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Title:
2-PYRAZOLIN-5-ONES_AS TYROSINE KINASE INHIBITORS
Document Type and Number:
WIPO Patent Application WO/2001/009121
Kind Code:
A2
Abstract:
Chemical compounds having structural formula (I) and physiologically acceptable salts thereof, are inhibitors of serine/threonine and tyrosine kinase activity. Several of the tyrosine kinases, whose activity is inhibited by these chemical compounds, are involved in angiogenic processes. Thus, these chemical compounds can ameliorate disease states where angiogenesis or endothelial cell hyperproliferation is a factor. These compounds can be used to treat cancer and hyperproliferative disorders.

Inventors:
Moset, Marina M. (Profesor Waksman, No 8 8D, Madrid, E-28036, ES)
Berlanga, Jose Maria Castellano (Avda. de Burgos, 20-22 8°B, Madrid, E-28036, ES)
Fernandez, Isabel F. (c/ Arte, 24 4°A, o Madrid, E-2803, ES)
Calderwood, David J. (4 McCarthy Circle, Framingham, MA, 01702, US)
Rafferty, Paul (722 Charlestown Drive, Westborough, Massachusetts, 01581, US)
Arnold, Lee (216 Ruggles Street, Westborough, MA, 01581, US)
Application Number:
PCT/US2000/020628
Publication Date:
February 08, 2001
Filing Date:
July 28, 2000
Export Citation:
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Assignee:
BASF AKTIENGESELLSCHAFT (Ludwigshafen, D-67056, DE)
Moset, Marina M. (Profesor Waksman, No 8 8D, Madrid, E-28036, ES)
Berlanga, Jose Maria Castellano (Avda. de Burgos, 20-22 8°B, Madrid, E-28036, ES)
Fernandez, Isabel F. (c/ Arte, 24 4°A, o Madrid, E-2803, ES)
Calderwood, David J. (4 McCarthy Circle, Framingham, MA, 01702, US)
Rafferty, Paul (722 Charlestown Drive, Westborough, Massachusetts, 01581, US)
Arnold, Lee (216 Ruggles Street, Westborough, MA, 01581, US)
International Classes:
A61K31/4152; A61K31/4155; A61K31/4178; A61K31/422; A61K31/428; A61K31/437; A61K31/4439; A61K31/4709; A61K31/497; A61K31/501; A61K31/506; A61K31/5377; A61P1/00; A61P1/04; A61P1/14; A61P1/16; A61P3/10; A61P3/12; A61P5/14; A61P5/16; A61P7/00; A61P7/10; A61P9/10; A61P9/14; A61P11/00; A61P15/00; A61P17/02; A61P17/06; A61P19/02; A61P27/02; A61P27/06; A61P29/00; A61P31/04; A61P35/00; A61P35/02; A61P37/08; A61P43/00; C07D231/20; C07D401/06; C07D401/14; C07D403/06; C07D403/14; C07D405/14; C07D409/06; C07D409/14; C07D413/14; C07D417/14; C07D471/04; (IPC1-7): C07D403/00
Foreign References:
US4369310A1983-01-18
EP0460616A11991-12-11
EP0211363A21987-02-25
Other References:
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; IMAI, NAOHIRO ET AL: "Diisopropylbenzylidene-substituted heterocycles" retrieved from STN Database accession no. 106:213918 XP002158250 & JP 62 029570 A (KANEGAFUCHI CHEMICAL INDUSTRY CO., LTD., JAPAN) 7 February 1987 (1987-02-07)
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; JAIN, S. M. ET AL: "Synthesis and antiinflammatory activity of some glycosidated 4-benzylidene-3-methylpyrazolin-5-(4H)-one s" retrieved from STN Database accession no. 111:39711 XP002158249 & INDIAN J. CHEM., SECT. B (1988), 27B(11), 1019-23 ,
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; MACH-PHUOC-SINH ET AL: "Analgesic and antiinflammatory compounds in the 1-phenyl-5- pyrazolone series" retrieved from STN Database accession no. 69:25832 XP002158251 & CHIM. THER. (1968), 3(1), 17-33 ,
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; BARNIKOW, GUENTER ET AL: "Thionocarboxylic acid esters. II. Reactions of monothionomalonic acid esters with amino compounds" retrieved from STN Database accession no. 67:21866 XP002158252 & CHEM. BER. (1967), 100(5), 1661-6 ,
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; SELIM, MAGHRABY ALI ET AL: "Activated nitriles in heterocyclic synthesis: synthesis of pyrano[2,3-cÜpyrazole derivatives" retrieved from STN Database accession no. 123:228052 XP002158253 & ORIENT. J. CHEM. (1994), 10(3), 199-204 ,
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; ABDELRAZEK, FATHY MOHAMED ET AL: "Substituted acrylonitriles in heterocyclic synthesis. The reaction of.alpha.-substituted.beta.-(2-furyl)acryl onitriles with some active methylene heterocycles" retrieved from STN Database accession no. 104:68786 XP002158262 & SYNTHESIS (1985), (4), 432-4 ,
DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; SCHMIDT, DIANE GROB ET AL: "Substituted.gamma.-butyrolactones. Part 32. Ring construction using 3-(arylmethylene)-2,4(3H,5H)-furandione: synthesis of pyrazolones and furo[3,4-cÜ[1,5Übenzothiazepinones" retrieved from STN Database accession no. 99:194936 XP002158263 & J. ORG. CHEM. (1983), 48(23), 4367-70 ,
Attorney, Agent or Firm:
Deconti, Giulio A. (Lahive & Cockfield, LLP 28 State Stree, Boston MA, 02109, US)
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Claims:
CLAIMS What is claimed is:
1. A method of inhibiting one or more protein kinase activity comprising the administration of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; W is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is (CH2) n,(CH2)nNH, (CH2)nO, (CH2)nS, (CH2)nS(O) or HCH2) nS (O) 2; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'CO, R'OC (O),NR4R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), R'OC (O), trihalomethyl, nitro, aryl,CN,C (O) NR'R' and NR4Rs ; R3 for each occurrence is independently selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'and R'for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R'and R'together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1, 4diazepin 1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3.
2. The method of claim 1 wherein the inhibition of said protein kinase is in a recipient in need thereof.
3. The method of Claim 2 wherein the compound is a mixture of stereoisomers.
4. The method of Claim 3 wherein the stereoisomers are enantiomers.
5. The method of Claim 3 wherein the stereoisomers are E and Z isomers.
6. The method of Claim 2 wherein the compound is a mixture of structural isomers.
7. The method of Claim 6 wherein the structural isomers are tautomers.
8. The method of Claim 2 wherein said protein kinase is either a receptor tyrosine kinase or a nonreceptor tyrosine kinase.
9. The method of Claim 8 wherein said tyrosine kinase is selected from the group consisting of KDR, Flt1, TIE2, FGFR, PDGFR, IGF1R, cMet, Lck, Src, fyn, Lyn, Blk, and yes.
10. A method of treating or essentially inhibiting hyperproliferative disorders or inflammatory diseases in a recipient in need thereof comprising the administration to said recipient of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein : R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is (CH2)nO,(CH2)nS,(CH2)nS(O) (CH2)nNH, or(CH2) nS (O) 2; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R3CO, WOC (O),NR'R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), R'OC (O), trihalomethyl, nitro, aryl,CN,C (O) NR4R5 and R3 is selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R4 and R5 for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R'and W together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1,4diazepin 1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3.
11. A method of treating or inhibiting angiogenesis in a recipient in need thereof comprising the administration to said recipient of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is (CH2)nO,(CH2)nS,(CH2)nS(O)or (CH2)nNH, (CH2)(O), ; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'CO, R30C (O),NR4R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), R'OC (O), trihalomethyl, nitro, aryl,CN,C (O) NR'R' and R3 for each occurrence is each, independently is selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R4 and W for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R'and W together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1,4diazepin 1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3.
12. A method of inducing an antiangiogenic effect in a recipient in need thereof comprising the administration to said recipient of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is QCH2) n,(CH2) nNH,(CH2) nO,(CH2) nS,(CH2) nS (O)or (CH2)nS(O)2; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'CO, R'OC (O),NR4R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R3O, HO, HOC (O), R'OC (O), trihalomethyl, nitro, aryl,CN,C (O) NR4Rs and R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'and R'for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R'and W together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1,4diazepin 1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3.
13. A method of treating or inhibiting the progression of a disease or condition in a recipient in need thereof comprising the administration to said recipient of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is (CH2)nO,(CH2)nS,(CH2)nS(O)or (CH2)nNH, (CH,), S (0), ; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R3CO, WOC (O),NR4R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), R'OC (O), trihalomethyl, nitro, aryl,CN,C (O) NR4R5 and R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted : lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R4 and R5 for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R4 and R5 together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1,4diazepin 1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3 where said disease or condition is selected from the group consisting of cancer, arthritis, atherosclerosis, restenosis, psoriasis, hemangioma, myocardial angiogenesis, coronary and cerebral collaterals, ischemic limb angiogenesis, comeal disease, rubeosis, neovascular glaucoma, macular degeneration, wound healing, peptic ulcer, Helicobacter related diseases, virally induced angiogenic disorders, fractures, diabetic retinopathy, Crohn's disease, inflammatory bowel disorder, cat scratch fever, retinopathy or prematurity, ulcers, thyroid hyperplasia, burns, trauma, acute lung injury, chronic lung disease, stroke, polyps, cysts, synovitis, chronic and allergic inflammation, ovarian hyperstimulation syndrome, pulmonary and cerebral edema, keloid, fibrosis, cirrhosis, carpal tunnel syndrome, sepsis, adult respiratory distress syndrome, multipleorgan dysfunction syndrome, ascites and tumorassociated effusions and edema.
14. A method of affecting vascular hyperpermeability or the production of edema in a recipient in need thereof comprising the administration to said recipient of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof, wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R'is hydrogen orAZ; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3 C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3 C6) cycloalkylalkyl group, and a heterocyclylalkyl group; A is (CH2) (CH,), NH, (CHO, (CHS, (CH,), S (0) or (CH2)nS(O)2; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R3CO, R30C (O),NR4R5,C (O) NR4R5, R30, or a ring system selected from the group consisting of a (C3C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), R30C (O), trihalomethyl, nitro, aryl,CN,C (O) NR4R5 and NR4R5; for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; R4 and R5 for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; optionally, R4 and R5 together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1, 4diazepin1yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3.
15. The method of Claim 14, where the affect on the production of edema is antiedematous.
16. The method of Claim 2, wherein said protein kinase is a serine kinase.
17. The method of Claim 2, wherein said protein kinase is a threonine kinase.
18. A compound represented by the following structural formula: and physiologically acceptable salts thereof, wherein: R is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3triazole, 1,2,4triazole, benzimidazole, 4,5,6,7tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrrole, pyrazole, oxazole and thiazole; R'is hydrogen orAZ; A is (CH,),, n, (CH2)nNH, (CH2)nO, (CH2)nS, (CH2)nS(O) or (CH2)ns (o) 2; Z isH, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R30C (O),NR4R5,C (O) NR4R5, R3CO, R30, or a ring system selected from the group consisting of a C3C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene, pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the Noxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30, HO, HOC (O), WOC (O), trihalomethyl, nitro, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group, a heterocyclylalkyl group,CN,C (O) NR4R5 orNR4Rs; R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, aromatic group, (C3C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3C6) cycloalkylalkyl group, and heterocyclylalkyl group; R'and R'for each occurrence are each, independently, hydrogen, or are selected from the group consisting of substituted or unsubstituted: lower alkyl group, aromatic group, (C3C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3C6) cycloalkylalkyl group, and heterocyclylalkyl group; optionally, R'and R'together with the nitrogen atom to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol1yl, piperazino, thiamorpholino, azepino or perhydro1, 4diazepin1yl groups each optionally substituted by one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3C6) cycloalkylalkyl group and a heterocyclylalkyl group; and n is an integer from 0 to 3; provided that when R is an unsubstituted indol3yl then R1 is not NH2.
19. The compound of Claim 18 wherein: A isNH,O,S,S (O)orS (O) 2; and Z is cyclopropyl, 3pyridyl or pyrazinyl.
20. The compound of Claim 18 wherein: A isO; and Z is ethyl, npropyl or isopropyl.
21. The compound of Claim 18 wherein: A isCH2 ; and Z is phenyl, wherein said phenyl is optionally substituted with one or more moieties selected from the group consisting of halogens, trihalomethyl, hydroxy,NR4R5, nitro,CONR4R5, lower alkyl group, R30, C (O) OR4 andOC (O) R4.
22. The compound selected from the group consisting of : 3Cyclopropyl4t [(3, 5dimethyl4(4methy1piperazinylmethyl) pyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4[(3, 5dimethyl4(1pyrrolidinylmethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4[(4diethylaminomethyl3,5dimethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (3,5dimethyl4piperidinomethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (4diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropyl4 [ (3dimethylaminomethyl4,5tetramethylenepyrrol2 yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (3morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene] 2pyrazolin5one, 3Cyclopropyl4 [ (3diethylaminomethyl4,5tetramethylenepyrrol2 yl) methylene]2pyrazolin5one, 3Cyclopropyl4{[3(4methyl1piperazinylmethyl)4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4 [ (3pip eridinomethyl4, 5tetramethylenepyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (4dimethylamino4,5,6,7tetrahydroindol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (4diethylaminoethyl3,5dimethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 (3, 5dibromo4hydroxybenzylidene)2pyrazolin5one, 3Cyclopropyl4 [ (4oxo1,5,6,7tetrahydroindol2yl) methylene] 2pyrazolin5 one, <BR> <BR> 3Cyclopropyl4 [ (4dimethylaminomethyl5methylpyrrol2yl) methylene] 2<BR> <BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3cyclopropyl2pyrazolin5one, 3Cyclopropyl4[ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [4 (2dimethylaminoethoxycarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [4 (2dimethylaminoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (3ethoxycarbonylindol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [3 (2dimethylaminoethoxycarbonylindol2yl) methylene]2pyrazolin 5one, 3Cyclopropyl4 [3 (2dimethylaminoethylaminocarbonylindol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin5 one, 3Cyclopropyl4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2pyrazolin5 one, 3Cyclopropyl4 [3 (4morpholinoethylaminocarbonylindol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (3, 4Diethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3cyclopropyl2pyrazolin5one, 3Cyclopropyl4 [ (5ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2 yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (5chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2 yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 4 { [ (3, 5Dimethyl4 [ (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3 (3 pyridyl)2pyrazolin5one, 4[(3, 5Dimethyl4[(1pyrrolidinylmethylpyrrol2yl) methylene]3(3pyridyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (3pyridyl)2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5 one, 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (3pyridyl)2<BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4{[3(4Methyl1piperazinylmethyl)4,5tetramethylenepyrrol2yl]methylene}3(3 pyridyl)2pyrazolin5one, 3(3Pyridyl)4{[3(1pyrrolidinyl) methyl4,5tetramethylenepyrrol2yl] methylene}2 pyrazolin5one, 4 [ (3Piperidinomethyl4,5tetramethylenepyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (4Diethylaminoethyl3, 5dimethylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (3pyridyl)2pyrazolin5one, <BR> <BR> 4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]3 (3pyridyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3 (3pyridyl2pyrazolin5one, 3 (3Pyridyl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3 (3pyridyl)2pyrazolin5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, <BR> <BR> 4 [4 (4Morpholinoethoxycarbonylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5 one, 4 [4 (4Morpholinoethylaminocarbonylpyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [3 (4Morpholinoethoxycarbonylindol2yl) methylene]3 (3pyridyl)2pyrazolin5 one, 4 [3 (4Morpholinoethylaminocarbonylindol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 4 [ (3,4Diethoxycarbonylpyrrol2yl) methylene] 3 (3pyridyl) 2pyrazolin5one, 4 {[3(2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3(3pyridyl)2 pyrazolin5one, 4{[3(2Amino2carboxyethyl)indol2yl]methylene}3(3pyridyl)2pyrazolin5one, 4[ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one, <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene] 3 (3pyridyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3isopropoxy2pyrazolin 5one, 4 [ (3, 5Dimethyl4 [ (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3 isopropoxy2pyrazolin5one, 4 [ (3, 5Dimethyl4 [ (1pyrrolidinylmethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3isopropoxy2pyrazolin 5one, 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4[ (3Dimethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 3Isopropoxy4 [ (3morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene] 2 pyrazolin5one, 4 [ (3Diethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 3Isopropoxy4 {[3(4methyl1piperazinyl)methyl4,5tetramethylenepyrrol2 yl]methylene}2pyrazolin5one, 3Isopropoxy4 {[3(1pyrrolidinyl) methyl4,5tetramethylenepyrrol2yl] methylene}2 pyrazolin5one, 3Isopropoxy 4 [ (3piperidinomethyl4,5tetramethylenepyrrol2yl) methylene] 2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3isopropoxy2, pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, <BR> <BR> 4 (3,5Dibromo4hydroxybenzylidene)3isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Isopropoxy4 [ (4oxo1,5,6,7tetrahydroindol2yl) methylene] 2pyrazolin5one, 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3isopropoxy2pyrazolin5one, <BR> <BR> 4 [ (4Chloropyrrol2yl) methylene]3isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3isopropoxy2pyrazolin5one, 3Isopropoxy4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3isopropoxy2pyrazolin 5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3isopropoxy2pyrazolin5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3isopropoxy2pyrazolin 5one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3isopropoxy2 pyrazolin5one, 3Isopropoxy4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin5 one, 3Isopropoxy4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Isopropoxy4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2pyrazolin5 one, 3Isopropoxy4 [3 (4morpholinoethylaminocarbonylindol2yl) methylene]2pyrazolin 5one, 4 [ (3,4Diethoxycarbonylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, <BR> <BR> 41 [3 (2Amino2carboxyethyl) indol2yl] methylenel3isopropoxy2pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 isopropoxy2pyrazolin5one, 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 isopropoxy2pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl) methylene]3ethoxy2pyrazolin5 one, 4 [ (3,5Dimethyl4 { [ (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3ethoxy 2pyrazolin5one, 4[(3, 5Dimethyl4[(1pyrrolidinylmethylpyrrol2yl)[(3, 5Dimethyl4[(1pyrrolidinylmethylpyrrol2yl) methylene]3ethoxy2pyrazolin 5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3ethoxy2pyrazolin5 one, 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3ethoxy2pyrazolin5 one, <BR> <BR> 4 [ (4Diethanolaminomethyl3, 5dimethylpyrrol2yl) methylene]3ethoxy2pyrazolin 5one, 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3ethoxy2 pyrazolin5one, 3Ethoxy4[(3morpholinomethyl4,5tetramethylenepyrrol2yl)methylene]2 pyrazolin5one, 4 [ (3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3ethoxy2 pyrazolin5one, 3Ethoxy4 { [3 (4methyl1piperazinyl)methyl4,5tetramethylenepyrrol2 yl]methylene}2pyrazolin5one, 3Ethoxy4 [3(1pyrrolidinyl) methyl4,5tetramethylenepyrrol2yl] methylene}2 pyrazolin5one, 3Ethoxy4 [ (3piperidinomethyl4,5tetramethylenepyrrol2yl)methylene] 2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3ethoxy2pyrazolin5 one, <BR> <BR> 4 [ (4Diethylaminoethyl3, 5dimethylpyrrol2yl) methylene]3ethoxy2pyrazolin5 one, 4(3,5Dibromo4hydroxybenzylidene)3ethoxy2pyrazolin5one, 4 [ (3,5Dimethyl4dimethylaminomethylpyrrol2yl)methylene]3ethoxy2pyrazolin 5one, <BR> <BR> 3Ethoxy4 [ (4oxo1,5,6,7tetrahydroindol2yl) methylene] 2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3ethoxy2pyrazolin<BR> <BR> <BR> <BR> <BR> 5one,<BR> <BR> <BR> <BR> <BR> 3Ethoxy4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3ethoxy2pyrazolin 5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3ethoxy2 pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3ethoxy2pyrazolin5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3ethoxy2pyrazolin5 one, <BR> <BR> 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3ethoxy2pyrazolin<BR> <BR> <BR> <BR> <BR> 5one, 3Ethoxy4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 3Ethoxy4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2pyrazolin5 one, 3Ethoxy4[3(4morpholinoethoxycarbonylindol2yl)methylene]2pyrazolin5one, 3Ethoxy4 [ (5methoxyindol2yl) methylene] 2pyrazolin5one, 4 {[3,5Dimethyl4(2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}3ethoxy 2pyrazolin5one, 3Ethoxy4 [ (indol3yl) methylene]2pyrazolin5one, 4 { [3(2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3ethoxy2 pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3ethoxy2pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 ethoxy2pyrazolin5one, 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl)methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3Morpholinomethyl4,5tetramethylenepyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 { [3 (4Methyl1piperazinylmethyl)4, 5tetramethylenepyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 3Pyrazinyl4 {[3(1pyrrolidinyl) methyl4,5tetramethylenepyrrol2yl] methylene}2 pyrazolin5one, 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3pyrazinyl2pyrazolin 5one, <BR> <BR> 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5 one, 4 (3, 5Dibromo4hydroxybenzylidene)3pyrazinyl2pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, <BR> <BR> 4 [ (4Chloropyrrol2yl) methylene]3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 3Pyrazinyl4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin 5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3pyrazinyl2pyrazolin5 one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [4 (4Morpholinoethoxycarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5 one, 4 [4 (4Morpholinoethylaminocarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin 5one, 4 [3 (4Morpholinoethoxycarbonylindol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [3 (4Morpholinoethylaminocarbonylindol2yl) methylene]3pyrazinyl2pyrazolin5 one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5 one, 4 {[3, 5Dimethyl4(2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 pyrazinyl2pyrazolin5one, 4[(Indol3yl) methylene]3pyrazinyl2pyrazolin5one, 4 [ (1Methylindol3yl) methylene]3pyrazinyl2pyrazolin5one, 3Pyrazinyl4[(pyrrol2yl)methylene]2pyrazolin5one, <BR> <BR> 4[(Indol2yl) methylene]3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (3,4Diethoxycarbonylpyrrol2yl) methylene] 3pyrazinyl2pyrazolin5one, 4{[3(2Acetamido2methoxycarbonylethyl)indol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4{[3(2Amino2carboxyethyl){[3(2Amino2carboxyethyl) indol2yl] methylene}3pyrazinyl2pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene] 3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 [ (4Bromopyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Chloropyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (Imidazol2yl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 3 (Imidazol2yl)4 [ (4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 (imidazol2yl)2 pyrazolin5one, <BR> <BR> 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 (imidazol2yl)2 pyrazolin5one, <BR> <BR> 4 [ (3Ethoxycarbonylindol2yl) methylene]3 (imidazol2yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (imidazol2yl)2 pyrazolin5one, <BR> <BR> 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (imidazol2yl)2 pyrazolin5one, 3 (Imidazol2yl)4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin 5one, 3 (Imidazol2yl)4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3 (Imidazol2yl)4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2pyrazolin 5one, 3 (Imidazol2yl)4 [3 (4morpholinoethylaminocarbonylindol2yl) methylene]2 pyrazolin5one, 4[(3,5Dimethyl4ethylpyrrol2yl)metylene]3(imidazol2yl)2pyrazolin5one, 3(Imidazol2yl)4[(1methylindol3yl)methylene]2pyrzolin5one, 4 [3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (imidazol2yl)2 pyrazolin5one, 3 (Imidazol2yl)4 [ (5methoxyindol2yl) methylene] 2pyrazolin5one, 3 (Imidazol2yl)4 [ (4,5tetramethylenepyrrol2yl)methylene]2pyrazolin5one, 4 { [3, 5Dimethyl4 (2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}3 (imidazol2yl)2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one, 3 (Imidazol2yl)4 [ (indol3yl) methylene]2pyrazolin5one, 3(Imidazol2yl)4[(pyrrol2yl) methylene]2pyrazolin5one, 3(Imidazol2yl)4[(indol2yl)methylene]2pyrazolin5one, <BR> <BR> 4 [ (3,4Diethoxycarbonylpyrrol2yl) methylene]3 (imidazol2yl)) 2pyrazolin5one, 4 { [3(2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3 (imidazol2yl) 2pyrazolin5one, <BR> <BR> 4 {[3(2Amino2carboxyethyl) indol2yl] methylene}3(imidazol2yl)2pyrazolin5 one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one, 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (imidazol2yl)2pyrazolin5one, <BR> <BR> 4 [ (4Bromopyrrol2yl) methylene]3 (lmethylcyclopropyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (4Chloropyrrol2yl) methylene]3 (lmethylcyclopropyl)2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3 (lmethylcyclopropyl)2pyrazolin5one, 3 (1Methylcyclopropyl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin 5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 (lmethylcyclopropyl)2pyrazolin 5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 ( 1 <BR> <BR> methylcyclopropyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 (l<BR> <BR> <BR> <BR> <BR> methylcyclopropyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (3Ethoxycarbonylindol2yl) methylene]3 (lmethylcyclopropyl)2pyrazolin5 one, <BR> <BR> 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (l<BR> <BR> <BR> <BR> methylcyclopropyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (1 methylcyclopropyl)2pyrazolin5one, 3 (lMethylcyclopropyl)4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene] 2pyrazolin5one, 3 (lMethylcyclopropyl)4 [4 (4morpholinoethylaminocarbonylpyrrol2 yl) methylene]2pyrazolin5one, 3 (1Methylcyclopropyl)4 [3 (4morpholinoethoxycarbonylindol2yl) methylene] 2pyrazolin5one, 3 (1Methylcyclopropyl)4 [3 (4morpholinoethylaminocarbonylindol2 yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethyl4ethylpyrrol2yl)methylene]3 (1methylcyclopropyl)2 pyrazolin5one, 3 (1Methylcyclopropyl)4 [ (1methylindol3yl) methylene]2pyrazolin5one, 4 [3,5Dimethyl4ethoxycarbonylpyrrol2yl)methylene]3 (1methylcyclopropyl)2 pyrazolin5one, 4 [ (5Methoxyindol2yl) methylene]3 (1methylcyclopropyl)2pyrazolin5one, <BR> <BR> 3 (1Methylcyclopropyl)4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5 one, 4 { [3,5Dimethyl4 (2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}3 (l methylcyclopropyl)2pyrazolin5one, 4 { [3,5Dimethyl4(2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 (l methylcyclopropyl)2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (1methylcyclopropyl)2pyrazolin5one, 4[(Pyrrol2yl)methylene]3(1methylcyclopropyl)2pyrazolin5one, 4[(Indol2yl)methylene]3(1methylcyclopropyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 4Diethoxycarbonylpyrrol2yl) methylene]3 (lmethylcyclopropyl)) 2pyrazolin 5one, 4 {[3(2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3(1 methylcyclopropyl)2pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3(1methylcyclopropyl)2 pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (1methylcyclopropyl)2pyrazolin5one, 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (1 methylcyclopropyl)2pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl)methylene]3(2furyl)2pyrazolin5 one, 4 { [3,5Dimethyl4 (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3 (2furyl) 2pyrazolin5one, 4 { [3,5Dimethyl4 (lpyrrolidinylmethyl) pyrrol2yl] methylene}3 (2furyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2furyl)2pyrazolin 5one, <BR> <BR> 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (2furyl)2pyrazolin5 one, 4 [ (4Diethanolaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2furyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (2furyl)2<BR> <BR> <BR> <BR> pyrazolin5one, 3 (2Furyl)4 [ (3morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]2 pyrazolin5one, 4 [ (3Diethylaminoethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2furyl)2 pyrazolin5one, 3 (2Furyl)4 { [3 (4methyl1piperazinylmethyl)4, 5tetramethylenepyrrol2 yl]methylene}2pyrazolin5one, 3 (2Furyl)4 f [3 (1pyrrolidinyl) methyl4,5tetramethylenepyrrol2yl] methylene}2 pyrazolin5one, 3 (2Furyl)4 [ (3piperidinomethyl4,5tetramethylenepyrrol2yl) methylene]2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (2furyl)2pyrazolin 5one, <BR> <BR> 4 [ (4Diethylaminoethyl3, 5dimetliylpyrrol2yl) methylene]3 (2furyl)2pyrazolin5 one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (2furyl)2pyrazolin5one, 3 (2Furyl)4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (2Furyl)4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene] 2 pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3 (2furyl)2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3 (2furyl)2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3 (2furyl)2pyrazolin5one, 3 (2Furyl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 (2furyl)2pyrazolin5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 (2furyl)2pyrazolin5 one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 (2furyl)2 pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3 (2furyl)2pyrazolin5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (2furyl)2pyrazolin5 one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (2furyl)2 pyrazolin5one, 3 (2Furyl)4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin5 one, 3 (2Furyl)4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2pyrazolin 5one, 3 (2Furyl)4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2pyrazolin5one, 3 (2Furyl)4 [3 (4morpholinoethylaminocarbonylindol2yl) methylene]2pyrazolin5 one, 4 [ (3,5Dimethyl4ethylpyrrol2yl) methylene]3(2furyl)2pyrazolin5one, 3 (2Furyl)4 [ (1methylindol3yl) methylene]2pyrazolin5one, <BR> <BR> 4 [3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (2furyl)2pyrazolin5one, 3 (2Furyl)4 [ (5methoxyindol2yl) methylene]2pyrazolin5one, 3 (2Furyl)4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}3 (2 furyl)2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 (2 furyl)2pyrazolin5one, 3 (2Furyl)4 [ (indol3yl) methylene]2pyrazolin5one, 3 (2Furyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3(2Furyl)4[(indol2yl) methylene]2pyrazolin5one, 4 [ (3,4Diethoxycarbonylpyrrol2yl)methylene]3 (3 (2furyl))2pyrazolin5one, 4 { [3 (2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3 (2furyl)2 pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3 (2furyl)2pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 <BR> <BR> (2furyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (2<BR> <BR> <BR> <BR> <BR> furyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4 [ (morpholinomethylpyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4 (4methyl1piperazinyl) methylpyrrol2yl] methylene}3(2 thienyl)2pyrazo lin5one, 4 [ (3, 5Dimethyl4 (1pyrrolidinylmethylpyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl)methylene]3 (2thienyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5 one, 4 [ (4Diethanolaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Dimethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, 4 [ (3Diethylaminomethyl4,5tetramethylenepyrrol2yl)methylene]3 (2thienyl)2 pyrazolin5one, 4 { [3 (4Methyl1piperazinylmethyl)4, 5tetramethylenepyrrol2yl] methylene}3 (2 thienyl)2pyrazolin5one, 4 {[3(1Pyrrolidinylmethyl)4, 5tetramethylenepyrrol2yl] methylene}3 (2thienyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2thienyl)2<BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl)methylene]3 (2thienyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin 5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (2thienyl)2pyrazolin5one, <BR> <BR> 4 [ (4Oxo4,5,6,7tetrahydroindol2yl) methylene]3 (2 thienyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (2 thienyl)2<BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Bromopyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 3 (2Thienyl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin 5one, <BR> <BR> 4 [4 (2Dimethylaminoethylaininocarbonylpyrrol2yl) methylene]3 (2thienyl)2<BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene]3 (2thienyl)2pyrazolin5one, <BR> <BR> 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (2thienyl)2pyrazolin 5one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (2thienyl)2 pyrazolin5one, 4 [4 (4Morpholinoethoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5 one, 4 [4 (4Morpholinoethylaminocarbonylpyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, <BR> <BR> 4 [3 (4Morpholinoethoxycarbonylindol2yl) methylene]3 (2thienyl)2pyrazolin5 one, 4 [3 (4Morpholinoethylaminocarbonylindol2yl) methylene]3 (2thienyl)2pyrazolin 5one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [ (1Methylindol3yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5 one, 4 [ (5Methoxyindol2yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [ (4,5Tetramethylenepyrrol2yl)methylene]3 (2thienyl)2pyrazolin5one, 4{[3,5Dimethyl4(2dimethylaminoethoxycarbonyl)pyrrol2yl]methylene}3(2 thienyl)2pyrazolin5one, 4{[3,5Dimethyl4(2dimethylaminoethylaminocarbonyl)pyrrol2yl]methylene}3(2 thienyl)2pyrazolin5one, <BR> <BR> 4 [ (Indol3yl) methylene]3 (2thienyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4[(Pyrrol2yl) methylene]3(2thienyl)2pyrazolin5one, 4 [ (Indol2yl) methylene]3 (2thienyl)2pyrazolin5one, 4 [ (3,4Diethoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 41 [3 (2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3 (2thienyl)2 pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3 (2thienyl)2pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (2<BR> <BR> <BR> <BR> <BR> <BR> thienyl)2pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3cyclopropoxy2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3cyclopropoxy2pyrazolin5one, <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3cyclopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropoxy4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [ (4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [4 (2dimethylaminoethoxycarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [4 (2dimethylaminoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [ (3ethoxycarbonylindol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [3 (2dimethylaminoethoxycarbonylindol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [3 (2dimethylaminoethylaminocarbonylindol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene]2pyrazolin 5one, 3Cyclopropoxy4 [4 (4morpholinoethylaminocarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2pyrazolin 5one, 3Cyclopropoxy4 [3 (4morpholinoethylaminocarbonylindol2yl) methylene]2 pyrazolin5one, 3Cyclopropoxy4 [ (3,5dimethyl4ethylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [ (lmethylindol3yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [3, 5dimethyl4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin 5one, 3Cyclopropoxy4 [ (5methoxyindol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [ (4,5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 { [3, 5dimethyl4 (2dimethylaminoethoxycarbonyl) pyrrol2 yl]methylene}2pyrazolin5one, 3Cyclopropoxy4 {[3, 5Dimethyl4(2dimethylaminoethylaminocarbonyl) pyrrol2 yl)methylene]2pyrazolin5one, 3Cyclopropoxy4 [ (indol3yl) methylene]2pyrazolin5one, 3Cyclopropoxy4 [(pyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropoxy4[(Indol2yl)methylene]2pyrazolin5one, 3Cyclopropoxy4 [ (3, 4diethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 4 { [3 (2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3cyclopropoxy2 pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3cyclopropoxy2pyrazolin5 one, <BR> <BR> 3Cyclopropoxy4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2 yl) methylene]2pyrazolin5one, <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3<BR> <BR> <BR> <BR> <BR> cyclopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (4Bromopyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one, <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 [2 (5pyrimidinylethyl)]4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5 one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5 one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene] 3 [2 (5pyrimidinylethyl)]2pyrazolin5 one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 [2 (5pyrimidinylethyl)] 2pyrazolin5one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, <BR> <BR> 4 [4 (4Morpholinoethoxycarbonylpyrrol2yl) methylene] 3 [2 (5pyrimidinylethyl)] 2pyrazolin5one, 4 [4 (4Morpholinoethylaminocarbonylpyrrol2yl) methylene] 3 [2 (5<BR> <BR> <BR> <BR> pyrimidinylethyl)]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [3 (4Morpholinoethoxycarbonylindol2yl) methylene] 3 [2 (5pyrimidinylethyl)]2<BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> 4 [3 (4Morpholinoethylaminocarbonylindol2yl) methylene] 3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene] 3 [2 (5pyrimidinylethyl)]2 pyrazolin5one, 4 [ (1Methylindol3yl) methylene] 3 [2 (5pyrimidinylethyl)]2pyrazolin5one, 4 [3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene] 3 [2 (5pyrimidinylethyl)]2 pyrazolin5one, <BR> <BR> 4 [ (5Methoxyindol2yl) methylene] 3 [2 (5pyrimidinylethyl)]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 [2 (5pyrimidinylethyl)]4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5 one, 4 {[3, 5Dimethyl4(2dimethylaminoethoxyvarbonyl) pyrrol2yl] methylene}3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, 4 { [3, 5Dimethyl4 (2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one, 4 [ (Indol3yl) methylene] 3 [2 (5pyrimidinylethyl)]2pyrazolin5one, 3 [2 (5pyrimidinylethyl)]4 [ (pyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 4 [ (Indol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (3, 4Diethoxycarbonylpyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin 5one, 4f [3 (2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3 [2 (5 pyrimidinylethyl)]2pyrazolin5one, 4{[3(2Amino2carboxyethyl)indol2yl]methylene}3[2(5pyrimidinylethyl)]2 pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one, 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 [2 (5pyrimidinylethyl)]2pyrazolin5one, <BR> <BR> 4 [ (4Bromopyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Chloropyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (5Chloropyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one, 3 (2phenylethyl)4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one, 4[4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl)2 pyrazolin5one, <BR> <BR> 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 (2phenylethyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Ethoxycarbonylindol2yl) methylene] 3 (2phenylethyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 (2phenylethyl)2 pyrazolin5one, <BR> <BR> 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 (2phenylethyl)2 pyrazolin5one, 4 [4 (4Morpholinoethoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl) 2 pyrazolin5one, 4 [4 (4Morpholinoethylaminocarbonylpyrrol2yl) methylene]3 (2phenylethyl)2 pyrazolin5one, <BR> <BR> 4 [3 (4Morpholinoethoxycarbonylindol2yl) methylene]3 (2phenylethyl)2pyrazolin 5one, <BR> <BR> 4 [3 (4Morpholinoethylaminocarbonylindol2yl) methylene]3 (2phenylethyl)2<BR> <BR> <BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (1Methylindol3yl) methylene] 3 (2phenylethyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin 5one, 4 [ (5Methoxyindol2yl) methylene] 3 (2phenylethyl)2pyrazolin5one 3 (2phenylethyl)4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 4 { [3, 5Dimethyl4(2dimethylainoethoxycarbonyl) pyrrol2yl] methylene}3 (2 phenylethyl)2pyrazolin5one, 4 { [3, 5Dimethyl4 (2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 (2 phenylethyl)2pyrazolin5one, <BR> <BR> 4[(Indol2yl) methylene]3(2phenylethyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (3, 4Diethoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one, 4{[3(2Acetaido2methoxycarbonylethyl)indol2yl]methylene}3(2phenylethyl) 2pyrazolin5one, 4 { [3 (2Amino2carboxyethyl) indol2yl] methylene}3 (2phenylethyl)2pyrazolin5 one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 (2phenylethyl)2pyrazolin5one, <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene] 3<BR> <BR> <BR> <BR> <BR> <BR> (2phenylethyl)2pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3 [2 (4hydroxyphenyl) ethyl]2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3 [2 (4hydroxyphenyl) ethyl]2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3 [2 (4hydroxyphenyl) ethyl]2pyrazolin5one, <BR> <BR> 3 [2 (4hydroxyphenyl) ethyl]4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin 5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3 [2 (4hydroxyphenyl) ethyl]2pyrazolin 5one, 4 [4 (2Dimethylaminoethoxycarbonylpyrrol2yl) methylene]3 [2 (4 hydroxyphenyl) ethyl]2pyrazolin5one, 4 [4 (2Dimethylaminoethylaminocarbonylpyrrol2yl) methylene]3 [2 (4 hydroxyphenyl) ethyl]2pyrazolin5one, 4 [ (3Ethoxycarbonylindol2yl) methylene] 3 [2 (4hydroxyphenyl) ethyl]2pyrazolin 5one, 4 [3 (2Dimethylaminoethoxycarbonylindol2yl) methylene]3 [2 (4 hydroxyphenyl) ethyl]2pyrazolin5one, 4 [3 (2Dimethylaminoethylaminocarbonylindol2yl) methylene]3 [2 (4 hydroxyphenyl) ethyl]2pyrazolin5one, 3 [2 (4hydroxyphenyl) ethyl]4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene] 2pyrazolin5one, 3 [2 (4hydroxyphenyl) ethyl]4 [4 (4morpholinoethylaminocarbonylpyrrol2 yl) methylene]2pyrazolin5one, <BR> <BR> 3 [2 (4hydroxyphenyl) ethyl]4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]<BR> <BR> <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> 3 [2 (4hydroxyphenyl) ethyl]4 [3 (4morpholinoethylaminocarbonylindol2 yl) methylene]2pyrazolin5one, 4 [3,5Dimethyl4ethoxycarbonylpyrrol2yl) methylene] 3 [2 (4hydroxyphenyl) ethyl] 2pyrazolin5one, <BR> <BR> 3 [2 (4hydroxyphenyl) ethyl]4 [ (5methoxyindol2yl) methylene] 2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 [2 (4hydroxyphenyl) ethyl]4 [ (4,5tetramethylenepyrrol2yl) methylene]2pyrazolin 5one, 4 {[3, 5Dimethyl4(2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}3 [2 (4 hydroxyphenyl) ethyl]2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene]3 [2 (4hydroxyphenyl) ethyl]2pyrazolin5one, 4 [ (3, 4Diethoxycarbonylpyrrol2yl) methylene] 3 [2 (4hydroxyphenyl) ethyl] 2 pyrazolin5one, 4 {[3(2Acetamido2methoxyzarbonylethyl) indol2yl] methylene}3[2(4 hydroxyphenyl) ethyl]2pyrazolin5one, 4f [3 (2Amino2carboxyethyl) indol2yl] methylene}3 [2 (4hydroxyphenyl) ethyl]2 pyrazolin5one, 4 [ (5Ethoxy4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene]3 <BR> <BR> [2 (4hydroxyphenyl) ethyl]2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (5Chloro4methoxycarbonylmethyl3methoxycarbonylpyrrol2yl) methylene] 3<BR> <BR> <BR> <BR> <BR> [2 (4hydroxyphenyl) ethyl]2pyrazolin5one,<BR> <BR> <BR> <BR> 3 [2 (4aminophenyl) ethyl]4 [ (4bromopyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> 3 [2 (4aminophenyl) ethyl]4 [ (4chloropyrrol2yl) methylene] 2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (5chloropyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3 [2 (4aminophenyl) ethyl]4 [ (5trifluoromethylpyrrol2yl) methylene]2pyrazolin5 one, 3 [2 (4aminophenyl) ethyl]4 [ (4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5 one, 3 [2 (4aminophenyl) ethyl]4 [4 (2dimethylaminoethoxycarbonylpyrrol2 yl) methylene] 2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [4 (2dimethylaminoethylaminocarbonylpyrrol2 yl) methylene] 2pyrazolin5one, <BR> <BR> 3 [2 (4aminophenyl) ethyl]4 [ (3ethoxycarbonylindol2yl) methylene]2pyrazolin5 one, 3 [2 (4aminophenyl) ethyl]4 [3 (2dimethylaminoethoxycarbonylindol2 yl) methylene] 2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [3 (2dimethylaminoethylaminocarbonylindol2yl) methyl ene]2pyrazolin5one, <BR> <BR> 3 [2 (4aminophenyl) ethyl] 4 [4 (4morpholinoethoxycarbonylpyrrol2yl) methylene] 2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [4 (4morpholinoethylaminocarbonylpyrrol2 yl) methylene]2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [3 (4morpholinoethoxycarbonylindol2yl) methylene]2 pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [3 (4morpholinoethylaminocarbonylindol2 yl)methylene] 2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (5methoxyindol2yl) methylene]2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5 one, 3 [2 (4aminophenyl) ethyl]4 { [3,5dimethyl4 (2dimethylaminoethoxycarbonyl) pyrrol2yl] methylene}2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 { [3,5dimethyl4 (2dimethylaminoethylamino carbonyl) pyrrol2yl] methylene}2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 [2 (4ammophenyl) ethyl]4 [ (lndol2yl) methylene]2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (3, 4diethoxycarbonylpyrrol2yl) methylene]2 pyrazolin5one, 4{[3(2Acetamido2methoxycarbonylethyl) indol2yl] methylene}3 [2 (4 aminophenyl) ethyl]2pyrazolin5one, 4 {[3(2Amino2carboxyethyl) indol2yl] methylene}3 [2(4aminophenyl) ethyl]2 pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (5ethoxy4methoxycarbonylmethyl3 methoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 3 [2 (4aminophenyl) ethyl]4 [ (5chloro4methoxycarbonylmethyl3 methoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4 { [ (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3 (4 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, 4 [ (4Diethanolaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (4 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (3Diethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (4pyrimidinyl) 2pyrazolin5one, 4{[3(4Methyl1piperazinyl) methyl4,5tetramethylenepyrrol2yl] methylene}3 (4 pyrimidinyl)2pyrazolin5one, 3(4Pyrimidinyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 4 [ (3Piperidinomethyl4,5tetramethylenepyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (4 pyrimidinyl) pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 (3, 5Dibromo4hydroxybenzylidene)3 (4pyrimidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (3,5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]3 (4pyrimidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (4pyrimidinyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4 { [ (4methyl1piperazinylmethyl) pyrrol2yl] methylene}3 (5 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (1pyrrolidinylmethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (3,5Dimethyl4diethylaminomethylpyrrol2yl) methylene]3 (5pyrimidinyl)2<BR> <BR> <BR> <BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3 (5pyrimidinyl)2<BR> <BR> <BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (5 pyrimidinyl)2pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (3Diethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3(5pynmidinyl) 2pyrazolin5one, 4 { [3 (4Methyl1piperazinyl) methyl4,5tetramethylenepyrrol2yl] methylene}3 (5 pyrimidinyl)2pyrazolin5one, 3(5Pyrimidinyl)4 { [3(1pyrrolidinyl)(5Pyrimidinyl)4 { [3(1pyrrolidinyl) methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (4Diethylaminoethyl3, 5dimethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (5pyrimidinyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 ( (4Oxo1,5,6,7tetrahydroindol2yl)methylene]3 (5pyrimidinyl)2pyrazolin5one, 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (2pyrimidinyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4 f [ (4methylIpiperazinylmethyl) pyrrol2yl] methylene}3(2 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (1pyrrolidinylmethylpyrrol2yl) methylene]3 (2pyrimidinyl) 2pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl)methylene]3 (2pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3 (2pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethanolaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2pyrimidinyl) 2pyrazolin5one, 4 [ (3Dimethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2 pyrimidinyl)2pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2 pyrimidinyl)2pyrazolin5one, 4[(3Diethylaminomethyl4,5tetramethylenepyrrol2yl)methylene]3(2 pyrimidinyl)2pyrazolin5one, 4 { [3 (4Methyl1piperazinyl) methyl4,5tetramethylenepyrrol2yl] methylene}3 (2pyrimidinyl)2pyrazolin5one, 3(2Pyrimidinyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (2pyrimidinyl) 2pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl)methylene]3 (2pyrimidinyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (2pyrimidinyl)2 pyrazolin5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (2pyrimidinyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (2pyrimidinyl) 2pyrazolin5one, 4 [ (4Oxo1,5,6,7tetrahydroindol2yl)methylene]3 (2pyrimidinyl)2pyrazolin5 one, 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (2pyrimidinyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4[(3,5Dimethyl4{[(4mehtyl1piperazinylmethyl)pyrrol2yl]methylene}3(3 <BR> <BR> pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4[(3, 5Dimethyl4(1pyrrolidinylmethylpyrrol2yl) methylene]3(3pyridazinyl)<BR> <BR> <BR> <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3 (3pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (3<BR> <BR> <BR> <BR> <BR> pyridazinyl)2pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (3 pyridazinyl)2pyrazolin5one, 4 [ (3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (3 pyridazinyl)2pyrazolin5one, 4 { (3 (4Methyl1piperazinyl) methyl4,5tetramethylenepyrrol2yl] methylene}3 (3pyridazinyl)2pyrazolin5one, 3(3Pyridazinyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, <BR> <BR> 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (3pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (3pyridazinyl)2pyrazolin5one, <BR> <BR> 4 [ (3,5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (3pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]3 (3pyridazinyl)2pyrazolin5 one, 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4f [ (4methyllpiperazinylmethyl) pyrrol2yl] methylene}3 (4 pyridazinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]3 (4pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (piperidinomethylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3 (4 pyridazinyl)2pyrazolin5one, 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (4 pyridazinyl)2pyrazolin5one, 4 [ (3Morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (4 pyridazinyl)2pyrazolin5one, 4[(3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3(4 pyridazinyl)2pyrazolin5one, 4 { [3 (4Methyl1piperazinyl)methyl4,5tetramethylenepyrrol2yl] methylene}3 (4pyridazinyl)2pyrazolin5one, 3(4Pyridazinyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 4 [ (3Piperidinomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (4pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 (3, 5Dibromo4hydroxybenzylidene)3 (4pyridazinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (4pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]3 (4pyridazinyl)2pyrazolin5 one, <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, <BR> <BR> 4 [ (3,5Dimethyl4 { [ (4methyllpiperazinylmethyl) pyrrol2yl] methylene}3 (5 isoxazolyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 [ (lpyrrolidinylmethylpyrrol2yl) methylene]3 (5isoxazolyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethanolaminomethyl3,5Dimethylpyrrol2yl) methylene]3 (5isoxazolyl) 2pyrazolin5one, 4 [ (3Dimethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (5 isoxazolyl)2pyrazolin5one, <BR> <BR> 3 (5Isoxazolyl)4 [ (3morpholinomethyl4, 5tetramethylenepyrrol2yl) methylene] 2pyrazolin5one, 4 [ (3Diethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (5 isoxazolyl)2pyrazolin5one, 3 (5Isoxazolyl) 4 {[3(4methyl1piperazinyl) methyl4,5tetramethylenepyrrol2 yl] methylene} 2pyrazolin5one, 3(5isoxazolyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 yl] methylene}2pyrazolin5one, 3 (5Isoxazolyl)4 [ (3piperidinomethyl4,5tetramethylenepyrrol2yl) methylene] 2pyrazolin5one, <BR> <BR> 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, <BR> <BR> 4 (3, 5Dibromo4hydroxybenzylidene)3 (5isoxazolyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Oxo1,5,6,7tetrahydroindol2yl) methylene]3 (5isoxazolyl)2pyrazolin5 one, <BR> <BR> 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (5isoxazolyl)2<BR> <BR> <BR> <BR> <BR> pyrazolin5one, 4 [ (3, 5Dimethyl4morpholinomethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 4 [ (3,5Dimethyl4 { [ (4methyl 1piperazinylmethyl) pyrrol2yl] methylene}3 (5 methyl3isoxazolyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 [ (Ipyrrolidinylmethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (5methyl3<BR> <BR> <BR> <BR> <BR> isoxazolyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (3,5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, <BR> <BR> 4 [ (4Diethanolaminomethyl3,5dimethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 4 [ (3Dimethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3 (5methyl 3isoxazolyl)2pyrazolin5one, 3 (5Methyl3isoxazolyl)4 [ (3morpholinomethyl4, 5tetramethylenepyrrol2 yl) methylene] 2pyrazolin5one, <BR> <BR> 4 [ (3Diethylaminomethyl4,5tetramethylenepyrrol2yl) methylene]3 (5methyl3<BR> <BR> <BR> <BR> <BR> <BR> isoxazolyl)2pyrazolin5one, 3 (5Methyl3isoxazolyl) 4 {[3(4methyl1piperazinyl) methyl4,5 tetramethylenepyrrol2yl] methylene} 2pyrazolin5one, 3(5Methyl3isoxazolyl)4{[3(1pyrrolidinyl)methyl4,5tetramethylenepyrrol2 <BR> <BR> yl] methylene}2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (5Methyl3isoxazolyl) 4 [ (3piperidinomethyl4,5tetramethylenepyrrol2<BR> <BR> <BR> <BR> <BR> <BR> yl) methylene]2pyrazolin5one, 4 [ (4Dimethylamino4,5,6,7tetrahydroindol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 4 [ (4Diethylaminoethyl3,5dimethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, <BR> <BR> 4 (3, 5Dibromo4hydroxybenzylidene)3 (5methyl3isoxazolyl)2pyrazolin5 one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 3 (5Methyl3isoxazolyl)4 [ (4oxo1,5,6,7tetrahydroindol2yl) methylene]2 pyrazolin5one, 4 [ (4Dimethylaminomethyl5methylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 3cyclopropyl4 (13 [ (dimethylamino)methyl]4,5,6,7tetrahydro1H2 indolylmethylidene)4,5dihydrolH5pyrazolone, 3cyclopropyl4 (14 [ (1, 1dimethylammonio) methyl]3,5dimethyl1H2 pyrrolylmethylidene)4,5dihydrolH5pyrazolone maleate, 4 [l (4 [ [2 (dimethylamino) ethyl] (methyl) amino] methyl3,5dimethyl1H2 pyrrolyl) methylidene]3(2pyrazinyl)4, 5dihydrolH5pyrazolone 4(14[2(diethylamino) ethyl]3, 5dimethyllH2pyrrolylmethylidene)3(2 pyrazinyl)4,5dihydrolH5pyrazolone, 41 [4 (3chloropropanoyl)3, 5dimethyllH2pyrrolyl] methylidene3 (2 pyrazinyl)4,5dihydro1H5pyrazolone, 4 (13 [ (dimethylamino)methyl]4,5,6,7tetrahydrolH2indolylmethylidene)3 (2 pyrazinyl)4,5dihydrolH5pyrazolone, 4(14[(dimethylamino)methyl]3,5dimethyl1H2pyrrolylmethylidene)3(5 methyl3isoxazolyl)4,5dihydro1H5pyrazolone, 3Cyclopropyl4 [ (4,5dimethylpyrrol2yl) methylene]2pyrazolin5one, 3Benzyl4[(pyrrol2yl)methylene]2pyrazolin5one, 3 (4Methoxyphenyloxymethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Phenyloxymethyl4[(pyrrol2yl)methylene]2pyrazolin5one, 3 (4Chlorophenyloxymethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (4Methoxybenzyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3Benzyl4 { [4 (2carboxyethyl)3methylpyrrol2yl] methylene}2pyrazolin5 one, <BR> <BR> 3Benzyl4 {[3(2carboxyethyl)4methylpyrrol2yl] methylene}2pyrazolin5 one, 3(4methylphenyloxymethyl)4[(pyrrol2yl)methylene]2pyrazolin5one, 2Amino4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3isopropoxy4[(pyrrol2yl)methylene]2pyrazolin5one, 3Phenylethyl4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Phenylamino4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3(4methylbenzyl)4[(pyrrol2yl)methylene]2pyrazolin5one, 3 (4Methylphenylamino)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3(4Methoxyphenylamino)4[(pyrrol2yl) methylene]2pyrazolin5one, 3 (4Chlorobenzyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (4Chlorophenylamino)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3(3Chlorophenyloxymethyl)4 [(pyrrol2yl) methylene]2pyrazolin5one, 3(Indol3yl)4[(pyrrol2yl)methylene]2pyrazolin5one, 3 (3Methoxybenzyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (3,4Dimethoxybenzyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3(4Methoxyphenylethyl)4[(pyrrol2yl)methylene]2pyrazolin5one, 3(4Phenylphenyloxymethyl)4[(pyrrol2yl)methylene]2pyrazolin5one, 3 (2Phenylpropyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (3Phenylpropyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (4Hydroxyphenylethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethylpyrrol2yl)methylene]3phenylethyl2pyrazolin5one, 3 (4Methylphenylethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, 3Ethoxy4[(pyrrol2yl)methylene]2pyrzolin5one, 3 (4Nitrophenylethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3(4Fluorophenylamino)4 [(pyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (4Chlorophenylethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 4 [ (4,5Dimethylpyrrol2yl)methylene]3isopropoxy2pyrazolin5one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, <BR> <BR> 4 [ (3,5Dimethyl4ethylpyrrol2yl) methylene]3phenylethyl2pyrazolin5one, 4 { [1 (4Hydroxybutyl) pyrrol2yl] methylene}3isopropoxy2pyrazolin5one, 3Cyclopentyloxy4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Tertbutylureido4[(pyrrol2yl)methylene]2pyrazolin5one, 3Isopropoxy4 [ (4methylpyrrol2yl) methylene]2pyrazolin5one, 3 (4Aminophenylethyl)4 [ (4methylpyrrol2yl) methylene]2pyrazolin5one, 3Isopropoxy4 [ (1methylpyrrol2yl) methylene]2pyrazolin5one, 3Isopropoxy4 [ (5methylpyrrol2yl) methylene]2pyrazolin5one, 3 (4Aminophenylethyl)4 [ (3, 5dimethyl4ethylpyrrol2yl) methylene]2 pyrazolin5one, 3Ethoxy4 [ (5methylpyrrol2yl) methylene] 2pyrazolin5one, 3 (4Carbamoylphenylethyl)4 [ (3,5dimethyl4ethylpyrrol2yl)methylene]2 pyrazolin5one, <BR> <BR> 4 [ (3,5Dimethyl4ethylpyrrol2yl) methylene]3 (4methoxycarbonylphenylethyl<BR> <BR> <BR> <BR> <BR> <BR> 2pyrazolin5one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 3 (4Aminophenylethyl)4 [ (3, 5dimethyl4ethoxycarbonylpyrrol2yl) methylene] 2pyrazolin5one, 4 [ (5Ethylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, 4 [ (3,5Dimethyl4ethylpyrrol2yl) methylene]3 (4hydroxyphenylethyl)2 pyrazolin5one, 3 (Ethoxycarbonylmethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3 (4Methoxyphenylaminocarbonylmethyl)4 [ (pyrrol2yl) methylene]2pyrazolin 5one, <BR> <BR> 4f (3 (2Carboxyethyl)4methylpyrrol2yl] methylene}3isopropyl2pyrazolin5 one, 3Cyclopropyl4[(pyrrol2yl) methylene]2ppyrazolin5one, 3Cyclobutyl4[(pyrrol2yl)[(pyrrol2yl) methylene]2pyrazolin5one, 3 (3Pyridil)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ [1 (3,5dichlorophenyl) pyrrol2yl) methylene]2pyrazolin5one, 4[(Pyrrol2yl) methylene]3(2,[(Pyrrol2yl) methylene]3(2, 2,3,3tetramethylcyclopropyl)2pyrazolin5one, 3Cyclopropyl4 [ (3,5dimethylpyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3Cyclopentyl4[(pyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (2Methylcyclopropyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 4(Benzothiazol2yl)4[(pyrrol2yl)methylene]2pyrazolin5one, 4 [ (4,5Dimethylpyrrol2yl) methylene]4 (3pyridyl)]2pyrazolin5one, 3Cyclopropyl4 [ (3, 5dimethyl4ethylpyrrol2yl) methylene]2pyrazolin5one, 3 (Pyrrol2yl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (4methylpyrrol2yl) methylene]2pyrazolin5one, 3 (Benzothiazol2yl)4 [ (4methylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethylpyrrol2yl)methylene]3 (3pyridyl)2pyrazolin5one, 4 [3,5Dimetyl4ethylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one, 3Cyclopropyl4 [ (5methylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (5Methylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin5one, 3Cyclopropyl4 [ (5ethylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (3,5dimethyl4ethoxycarbonylpyrrol2yl) methylene]2 pyrazolin5one, 3Isopropoxy4 [ (5phenylpyrrol2yl) methylene]2pyrazolin5one, 3Propyl4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Methyl4 [(pyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3(4Isopropylphenylamino)4[(pyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 3(3Phenylamino)4[(pyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4{[1hydroxybutyl)pyrrol2yl]methylene]2pyrazolin5one, 4 {[4(2Carboxyethyl)3methylpyrrol2yl] methylene}3isopropoxy2pyrazolin 5one, 4 [ (4Carboxy3,5dimethylpyrrol2yl)methylene]3isopropoxy2pyrazolin5one, 3Isopropoxy4 [ (4,5tetramethylenepyrrol2yl)methylene]2pyrazolin5one, 4 [ (3,5Dimethyl4morpholinomethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3isopropoxy2 pyrazolin5one, 4 [ (4Acetyl3, 5dimethylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimetylaminoethyloxycarbonyl) pyrrol2yl] methylene}3 isopropoxy2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimetylaminoethylaminocarbonyl) pyrrol2yl] methylene}3 <BR> <BR> isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (5Ethoxycarbonylpyrrol2yl) methylene]3isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (5Carboxypyrrol2yl) methylene]3isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3 (4Chlorophenylaminocarbonylmethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5 one, <BR> <BR> 3Cyclopropyl4 [ (5phenylpyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3 (tetrahydrofuran3yl)2<BR> <BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Carboxy3,5dimethylpyrrol2yl) methylene]3cyclopropyl2pyrazolin5 one, <BR> <BR> 4 [ (3, 5dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (3pyridyl)2pyrazolin 5one, 3Cyclopropyl4 [ (3,5dimethyl4morpholinomethylpyrrol2yl) methylene]2 pyrazolin5one, 4 [ (3, 4dimethylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 {[4(2Carboxyethyl)3methylpyrrol2yl] methylene}3cyclopropyl2pyrazolin 5one, 3Cyclopropyl4 [ (3, 5dimethyl4dimethylaminomethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (5ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (4,5tetramethylenepyrrol2yl)methylene]2pyrazolin5one, 3 (2Methoxycarbonylethyl)4 [ (pyrrol2yl) methylene]2pyrazolin5one, 3Ethoxycarbonyl4[(pyrrol2yl) methylene]2pyrazolin5one, 3Isopropyl4 [ (pyrrol2yl) methylene]2pyrazolin5one, <BR> <BR> 3(trans2phenylcyclopropyl)4[(pyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 3Cyclohexyl4[(pyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropylamino4 [ (4,5tetramethylenepyrrol2yl) methylene]2pyrazolin5 one, <BR> <BR> 3Cyclopropyl4 [ (5morpholinomethylpyrrol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (5Carboxypyrrol2yl) methylene]3cyclopropyl2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3ethoxy2pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3ethoxy2pyrazolin5one, 4 [ (5Chloropyrrol2yl) methylene]3ethoxy2pyrazolin5one, 4 [ (4Chloropyrrol2yl) methylene]3cyclopropyl2pyrazolin5one, 4 [ (4Bromopyrrol2yl) methylene]3cyclopropyl2pyrazolin5one, 3Pyrazinyl4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 3 (3Pyridyl)4 [ (4,5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Carboxy3,5dimethylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 3Cyclopropyl4f [3, 5dimethyl4 (2dimethylaminoethyloxycarbonyl) pyrrol2 yl] methylene}2pyrazolin5one, 4 { [3,5Dimethyl4 (2dimethylaminoethyloxycarbonyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3,5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one maleate, 4 { [3,5Dimethyl4 (2morpholinoethylaminocarbonyl) pyrrol2yl] methylene3 pyrazinyl2pyrazolin5one, 4 [ (3, 5Dimethylpyrrol2yl) methylene]3 (2pyridyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3 (2pyridyl)2pyrazolin5one, 4 [ (4,5tetramethylenepyrrol2yl) methylene]3 (2pyridyl)2pyrazolin5one, 4 [ (3,5dimethylpyrrol2yl)methylene]3 (2furyl)2pyrazolin5one, 4 [ (3,5dimethyl4morpholinomethylpyrrol2yl)methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3, 5dimethylpyrrol2yl) methylene]3 (2thienyl)2pyrazolin5one, 3Cyclopropyl4 [ (4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (3, 5dimethyl4trifluoroacetamidomethylpyrrol2yl) methylene] 2pyrazolin5one, 3Cyclopropyl4 [ (4aminomethyl3,5dimethylpyrrol2yl)methylene]2pyrazolin 5one, 3 (Benzothiazol2yl)4 [ (3, 5dimethylpyrrol2yl) methylene]2pyrazolin5one, 3 (Benzothiazol2yl)4 [ (3, 5dimethyl4morpholinomethylpyrrol2yl) methylene] 2pyrazolin5one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [ (4Ethoxycarbonylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4[ (4Carboxypyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [ (3, 5Dimethyl4diethanolaminomethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3,5Dimethyl4trifluoroacetamidomethylpyrrol2yl)methylene]3pyrazinyl2 pyrazolin5one, 3Cyclopropyl4 [ (4ethoxycarbonyl3phenylpyrrol2yl) methylene]2pyrazolin5 one, 4 { [3,5Dimethyl4 (1pyrrolidinylmethyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (2furyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (2thienyl)2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (3pyridyl)2 pyrazolin5one, 4 [ (3,5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3phenyl2pyrazolin5 one, 4 [ (3, 5Dimethyl4ethylpyrrol2yl) methylene]3phenyl2pyrazolin5one, 4 [ (3,4Di (ethoxycarbonyl) pyrrol2yl) methylene]3ethoxy2pyrazolin5one, 3Ethoxy4 [ (4ethoxycarbonylpyrrol2yl) methylene]2pyrazolin5one, 4 [ (3,5Dimethyl4ethoxycarbonylpyrrol2yl)methylene]3 (2pyridylethyl)2 pyrazolin5one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (lmethyl2 phenylethyl)2pyrazolin5one, 4 [ (4Carboxy3,5dimethylpyrrol2yl) methylene]3ethoxy2pyrazolin5one, 3Ethoxy4 [ (5nitropyrrol2yl) methylene]2pyrazolin5one, 3Ethoxy4 [ (4nitropyrrol2yl) methylene]2pyrazolin5one, 4 [ (4Carboxypyrrol2yl) methylene]3ethoxy2pyrazolin5one, 4 { [3,5Dimethyl4(2dimethylaminoethylaminocarbonyl) pyrrol2yl) methylene} 3ethoxy2pyrazolin5one, 4 [ (5Chloro3methoxycarbonyl4methoxycarbonylmethylpyrrol2yl) methylene] 3ethoxy2pyrazolin5one, <BR> <BR> 4 { [3 (2Carboxyethyl)4methylpyrrol2yl] methylene}3ethoxy2pyrazolin5 one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3ethoxy2pyrazolin5 one, 3Ethoxy4 [ (4, 5tetramethylenepyrrol2yl) methylene]2pyrazolin5one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3trifluoromethyl2 pyrazolin5one, 4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, 3 (3Aminophenyl)4 [ (3, 5Dimethyl4ethoxycarbonylpyrrol2yl) methylene]2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Ethoxy4f [2 (4morpholinoethyl) aminocarbonylpyrrol2yl] methylene}2 pyrazolin5one, <BR> <BR> 4 [ (4Ethoxycarbonyl3phenylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5 one, <BR> <BR> 41 [4 (4Methyl Ipyperazinylmethyl)3, 5dimethylpyrrol2yl] methylenel3<BR> <BR> <BR> <BR> <BR> pyrazinyl2pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3, 5Dimethyl4piperidinomethylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (5isoxazolyl)2 pyrazolin5one, 4 [ (5Methyl4dimethylaminomethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 { {3,5Dimethyl4 [N (2dimethylaminoethyl)Nmethylaminomethylpyrrol2 <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropyl4 [ (3dimethylaminomethyl4, 5tetramethylenepyrrol2 yl) methylene]2pyrazolin5one, <BR> <BR> 4 [ (3Dimethylaminomethyl4, 5tetramethylenepyrrol2yl) methylene]3pyrazinyl 2pyrazolin5one, 3Cyclopropyl4[(3,5dimethyl4dimethylaminomethylpyrrol2yl)methylene]2 pyrazolin5one maleate, 4 { [4 (3Chloropropionyl)3, 5dimethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, <BR> <BR> 4 { [4 (2Diethylaminoethyl)3,5dimethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 [ (3, 5Dimethyl4dimethylaminomethylpyrrol2yl) methylene]3 (5methyl3 isoxazolyl)2pyrazolin5one, 4 { [3,5Dimethyl4 (4hydroxypiperidinomethyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 [ (4Aminomethyl3, 5dimethylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5 one maleate, 4 { [4 (4Benzylpiperidino) methylpyrrol2yl] methylene}3pyrazinyl2pyrazolin 5one, 4{[3,5dimethyl4(2hydroxyethyl)pyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, <BR> <BR> 4 { {3,5Dimethyl4 [2 (1pyrrolidinylethyl)] pyrrol2yl} methylene}3pyrazinyl2 pyrazolin5one, 3Cyclopropyl4 { {3,5Dimethyl4 [2 (lpyrrolidinylethyl)] pyrrol2 yl} methylene}2pyrazolin5one, 3Cyclopropyl4 { [3,5Dimethyl4 (2hydroxyethyl) pyrrol2yl] methylene}2 pyrazolin5one, 4 {[3, 5Dimethyl4(2ethylaminoethyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 {[4(3Diethylaminopropyl)3, 5dimethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { [3,5Dimethyl4 (3hydroxypropyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 [ (3,5Dimethyl4dimethylaminoacetylpyrrol2yl)methylene]3pyrazinyl2 pyrazolin5one hydrochloride, 4 [ (3, 5Dimethyl4dimethylaminoacetylpyrrol2yl) methylene]3ethoxy2 pyrazolin5one, 3Cyclopropyl4 {[(2diethylaminoethyl)3, 5dimethyl4pyrrol2yl] methylene}2 pyrazolin5one, 4{[3,5Dimethyl4(2dimethylaminoethyl)pyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4{[3,5Dimethyl4(4hydroxybutyl)pyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4f [4 (4Diethylaminobutyl)3, 5dimethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 {[4(2DiethylaminoethylNoxide)3, 5dimethylpyrrol2yl] methylene}3 pyrazinyl2pyrazo lin5one, 4f [3, 5dimethyl4 (lpyrrolidinylacetyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 [ (4Diethylaminoacetyl3, 5dimethylpyrrol2yl) methylene]3pyrazinyl2 pyrazolin5one, 4 [ (3Isopropyl5methylpyrrol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 { [3, 5Dimethyl4 [3 (lpyrrolidinylpropyl)] pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4[(Dimethylaminomethyl3isopropyl5methylpyrrol2yl)methylene]3pyrazinyl 2pyrazolin5one, 3Cyclopropyl4[(dimethylaminomethyl3isopropyl5methylpyrrol2 yl) methylene]2pyrazolin5one, 4 { [3, 5Dimethyl4 (2ethoxyoxalyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 3Benzyl4[(indol3yl)methylene]2pyrazolin5one, 3Benzyl4{[1(4hydroxybutyl)indol3yl]methylene}2pyrazolin5one, 4[(Indol3yl) methylene]3(4methoxyphenyloxymethyl)2pyrazolin5one, 4[(Indol3yl)methylene]3phenyloxymethyl2pyrazolin5one, 3(4Chlorophenyloxymethyl)4[(indol3yl)methylene]2pyrazolin5one, 4[(Indol3yl)methylene]3(4methoxybenzyl)2pyrazolin5one, 4[(Indol3yl) methylene]3(4methylphenyloxymethyl)2pyrazolin5one, 4[(Indol3yl)methylene]3phenylethyl2pyrazolin5one, 4[(Indol3yl)methylene]3isopropoxy2pyrazolin5one, 4[(Indol3yl)methylene]3(4methylbenzyl)2pyrazolin5one, 4 [ (Indol3yl) methylene]3phenylamino2pyrazolin5one, 4[(Indol3yl)methylene]3(4methylphenylamino)2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (4methoxyphenylamino)2pyrazolin5one, 3=(4Chlorobenzyl)4[(indol3yl)methylene]2pyrazolin5one, 4{[1(4hydorxybutyl)indol3yl]methylene}3(4methoxypbenzyl)2pyrazolin5 one, 3(4Chlorophenylamino)4[(indol3yl)methylene]2pyrazolin5one, 4[(Indol3yl)methylene]3(3methoxybenzyl)2pyrazolin5one, 3 (3, 4dimethoxybenzyl)4 [ (indol3yl) methylene]2pyrazolin5one, <BR> <BR> 3 (4hydroxybenzyl)4 [ (indol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3(3Chlorophenyloxymethyl)4[(indol3yl) methylene]2pyrazolin5one, 3(indol3yl)4[(indol3yl)methylene]2pyrazolin5one, 4[(Indol3yl)methylene]3(4methoxyphenylethyl)2pyrazolin5one, 4[(Indol3yl)methylene]3(4phenylphenyloxymethyl)2pyrazolini5one, 4[(Indol3yl)methylene]392phenylpropyl)2pyrazolin5one, 4[(Indol3yl)methylene]3(3phenylpropyl)2pyrazolin5one, 3 (4Hydroxyphenylethyl)4 [ (indol3yl) methylene]2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (4methylphenylethyl)2pyrazolin5one, 3Ethoxy4 [ (indol3yl) methylene]2pyrazolin5one, 4 {[1(4Hydroxybutyl) indol3yl] methylene}3isopropoxy2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { [1 (4Hydroxybutyl) indol3yl] methylene}3phenylethyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4[(Indol3yl) methylene]3(4nitrophenylethyl)2pyrazolin5one, 4 [ (Indol3yl) methylene]3propoxy2pyrazolin5one, 3 (4Fluorophenylamino) 4 [ (indol3yl) methylene] 2pyrazolin5one, 3(4Aminophenylethyl)4[(indol3yl)methylene]2pyrazolin5one, 3Isopropoxy4 [ (2methylindol3yl) methylene]2pyrazolin5one, 3Isopropoxy4 [ (7methylindol3yl) methylene]2pyrazolin5one, 4 [ (7Methylindol3yl) methylene]3phenylethyl2pyrazolin5one, <BR> <BR> 3Cyclopentyl4[(indol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Isopropoxy4[(1methylindol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (Indol3yl) methylene]3 (4methoxycarbonylphenylethyl)2pyrazolin5one, 3Isopropoxy4 [ (lisopropylindol3yl) methylene]2pyrazolin5one, 3(4Hydroxyphenylethyl)4[(1methylindol3yl)methylene]2pyrazolini5one, 3Isopropyl4 [ (indol3yl) methylene]2pyrazolin5one, <BR> <BR> 3(4Chlorophenylaminocarbonylmethyl)4[(indol3yl) methylene]2pyrazolin5 one, 3Ethoxycarbonylmethyl4 [ (indol3yl) methylene]2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (4methoxyphenylwninocarbonylmethyl)2pyrazolin <BR> <BR> 5one,<BR> <BR> <BR> <BR> <BR> <BR> 3Cyclopropyl4[(indol3yl) methylene]2pyrazolin5one, 4[(Indol3yl)methylene]3(3pyridyl)2pyrazolini5one, 3(2Aminocarbonylethyl)4[(indol3yl)methylene]2pyrazolin5one, 3Cyclobutyl4[(indol3yl)methylene]2pyrazolin5one, 3(2Dimethylaminocarbonylethyl)4[(indol3yl)methylene]2pyrazolin5one, 3Cyclopropyl4{[1(4hydroxybutyl)indol3yl]methylene}2pyrazolin5one, <BR> <BR> 4 [ (Indol3yl) methylene]3 (4pyridyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopentyl4 [ (indol3yl) methylene]2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (2,2,3,3tetramethylcyclopropyl)2pyrazolin5one, 4[(indol3yl)methylene]3(2methylcyclopropyl)2pyrazolin5one, 3Cyclohexyl4{[1(4hdyroxybutyl)indol3yl]methylene}2pyrazolin5one, 4 {[1(4Hdyroxybutyl) indol3yl] methylene}3 (4pyridyl)2pyrazolin5one, 3 (Benzothiazol2yl)4 [ (indol3yl) methylene]2pyrazolin5one, <BR> <BR> 4[(Indol3yl) methylene]3(2pyridyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Dimethylamino4[(indol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (Indol3yl) methylene]3 (pyrrol2yl)2pyrazolin5one, 4[(Indol3yl)methylene]3(6methoxybenzothiazol2yl)2pyrazolin5one, <BR> <BR> 3Cyclopropyl4[(1methylindol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropyl4 [ (7methylindol3yl) methylene]2pyrazolin5one, 4 [ (1Methylindol3yl) methylene]3 (3pyridyl)2pyrazolin5one, 4[(Indol3yl) methylene]3propyl2pyrazolin5one, 4 [ (Indol3yl) methylene]3methyl2pyrazolin5one, 4[(Indol3yl)methylene]3trifluoromethyl2pyrazolin5one, 4 { [1 (4Hydroxybutyl) indol3yl] methylene}2pyrazolin5one, 4{[1(4Hydroxybutyl)indol3yl]methylene}3methyl2pyrazolin5one, 4 { [1 (4Hydroxybutyl) indol3yl] methylene}3trifluoromethyl2pyrazolin5one, 4{[1(4Hydroxybutyl)indol3yl]mehtylene}3(tertbutyl)2pyrazolin5one, 3Ethoxycarbonyl4 [ (indol3yl) methylene]2pyrazolin5one, 4 [ (Indol3yl) methylene]3 (2methoxycarbonylethyl)2pyrazolin5one, 4 [(Indol3yl) methylene]3(trans2phenyl1cyclopropyl)2pyrazolin5one, 3Cyclobutyl4 { [1 (4hydroxybutyl) indol3yl] methylene}2pyrazolin5one, 4 [(6Carboxy1methylindol3yl) methylene]3cyclopropyl2pyrazolin5one, <BR> <BR> 3Cyclopropyl4 [ (5methoxy1methylindol3yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (lMethylindol3yl) methylene]3pyrazinyl2pyrazolin5one, 3Cyclopropyl4 [ (1,7dimethylindol3yl)methylene]2pyrazolin5one, 4 [ (1Methylindol3yl) methylene]3 (tetrahydrofuran3yl)2pyrazolin5one, 3Cyclopropylamino4[(1methylindol3yl) methylene]2pyrazolin5one, 4 [(6Carboxy1methylindol3yl) methylene]3isopropoxy2pyrazolin5one, 4 [ (1, 7Dimethylindol3yl) methylene]3isopropoxy2pyrazolin5one, 3Isopropoxy4 [ (5methoxy1methylindol3yl) methylene]2pyrazolin5one, 3 (4Fluorophenylamino)4 [ (lmethylindol3yl) methylene]2pyrazolin5one, 4 [ (1Methylindol3yl) methylene]3trifluoroacetamido2pyrazolin5one, 3 (4Aminophenylethyl)4 [ (1methylindol3yl) methylene]2pyrazolin5one, 3Amino4[(1methylindol3yl) methylene]2pyrazolin5one, 3 (4Chlorophenylethyl)4 [ (indol3yl) methylene]2pyrazolin5one, 3Ethoxy4 [ (1methylindol3yl) methylene]2pyrazolin5one, 3 (5Isoxazolyl)4 [ (lmethylindol3yl) methylene]2pyrazolin5one, 4 [ (lMethylindol3yl) methylene]3tertbutyl2pyrazolin5one, 4[(6Carboxy1methylindol3yl) methylene]3pyrazinyl2pyrazolin5one, 4 { 1Methyl6 [2 (4morpholino) ethyl] aminocarbonylindol3yl} methylene}3 pyrazinyl2pyrazolin5one, 4 [ (Indol2yl) methylene]3isopropoxy2pyrazolin5one, <BR> <BR> 3 (4Hydroxyphenylethyl)4 [ (indol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 3 (4Aminophenylethyl)4 [ (indol2yl) methylene]2pyrazolin5one, 3 (4Methoxycarbonylphenylethyl)4 [ (indol2yl) methylene]2pyrazolin5one, 3(4Carbamoylphenylethyl)4[(indol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (indol2yl) methylene]2pyrazolin5one, <BR> <BR> 3Cyclopropyl4 [ (3dimethylaminomethylindol2yl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (Indol2yl) methylene]3 (3pyridyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 3Isopropoxy4 [ (5methoxyindol2yl) methylene]2pyrazolin5one, 3Isopropoxy4 [ (1methylindol2yl) methylene]2pyrazolin5one, 4[(Indol2yl)methylene]3(tetrahydrofuran3yl)2pyrazolin5one, 3Cyclopropyl4 [ (5methoxyindol2yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (5nitroindol2yl) methylene]2pyrazolin5one, 4[(Indol2yl)methylene]3isopropylamino2pyrazolin5one, 3 (4Carboxyphenylethyl)4 [ (indol2yl) methylene]2pyrazolin5one, 4 [ (Indol2yl) methylene]3phenyl2pyrazolin5one, 3Isopropoxy4 [ (3methylindol2yl) methylene]2pyrazolin5one, 3Isopropoxy4{[3(2methoxycarbonyl2acetamidoethyl)indol2yl]methylene} 2pyrazolin5one, 3Ethoxy4 [ (indol2yl) methylene]2pyrazolin5one, 3Ethoxy4 { [3 (4morpholinomethyl) indol2yl] methylene}2pyrazolin5one, 3Cyclopropyl4 { [3 (4morpholinomethyl) indol2yl] methylene}2pyrazolin5 one, 4 [ (5Methoxyindol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [ (5Methoxyindol2yl) methylene]3 (2pyridyl)2pyrazolin5one, 4 [ (4Chloro6,7dihydroindol2yl) methylene]3ethoxy2pyrazolin5one, 4 [ (4Chloro6, 7dihydroindol2yl) methylene]3pyrazinyl2pyrazolin5one, 4[(4Oxo1, 5,6,7dihydroindol2yl) methylene]3pyrazinyl2pyrazolin5one, 4 [ (3Dimethylaminomethylindol2yl) methylene]3ethoxy2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3benzyl2pyrazolin5one, 3Benzyl4 { [1 (4hydroxybutyl)7azaindol3yl] methylene}2pyrazolin5one, 4[(7Azaindol3yl)methylene]3(4methoxyphenyloxymethyl)2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3isopropoxy2pyrazolin5one, 3Amino4 [ (7azaindol3yl) methylene]2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3 (4methoxybenzyl)2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3phenylamino2pyrazolin5one, 4[(7Azaindol3yl)methylene]3(4methylbenzyl)2pyrazolin5one, 4[(7Azaindol3yl)methylene]3(4hydroxyphenylethyl)2pyrazolin5one, 4 {[1(4Hydroxybutyl)7azaindol3yl] methylene}3(4hydroxyphenylethyl)2 pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3i sopropyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3cyclopropyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3cyclobutyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3 (3pyridyl)2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3phenyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3 (4fluorophenylamino)2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3propyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3methyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3trifluoromethyl2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3 (tertbutyl)2pyrazolin5one, <BR> <BR> 4 { [l (4Hydroxybutyl)7azaindol3yl] methylene}3trifluoromethyl2pyrazolin 5one, 4 [ (7Azaindol3yl) methylene]3 (4isopropylphenylamino)2pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3 (3methylphenylamino)2pyrazolin5one, 4{[1(4Hydroxybutyl)7azaindol3yl]methylene}3(3methylphenylamino)2 pyrazolin5one, 4 [ (7Azaindol3yl) methylene]3phenylethyl2pyrazolin5one, <BR> <BR> 3Benzyl4 [ (4dimethylaminophenyl) methylene]2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 [ (4Dimethylaminophenyl) methylene]3isopropoxy2pyrazolin5one, 4 [ (4Dimethylaminophenyl) methylene]3phenylethyl2pyrazolin5one, 3Cyclopropyl4 [ (4dimethylaminophenyl) methylene]2pyrazolin5one, 3Isopropoxy4 [ (3methylpyrazol4yl) methylene]2pyrazolin5one, 3Cyclopropyl4 [ (3methylpyrazol4yl) methylene]2pyrazolin5one, 4[(Imidazol2yl)[(Imidazol2yl) methylene]3isopropoxy2pyrazolin5one, 3Cyclopropyl4[(imidazol2yl) methylene]2pyrazolin5one, 4[(Imidazol4yl)methylene]3isopropoxy2pyrazolin5one, 3Cyclopropyl4[(thien2yl)methylene]2pyrazolin5one, 4[(Indol3yl)methylene]3isopropyl1methyl2pyrazolin5one, 3Isopropoxy4 [ (pyrrol3yl) methylene]2pyrazolin5one, 4 [ (8Hydroxyquinolin5yl) methylene]3isopropoxy2pyrazolin5one, 4{[4(2diethylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(2pyrimidinyl) <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { [4 (2Diethylaminoethyl)3, 5dimethylpyrrol2yl] methylene}3 (3pyridazinyl) 2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)3,5dimethylpyrrol2yl]methylene}3 (2furyl)2 pyrazolin5one, 4{[4(2Diethylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(2thienyl)2 pyrazolin5one, 4{[4(2Diethylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(4pyrimidinyl) 2pyrazolin5one, <BR> <BR> 41 [4 (2Diethylaminoethyl)3, 5dimethylpyrrol2yl] methylenel3 (5pyrimidinyl) 2pyrazolin5one, 4{[4(2diethylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(4pyridazinyl) 2pyrazolin5one, 3Cyclopropyl4 [ (3, 5dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 [ (4diethylaminomethyl3,5dimethylpyrrol2yl) methylene]2 pyrazolin5one, 3Cyclopropyl4 {[4(2cyclopropylaminoethyl)3, 5dimethylpyrrol2 yl]methylene}2pyrazolin5one, 3Cyclopropyl4 {[3, 5dimethyl4(2phenylaminoethyl) pyrrol2yl] methylene}2 pyrazolin5one, 3Cyclopropyl4 { {3, 5dimethyl4[2(4pyndylmethylamino) ethyl] pyrrol2 yl}methylene}2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl] methylene}3cyclopropyl2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 3Cyclopropyl4 [ (4diethylaminomethyl3isopropyl5methylpyrrol2 yl) methylene]2pyrazolin5one, 3Cyclopropyl4{[4(1pirrolidinylmethyl)3isopropyl5methylpyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4 {{ 3isopropyl5methyl4 [2 (lpyrrolidinylethyl)] pyrrol2 <BR> <BR> yl} methylene}2pyrazolin5one,<BR> <BR> <BR> <BR> 3Cyclopropyl4 { [4 (2cyclopropylaminoethyl)3isopropyl5methylpyrrol2 yl]methylene}2pyrazolin5one, 3Cyclopropyl4{{4[3(1pyrrolidinyl)propyl]3isopropyl5methylpyrrol2 yl}methylene}2pyrazolin5one, 3Cyclopropyl4{[3isopropyl5methyl494piperidinobutyl)pyrrol2 yl]methylene}2pyrazolin5one, 3Cyclopropyl4 {f4 [3 (4pyridyhnethylamino) propyl]3isopropyl5 <BR> <BR> methylpyrrol2yl}methylene}2pyrazolin5one,<BR> <BR> <BR> <BR> 3Cyclopropyl4 {[4(4dimethylaminobutyl)3isopropyl5methylpyrrol2 yl]methylene}2pyrazolin5one, 3Cyclopropyl4 [ (3cyclopropyl4diethylaminomethyl5methylpyrrol2 yl) methylene]2pyrazolin5one, 3Cyclopropyl4 { [3cyclopropyl4 (lpirrolidinylmethyl)5methylpyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4{{3cyclopropyl5methyl4[2(1pyrrolidinyl)ethyl]pyrrol2 <BR> <BR> yl} methylene}2<BR> <BR> <BR> <BR> pyrazolin5one, 3Cyclopropyl4{{3cyclopropyl4[2di(methoxyethyl)aminoethyl]5 methylpyrrol2yl} methylene}2pyrazolin5one, 3Cyclopropyl4{[3cyclopropyl493diethylaminopropyl)5methylpyrrol2 yl] methylene}2pyrazolin5one, 3Cyclopropyl4 { {3cyclopropyl4[3(2,5dimethyl1pyrrolidinyl) propyl]5 methylpyrrol2yl} methylene}2pyrazolin5one, 3Cyclopropyl4{[3cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol 2yl] methylene}2pyrazolin5one, 3Cyclopropyl4 { {3cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2 yl} methylene}2pyrazolin5one, 3Cyclopropyl4{[3cyclopropyl5mehtyl4(4cyclobutylaminobutyl)pyrrol2 yl] methylene}2pyrazolin5one, 4{[4(2cyclopropylaminoethyl)3,5dimethylpyrrol2yl]methylene}3pyrazinyl 2pyrazolin5one, 4 { [3,5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4{{3,5Dimethyl4[2(4pyridylmethylamino) ethyl] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 pyrazinyl2pyrazolin5one, 4 { [4 (1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{3Isopropyl5methyl4[2(1pyrrolidinylehtyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 3Pyrazinyl4 { {4 [3 (lpyrrolidmyl) propyl]3isopropyl5methylpyrrol2<BR> <BR> <BR> <BR> yl} methylene}2pyrazolin5one,<BR> <BR> <BR> <BR> 4f [3Isopropyl5methyl4 (4piperidinobutyl) pyrrol2yl] methylenel3pyrazinyl 2pyrazolin5one, 3Pyrazinyl4 { {4 [3 (4pyridylmethylamino) propyl]3isopropyl5methylpyrrol2 yl}methylene}2pyrazolin5one, 4{[4(4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 pyrazinyl2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [2 (lpyrrolidinyl) ethyl] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl} methylene}2pyrazinyl2pyrazolin5one, 4 {[3Cyclopropyl4(3diethylaminopropyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { {3Cyclopropyl4 [3 (2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2<BR> <BR> <BR> <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one, 4{[3Cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[3cyclopropyl5methyl4(4cyclobutylaminobutyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]3 (2furyl)2<BR> <BR> <BR> <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2furyl)2 pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(2furyl) 2pyrazolin5one, 4 { [3,5Dimethyl4(2ethylaminoethyl)pyrrol2yl] methylene}3(2furyl)2 pyrazolin5one, 4 { [3, 5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3(2furyl)2 pyrazolin5one, 4{{3,5Dimethyl4[2(4pyridylmethylamino)ethyl]pyrrol2yl}methylene}392 furyl)2pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (2furyl) 2pyrazolin5one, 4{[491Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl]methylene}3(2 furyl)2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl] methylene}3 (2furyl)2 <BR> <BR> pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { {3Isopropyl5methyl4 [2 (lpyrrolidinylethyl)] pyrrol2yl} methylene}3 (2 furyl)2pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl] methylene}3 (2 furyl)2pyrazolin5one, 3 (2Furyl)4 { {4 [3 (1pyrrolidmyl) propyl]3isopropyl5methylpyrrol2 yl} methylene}2pyrazolin5one, 3(2Furyl)4 {[3isopropyl5methyl4(4piperidinobutyl)(2Furyl)4 {[3isopropyl5methyl4(4piperidinobutyl) pyrrol2yl] methylene} 2pyrazolin5one, 3 (2Furyl)4 f {4 [3 (4pyridylmethylamino) propyl]3isopropyl5methylpyrrol2 yl} methylene}2pyrazolin5one, 4{[4(4dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3(2 furyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (2 furyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4[2(1pyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (2furyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl}methylene}3(2furyl)2pyrazolin5one, 4f [3Cyclopropyl4 (3diethylaminopropyl)5methylpyrrol2yl] methylene}3 (2 furyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [3 (2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2 yl)methylene}3(2furyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (3phenylmethylaminopropyl) pyrrol2 yl]methylene}3 (2furyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (1pyrrolidinyl) butyl] pyrrol2yl} methylene}3 (2furyl)2pyrazolin5one, 4 {[3Cyclopropyl5methyl4(4cyclobutylaminobutyl) pyrrol2yl] methylene}3 (2furyl)2pyrazolin5one, 4[(3,5Dimethyl4(1pyrrolidinylmethylpyrrol2yl)methylene]3(2thienyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (2 thienyl)2 pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)3, 5dimethylpyrrol2yl] methylene}3 (2 thienyl)2pyrazolin5one, 4{[3,5dimethyl492ethylaminoethyl)pyrrol2yl]methylene}3(2thienyl)2 pyrazolin5one, 4 [3, 5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3(2 thienyl)2 pyrazolin5one, 4 { {3, 5Dimethyl4[2(4pyridylmethylamino)ethyl]pyrrol2yl}methylene}3(2 thienyl)2pyrazolin5one, 4{[4(2Carboxyethyl)3,5dimethylpyrrol2yl]methylene}3(2thienyl)2 pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (2<BR> <BR> <BR> <BR> <BR> thienyl)2pyrazolin5one, 4{[4(1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3(2 thienyl)2pyrazolin5one, 4 { {3Isopropyl5methyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3(2 thienyl)2pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl]methylene}3(2 thienyl)2pyrazolin5one, <BR> <BR> 4{ {4[3(1Pyrrolidinyl) propyl]3isopropyl5methylpyrrol2yl} methylene}3(2 thienyl)2pyrazolin5one, 4f [3Isopropyl5methyl4 (4piperidinobutyl) pyrrol2yl] methylene}3 (2 thienyl)2pyrazolin5one, 4 { {4 [3 (4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2 yl} methylene}3(2thienyl)2pyrazolin5one, 4{[4(4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3(2 thienyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (2 thienyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4[2(1pyrolidinyl) ethyl] pyrrol2yl} methylene}3 (2thienyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl} methylene}3 (2 thienyl)2pyrazolin5one, 4{[3Cyclopropyl4(3diethylaminopropyl)5methylpyrrol2yl]methylene}3(2 thienyl)2pyrazolin5one, <BR> <BR> 4 { {3Cyclopropyl4 [3 (2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2<BR> <BR> <BR> <BR> <BR> yl} methylene}3(2thienyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (3phenylmethylaminopropyl) pyrrol2 yl] methylene}3 (2 thienyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2yl} methylene}3 (2thienyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (4cyclobutylaminobutyl) pyrrol2yl] methylene}3 (2thienyl)2pyrazolin5one, 4[(3,5Dimethyl4(1pyrrolidinylmethylpyrrol2yl)methylene]3(4pyrimidinyl) <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (4pyrimidinyl)2<BR> <BR> <BR> <BR> <BR> pyrazolin5one, 4{[492Cyclopropylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(4 pyrimidinyl)2pyrazolin5one, 4 { [3,5Dimethyl4 (2ethylaminoethyl)pyrrol2yl] methylene}3 (4pyrimidinyl) 2pyrazolin5one, 4f [3, 5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3 (4pyrimidinyl) 2pyrazolin5one, 4 { {3, 5dimethyl4[2(4pyridylmethylamino)ethyl]pyrrol2yl}methylene}3(4 pyrimidinyl)2pyrazolin5one, 4 {[4(2Carboxyethyl)3, 5dimethylpyrrol2yl] methylene}3(4pynmidinyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (4 pyrimidinyl)2pyrazolin5one, 4 { [4 (lPirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3 (4 pyrimidinyl)2pyrazolin5one, 4 { {3Isopropyl5methyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3(4 pyrimidinyl)2pyrazolin5one, 4 { [4(2cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl] methylene}3(4 pyrimidinyl)2pyrazolin5one, 3 (4Pyrimidinyl)4 f f 4 [3 (1pyrrolidinyl) propyl]3isopropyl5methylpyrrol2 yl} methylene}2pyrazolin5one, 4 {[3Isopropyl5methyl4(4piperidinobutyl) pyrrol2yl] methylene}3 (4 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 { {4 [3 (4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2<BR> <BR> <BR> <BR> yl} methylene}3 (4pyrimidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 {[4(4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl] methylene}3(4 pyrimidinyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (4 pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [2 (lpyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (4pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl} methylene}3 (4pyrimidinyl)2pyrazolin5one, 4 { [3Cyclopropyl4 (3diethylaminopropyl)5methylpyrrol2yl] methylene}3 (4 pyrimidinyl)2pyrazolin5one, 4{{3Cyclopropyl4[3(2,5dimethyl1pyrrolidinyl)propyl]5methylpyrrol2 yl} methylene}3 (4pyrimidinyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (3phenylmethylaminopropyl) pyrrol2 yl] methylene}3 (4pyrimidinyl)2pyrazolin5one, 4 {f 3Cyclopropyl5methyl4 [4 (1pyrrolidinyl) butyl] pyrrol2yl} methylene}3 (4pyrimidinyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (4cyclobutylaminobutyl) pyrrol2yl] methylene}3 (4pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]3 (5pyrimidinyl)<BR> <BR> <BR> <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (5pyrimidinyl)2 pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)3, 5dimethylpyrrol2yl] methylene}3 (5 pyrimidinyl)2pyrazolin5one, 4 { [3,5Dimethyl4 (2ethylaminoethyl)pyrrol2yl] methylene}3 (5pyrimidinyl) 2pyrazolin5one, 4 { [3, 5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3 (5pyrimidinyl) 2pyrazolin5one, 4 { {3,5dimethyl4 [2 (4pyridylmethylamino) ethyl] pyrrol2yl} methylene}3 (5 pyrimidinyl)2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl] methylene}3 (5pyrimidinyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (5 pyrimidinyl)2pyrazolin5one, 4 {[4(1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3(5 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 {f 3Isopropyl5methyl4 [2 (1pyrrolidinylethyl)] pyrrol2yl} methylene}3 (5 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 { [4 (2cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl] methylene}3 (5 pyrimidinyl)2pyrazolin5one, 3 (5Pynmidmyl)4 { {4 [3 (lpyrrolidinyl) propyl]3isopropyl5methylpyrrol2 yl} methylene}2pyrazolin5one, 4{[3Isopropyl5methyl4(4piperidinobutyl)pyrrol2yl]methylene}3(5 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 { {4 [3 (4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2<BR> <BR> <BR> <BR> <BR> <BR> yl) methylene)3 (5pyrimidinyl)2pyrazolin5one, 4{[4(dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3(5 pyrimidinyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (5 pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [2 (lpyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (5pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl} methylene}3 (5pyrimidinyl)2pyrazolin5one, 4{[3Cyclopropyl4(3diethylaminopropyl)5methylpyrrol2yl]methylene}3(5 pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl4[3(2,5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2 yl} methylene}3 (5pyrimidinyl)2pyrazolin5one, 4{[3Cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol2 yl] methylene}3 (5pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2yl} methylene}3 (5pyrimidinyl)2pyrazolin5one, 4 {[3Cyclopropyl5methyl4(4cyclobutylaminobutyl) pyrrol2yl] methylene}3 (5pyrimidinyl)2pyrazolin5one, 4 [ (3, 5Dimethyl4 (Ipyrrolidinylmethylpyrrol2yl) methylene]3 (2pyrimidinyl) 2pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (2pyrimidinyl)2 pyrazolin5one, 4{[4(2cyclopropylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(2 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 { [3, 5Dimethyl4 (2ethylaminoethyl)pyrrol2yl] methylene}3 (2pyrimidinyl) 2pyrazolin5one, 4 {[3,5Dimethyl4(2phenylaminoethyl) pyrrol2yl] methylene}3 (2pyrimidinyl) 2pyrazolin5one, 4{{3,5dimthyl4[2(4pyridylmethylamino)ethyl]pyrrol2yl}methylene}3(2 <BR> <BR> pyrimidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 {[4(2Carboxyethyl)3, 5dimethylpyrrol2yl] methylene}3(2pyrimidinyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (2 pyrimidinyl)2pyrazolin5one, 4 { [4 (1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3 (2 pyrimidinyl)2pyrazolin5one, 4{{3Isopropyl5methyl4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3(2 pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 {[4(2cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl] methylene}3(2<BR> <BR> <BR> <BR> <BR> <BR> pyrimidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 3 (2Pynmidinyl)4 { {4 [3 (1pyrrolidmyl) propyl]3isopropyl5methylpyrrol2<BR> <BR> <BR> <BR> <BR> yl} methylene}2pyrazolin5one, 4{[3Isopropyl5methyl4(4piperidinobutyl0pyrrol2yl]methylene}3(2 pyrimidinyl)2pyrazolin5one, 4 {4 [3 (4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2 <BR> <BR> yl} methylene}3(2pynmidinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { [4 (4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl] methylene}3 (2 pyrimidinyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (2 pyrimidinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [2 (lpyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (2pynmidinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl}methylene}3(2pyrimidinyl)2pyrazolin5one, 4{[3Cyclopropyl4(3diethylaminopropyl)5methylpyrrol2yl]methylene}3(2 pyrimidinyl)2pyrazolin5one, 4 { 3Cyclopropyl4 [3(2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2 yl}methylene}3(2pyrimidinyl)2pyrazolin5one, 4 { [3Cyclopropyl5methyl4 (3phenylmethylaminopropyl) pyrrol2 yl]methylene}3(2pyrimidinyl)2pyrazolin5one, 4 { {3cyclopropyl5methyl4[491pyrrolidinyl) butyl] pyrrol2yl} methylene}3 (2pyrimidinyl)2pyrazolin5one, 4{[3cyclopropyl5methyl4(4cyclobutylaminobutyl)pyrrol2yl][methylene}3 (2pyrimidinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (lpyrrolidinylmethylpyrrol2yl) methylene]3 (3pyridazinyl) 2pyrazolin5one, 4 [ (4Diethylaminomethyl3, 5dimethylpyrrol2yl) methylene]3 (3pyridazinyl)2 pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)3,5dimethylpyrrol2yl]methylene}3(3 pyridazinyl)2pyrazolin5one, 4 {[3,5Dimethyl4 (2ethylaminoethyl)pyrrol2yl] methylene}3 (3pyridazinyl) 2pyrazolin5one, 4 { [3, 5Dimethyl4 (2phenylaminoethyl) pyrrol2yl] methylene}3 (3pyridazinyl) 2pyrazolin5one, 4 { {3,5dimethyl4 [2 (4pyridylmethylamino) ethyl] pyrrol2yl} methylene}3 (3 <BR> <BR> pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> 4f [4 (2Carboxyethyl)3, 5dimethylpyrrol2yl] methylenel3 (3pyridazinyl)2 pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (3 pyridazinyl)2pyrazolin5one, 4{[4(1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl]methylene}3(3 pyridazinyl)2pyrazolin5one, 4{{3Isopropyl5mehtyl4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3(3 pyridazinyl)2pyrazolin5one, 4{[4(2cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl]methylene}3(3 pyridazinyl)2pyrazolin5one, 3 (3Pyridazinyl)4 { {4 [3 (lpyn'olidmyl) propyl]3isopropyl5methylpyrrol2 yl} methylene}2pyrazolin5one, 4 { [3Isopropyl5methyl4 (4piperidinobutyl) pyrrol2yl] methylene}3 (3 pyridazinyl)2pyrazolin5one, 4 { {4 [3 (4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2 yl} methylene}3 (3pyridazinyl)2pyrazolin5one, 4{[4(4dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3(3 pyridazinyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (3 pyridazinyl)2pyrazolin5one, 4 {3Cyclopropyl5methyl4[2(1pyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (3pyridazinyl)2pyrazolin5one, 4 {3Cyclopropyl4[2di (methoxyethyl) aminoethyl]5methylpyrrol2 <BR> <BR> yl} methylene}3 (3pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { [3Cyclopropyl4 (3diethylaminopropyl)5methylpyrrol2yl] methylene}3 (3<BR> <BR> <BR> <BR> <BR> <BR> pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [3(2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2 yl} methylene}3 (3pyridazinyl)2pyrazolin5one, 4{[3cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol2 yl] methylene}3 (3pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2yl} methylene}3 (3pyridazinyl)2pyrazolin5one, 4{[3Cyclopropyl5methyl4(4cyclobutylaminobutyl)pyrrol2yl]methylene}3 (3pyridazinyl)2pyrazolin5one, <BR> <BR> 4 [ (3, 5Dimethyl4 (1pyrrolidinylmethylpyrrol2yl) methylene]3 (4pyridazinyl) 2pyrazolin5one, <BR> <BR> 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (4pyridazinyl)2 pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)3,5dimethylpyrrol2yl] methylene}3(4 pyridazinyl)2pyrazolin5one, 4{[3,5Dimethyl4(2ethylaminoethyl)pyrrol2yl]methylene}3(4pyridazinyl) 2pyrazolin5one, 4{[3,5Dimethyl4(2phenylaminoethyl)pyrrol2yl]methylene}3(4pyridazinyl) 2pyrazolin5one, 4 { {3,5dimethyl4 [2 (4pyridylmethylamino) ethyl] pyrrol2yl} methylene}3 (4 pyridazinyl)2pyrazolin5one, 4 [ (4Diethylaminomethyl3isopropyl5methylpyrrol2yl) methylene]3 (4 <BR> <BR> pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 4 {[4(1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl] methylene}3(4 pyridazinyl)2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl]methylene}3 (4pyridazinyl)2 pyrazolin5one, <BR> <BR> 4 { {3Isopropyl5methyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3(4<BR> <BR> <BR> <BR> <BR> <BR> <BR> pyridazinyl)2pyrazolin5one, 4{[4(2cyclopropylaminoethyl)3isopropyl5methylpyrrol2yl][methylene}3(4 pyridazinyl)2pyrazolin5one, 3(4Pyridazinyl)4{{4[3(1pyrrolidinyl)propyl]3isopropyl5mehtylpyrrol2 yl} methylene}2pyrazolin5one, 4{[3Isopropyl5methyl4(4piperidinobutyl)pyrrol2yl]methylene}3(4 pyridazinyl)2pyrazolin5one, <BR> <BR> 4 { {4[3(4Pyridylmethylamino) propyl]3isopropyl5methylpyrrol2<BR> <BR> <BR> <BR> <BR> <BR> yl} methylene}3 (4pyridazinyl)2pyrazolin5one, 4{[4(4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3(4 pyridazinyl)2pyrazolin5one, 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (4 pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [2 (lpyrrolidinyl) ethyl] pyrrol2yl} methylene}3 (4pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [2di (methoxyethyl) aminoethyl]5methylpyrrol2 <BR> <BR> yl} methylene}3 (4pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4f [3Cyclopropyl4 (3diethylaminopropyl)5methylpyrrol2yl] methylenel3 (4 pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl4 [3 (2,5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2 yl}methylene}3 (4pyridazinyl)2pyrazolin5one, 4{[3Cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol2 yl]methylene}3(4pyridazinyl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4 [4 (lpyrrolidinyl) butyl] pyrrol2yl} methylene}3 (4pyridazinyl)2pyrazolin5one, 4f [3Cyclopropyl5methyl4 (4cyclobutylaminobutyl) pyrrol2yl] methylene}3 <BR> <BR> (4pyridazinyl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (3, 5Dimethyl4 (1pyrrolidinylmethylpyrrol2yl) methylene]3 (1,2,4triazin3 yl)2pyrazolin5one, 4 [ (4Diethylaminomethyl3,5dimethylpyrrol2yl) methylene]3 (1,2,4triazin3 yl)2pyrazolin5one, <BR> <BR> 4 {[4(2Cyclopropylaminoethyl)3, 5dimethylpyrrol2yl] methylene}3(1,2,4<BR> <BR> <BR> <BR> <BR> triazin3yl)2pyrazolin5one, 4 {[3,5dimethyl4(2ethylaminoethyl)pyrrol2yl]methylene}3(1, 2,4triazin3 yl)2pyrazolin5one, 4 {[3,5dimethyl4(2phenylaminoethyl)pyrrol2yl]methylene}3(1, 2,4triazin3 yl)2pyrazolin5one, 4 { {3,5dimethyl4 [2 (4pyridylmethylamino) ethyl] pyrrol2yl} methylene}3 (1,2,4triazin3yl)2pyrazolin5one, 4 { [4 (2Carboxyethyl)3,5dimethylpyrrol2yl] methylene}3 (1, 2,4triazin3yl)2 pyrazolin5one, 4[(4Diethylaminomethyl3isopropyl5methylpyrrol2yl)methylene]3(1,2,4 triazin3yl)2pyrazolin5one, 4 {[4(1Pirrolidinylmethyl)3isopropyl5methylpyrrol2yl]methylene}3(1, 2,4 triazin3yl)2pyrazolin5one, <BR> <BR> 4 { {3Isopropyl5methyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3<BR> <BR> <BR> <BR> <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one, 4{[4(2cyclopropylaminoethyl3isopropyl5methylpyrrol2yl]methylene}3 <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { {4[3(1Pyrrolidinyl) propyl]3isopropyl5methylpyrrol2yl} methylene}3<BR> <BR> <BR> <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { [3Isopropyl5methyl4 (4piperidinobutyl) pyrrol2yl] methylene}3 (1, 2, 4 triazin3yl)2pyrazolin5one, 4 { {4 [3 (4Pyndylmethylammo) propyl]3isopropyl5methylpyrrol2 yl} methylene]3(1, 2,4triazin3yl)2pyrazolin5one, 4{[4(4Dimethylaminobutyl)3isopropyl5methylpyrrol2yl]methylene}3 <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 [ (3Cyclopropyl4diethylaminomethyl5methylpyrrol2yl) methylene]3 (1,2,4 triazin3yl)2pyrazolin5one, 4{{3cyclopropyl5methyl4[2(1pyrrolidinyl)ethyl]pyrrol2yl}methylene}3 (1,2,4triazin3yl)2pyrazolin5one, 4 { {3Cyclopropyl4[2di (methoxyethyl) aminoethyl]5methylpyrrol2 yl} methylene}3(1, 2,4triazin3yl)2pyrazolin5one, 4 {[3Cyclopropyl4(3diethylaminopropyl)5methylpyrrol2yl] methylene}3 <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { {3Cyclopropyl4 [3 (2, 5dimethyl1pyrrolidinyl) propyl]5methylpyrrol2<BR> <BR> <BR> <BR> <BR> yl} methylene}3 (1,2,4triazin3yl)2pyrazolin5one, 4{[3Cyclopropyl5methyl4(3phenylmethylaminopropyl)pyrrol2 yl] methylene}3 (1,2,4triazin3yl)2pyrazolin5one, 4 { {3Cyclopropyl5methyl4[4(1pyrrolidinyl) butyl] pyrrol2yl} methylene}3 (1,2,4triazin3yl)2pyrazolin5one, 4 {[3cyclopropyl5methyl4(4cyclobutylaminobutyl) pyrrol2yl] methylene}3 <BR> <BR> (1,2,4triazin3yl)2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 {[4(2Diethylaminoethyl)5methyl3trifluoromethylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { {5Methyl4[2(1pyrrolidinylethyl)]3trifluoromethylpyrrol2yl} methylene} 3pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminoethyl)5methyl3trifluoromethylpyrrol2y !] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl4 [2 (4pyridiylmethylaminoethyl)]3trifluoromethylpyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, <BR> <BR> 4 { {4 [2 (1Imidazoyl) ethyl]5methyl3thfluoromethylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Aminoethyl)5methyl3trifluoromethylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Diethylaminoethyl)5methyl3tertbutylpyrrol2yl] methylene}3 <BR> <BR> pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { {5Methyl4[2(1pyrrolidinylethyl)]3tertbutylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Ethylaminoethyl)5methyl3tertbutylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl4 [2 (4pyridiylmethylaminoethyl)]3tertbutylpyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) ethyI]5methyl3tertbutylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Aminoethyl)5methyl3tertbutylylpyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4{[4(2Diethylaminoethyl)3ethyl5methylpyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4{{3Ethyl5methyl4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [3Ethyl4 (2ethylaminoethyl)5methylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { {3Ethyl5methyl4[2(4pyridiylmethylaminoethyl)] pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 f4 [2 (lImidazoyl) ethyl]5methyl3ethylpyrrol2yl} methylene}3pyrazinyl 2pyrazolin5one, 4 { [4(2Aminoethyl)5methyl3ethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { [3Cyclobutyl4(2diethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclobutyl5methyl4 [2 (lpyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [3Cyclobutyl4 (2ethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclobutyl5methyl4[2(4pyridiylmethylaminoethyl)] pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 ( 1Imidazoyl) ethyl]5methyl3cyclobutylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Aminoethyl)5methyl3cyclobutylpyrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4 { [3Cyclopentyl4(2diethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclopentyl5methyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4f [3Cyclopentyl4 (2ethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { 3Cyclopentyl5methyl4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl) ethyl]5methyl3cyclopentylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Aminoethyl)5methyl3cyclopentylpyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one 4{[3Cyclohexyl4(2diethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclohexyl5methyl4 [2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazo lin5one, 4 { [3CycloheXyl4(2ethylaminoethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { 3Cyclohexyl5methyl4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)ethyl]5methyl3cyclohexylpyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Aminoethyl)5mehtyl3cyclohexylpyrrol2yl]methylene}3pyrazinyl2 pyrazolin5one, 4{[4(2Diethylaminoethyl)5methyl3phenylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3phenyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Ethylaminoethyl)5methyl3phenylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4{{5Methyl3phenyl4[2(4pyridiylmethylaminoethyl)]pyrrol2yl}methylene} 3pyrazinyl2pyrazolin5one, 4{{4[291Imidazoyl)ethyl]5methyl3phenylpyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4f [4 (2Aminoethyl)5methyl3phenylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3 (4methoxyphenyl) pyrrol2yl] methylene} 3pyrazinyl2pyrazolin5one, 4{[5methyl3(4methoxyphenyl)4[291pyrrolidinylethyl)]pyrrol2 <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> 4 { [4 (2Ethylaminoethyl)5methyl3 (4methoxyphenyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{[5Methyl394methoxyphenyl)4[2(4pyridiylmethylaminoethyl)]pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl)ethyl]5methyl3(4methoxyphenyl) pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{[4(2Aminoethyl)5methyl394methoxyphenyl0pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3 (2pyridyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{5Methyl3(2pyridyl)4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Ethylaminoethyl)5methyl3(2pyridyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 {5Methyl3 (2pyridyl)4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)ethyl]5methyl3(2pyridyl)pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Aminoethyl)5methyl3 (2pyridyl) pyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3pyrazinylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3pyrazinyl4[2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminoethyl)5methyl3pyrazinylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3pyrazinyl4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)ethyl]5methyl3pyrazinylpyrrol2yl}methylene}3 <BR> <BR> pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> 4 { [4 (2Cyclopropylaminoethyl)5methyl3pyrazinylpyrrol2yl] methyIene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3 (2imidazoyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { {5Methyl3(2imidazoyl)4 [2(1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Ethylaminoethyl)5methyl3(2imidazoyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3 (2imidazoyl)4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 {f4 [2 (1Imidazoyl) ethyl]5methyl3 (2imidazoyl) pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Cyclopropylaminoethyl)5methyl3(2imidazoyl) pyrrol2yl] methylene} 3pyrazinyl2pyrazolin5one, 4{[4(2Diethylaminoethyl)5methyl3(2pyrimidinyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4{[5Methyl3(2pyrimidinyl)4[2(1pyrrolidinylethyl0]pyrrol2yl}methylene} 3pyrazinyl2pyrazolin5one, 4{[4(2Ethylaminoethyl)5methyl3(2pyrimidinyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3 (2 pyrimidinyl)4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4{{4[291Imidazoyl)ethyl]5methyl3(2pyrimidinyl)pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)5methyl3 (2pyrimidinyl) pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3 (3isoxazolyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazo lin5one, 4f {5Methyl3 (3isoxazolyl)4 [2 (1pyrrolidinylethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Ethylaminoethyl)5methyl3(3isoxazolyl0pyrrol2yl]methylene}3 pyrazinyl2pyrazo lin5one, 4f {5Methyl3 (3isoxazolyl)4 [2 (4pyridylmethylaminoethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl) ethyl]5methyl3(3isoxazolyl) pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)5methyl3(3isoxazolyl)pyrrol2yl]methylene} 3pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)5methyl3 (2furyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{5Methyl3(2furyl)4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Ethylaminoethyl)5methyl3(2furyl)pyrrol2yl]methylene}3pyrazinyl <BR> <BR> 2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { {5Methyl3 (2furyl)4 [2 (4pyridiylmethylaminoethyl)] pyrrol2<BR> <BR> <BR> <BR> <BR> yl}methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { {4 [2 (1Imidazoyl) ethyl]5methyl3 (2furyl) pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminoethyl)5methyl3(2furyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { [4(2Diethylaminoethyl)5hydroxymethyl3isopropylpyrrol2yl] methylene} 3pyrazinyl2pyrazolin5one, 4 { {5Hydroxymethyl3isopropyl4 [2 (lpyrrolidinylethyl)] pyrrol2 <BR> <BR> yl}methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> 41 [4 (2Ethylaminoethyl)5hydroxymethyl3isopropylpyrrol2yl] methylenel3<BR> <BR> <BR> <BR> <BR> pyrazinyl2pyrazolin5one, 4 { 5Hydroxymethyl3isopropyl4 [2 (4pyridiylmethylaminoethyl)] pyrrol2 <BR> <BR> yl}methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> 4 { {4 [2 (llmidazoyl) ethyl]5hydroxymethyl3isopropylpyrrol2yl} methylene} 3pyrazinyl2pyrazolin5one, 4 { [4 (2Cyclopropylaminoethyl)5hydroxymethyl3isopropylpyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminoethyl)3,5dicyclopropylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, 4{{3,5Dicyclopropyl4[2(1pyrrolidinylethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Ethylaminoethyl)3, 5dicyclopropylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, <BR> <BR> 4 { {3,5Dicyclopropyl4 [2 (4pyridiylmethylaminoethyl)] pyrrol2yl} methylene} 3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) ethyl]3,5dicyclopropylpyrrol2yl} methylene}3pyrazinyl 2pyrazolin5one, 4 { [4(2Cyclopropylaminoethyl)3, 5dicyclopropylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Diethylaminomethyl)5methyl3trifluoromethylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4f [4 (2Dimethylaminomethyl)5methyl3trifluoromethylpyrrol2yl] methylene}<BR> <BR> <BR> <BR> <BR> 3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { {5Methyl4 [2(1pyrrolidinylmethyl)]3trifluoromethylpyrrol2<BR> <BR> <BR> <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminomethyl)5methyl3trifluoromethylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl4 [2 (4pyridiylmethylaminomethyl)]3trifluoromethylpyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl) methyl]5methyl3trifluoromethylpyrrol2yl} methylene} 3pyrazinyl2pyrazolin5one, 4 { [4(2Aminomethyl)5methyl3trifluoromethylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Diethylaminomethyl)5methyl3tertbutylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4{[492Dimethylaminomethyl)5methyl3tertbutylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4{{5Methyl4[2(1pyrrolidinylmethyl)]3tertbutylpyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Ethylaminomethyl)5methyl3tertbutylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl4 [2 (4pyridiylmethylaminomethyl)]3tertbutylpyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) methyl]5methyl3tertbutylpyrrol2yl} methylene)3<BR> <BR> <BR> <BR> <BR> <BR> <BR> pyrazinyl2pyrazolin5one, 4 { [4 (2Aminomethyl)5methyl3tertbutylylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, <BR> <BR> 41 [4 (2Diethylaminomethyl)3ethyl5methylpyrrol2yl] methylenel3pyrazinyl 2pyrazolin5one, 4 { [4 aminomethyl)3ethyl5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Ethyl5methyl4 [2 (1pyrrolidiny ! methyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [3Ethyl4(2ethylaminomethyl)5methylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4{{3Ethyl5methyl4[2(4pyridiylmethylaminomethyl)]pyrrol2yl]methylene} 3pyrazinyl2pyrazolin5one, 4 { {4 [2 (1Imidazoyl) mcthyl]5methyl3ethylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Aminomethyl)5methyl3ethylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4 { [3Cyclobutyl4(2diethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { [3Cyclobutyl4 (2dimethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclobutyl5methyl4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [3Cyclobutyl4 (2ethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {3Cyclobutyl5methyl4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 {f4 [2 (1Imidazoyl) methyl]5methyl3cyclobutylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Aminomethyl)5methyl3cyclobutylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, 4 { [3Cyclopentyl4(2diethylaminomethyl)5methylpyrrol2yl] methylene}3 <BR> <BR> pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4f [3Cyclopentyl4 (2dimethylaminomethyl)5methylpyrrol2yl] methylene)3 pyrazinyl2pyrazolin5one, 4{{3Cyclopentyl5methyl4[291pyrrolidinylmethyl)]pyrrol2yl}methylene}3 <BR> <BR> pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> <BR> 4 { [3Cyclopentyl4(2ethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazo lin5one, 4 { {3Cyclopentyl5methyl4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (1Imidazoyl) methyl]5methyl3cyclopentylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Aminomethyl)5methyl3cyclopentylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one 4 { [3Cyclohexyl4 (2diethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 {[3CycloheXyl4(2dimethylaminomethyl)5methylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{3cyclohexyl5methyl4[2(1pyrrolidinylmethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [3Cyclohexyl4 (2ethylaminomethyl)5methylpyrrol2yl] methylene}3<BR> <BR> <BR> <BR> <BR> <BR> pyrazinyl2pyrazolin5one, 4{{3cyclohexyl5methyl4[2(4pyridiylmethylaminomethyl)]pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)methyl]5methyl3cyclohexylpyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4f [4 (2Aminomethyl)5methyl3cyclohexylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, 4{[4(2Diethylaminomethyl)5methyl3phenylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Dimethylaminomethyl05methyl3phenylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3phenyl4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [4 (2Ethylaminomethyl)5methyl3phenylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, 4 { {5Methyl3phenyl4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { {4 [2 (llmidazoyl) methyl]5methyl3phenylpyrrol2yl} methylenc}3 pyrazinyl2pyrazolin5one, 4 { [4(2Aminomethyl)5methyl3phenylpyrrol2yl] methylene}3pyrazinyl2 pyrazolin5one, 4{[4(2Diethylaminomethyl)5methyl3(4methoxyphenyl0pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4{[4(2Dimethylaminomethyl)5methyl3(4methoxyphenyl)pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {5Methyl3(4methoxyphenyl)4[2(1pyrrolidinylmethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminomethyl)5methyl3 (4methoxyphenyl) pyrrol2yl] methylene} 3pyrazinyl2pyrazolin5one, 4{{5Methyl3(4methoxyphenyl)4[2(4pyridiylmethylaminomethyl)]pyrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) methyl]5methyl3 (4methoxyphenyl) pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [4 (2Aminomethyl)5methyl3 (4methoxyphenyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Diethylaminomethyl)5methyl3(2pyridyl)pyrol2yl]methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 {[4(2Dimethylaminomethyl)5methyl3(2pyridyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3(2pyridyl)4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminomethyl)5methyl3 (2pyridyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 {5Methyl3 (2pyridyl)4 [2 (4pyridylmethylaminomethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl) methyl]5methyl3(2pyridyl) pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Aminomethyl)5methyl3(2pyridyl)pyrrol2yl]methylene}3pyrazinyl 2pyrazolin5one, 4 { [4 (2Diethylaminomethyl)5methyl3pyrazinylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [4 (2Dimethylaminomethyl)5methyl3pyrazinylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4{ {5Methyl3pyrazinyl4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4f [4 (2Ethylaminomethyl)5methyl3pyrazinylpyrrol2yl] methylene}3<BR> <BR> <BR> <BR> <BR> pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 { {5Methyl3pyrazinyl4 [2 (4pyridiylmethylaminomethyl)] pyrrol2<BR> <BR> <BR> <BR> <BR> yl}methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) methyl]5methyl3pyrazinylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Cyclopropylaminomethyl)5methyl3pyrazinylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminomethyl)5methyl3 (2imidazoyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { [4 (2Dimethylaminomethyl)5methyl3 (2imidazoyl) pyrrol2yl] methylene} 3pyrazinyl2pyrazolin5one, <BR> <BR> 4 { {5Methyl3(2imidazoyl)4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene} 3pyrazinyl2pyrazolin5one, <BR> <BR> 4f [4 (2Ethylaminomethyl)5methyl3 (2imidazoyl) pyrrol2yl] methylenel3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3 (2imidazoyl)4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)methyl]5methyl3(2imidazoyl)pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminomethyl)5methyl3(2imidazoyl)pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4{[4(2Diethylaminomethyl)5methyl392pyrimidinyl)pyrrol2yl]methylene} 3pyrazinyl2pyrazolin5one, 4{[4(2dimethylaminomethyl)5methyl392pyrimidinyl)pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4f {5Methyl3 (2 pyrimidinyl)4 [2 (1pyrrolidinylmethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{[4(Ethylaminomethyl)5methyl3(2pyrimidinyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {5Methyl3 (2 pyrimidinyl)4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)methyl]5methyl3(2pyrimidinyl)pyrrol2yl}methylene} 3pyrazinyl2pyrazolin5one, 4{[4(2cyclopropylaminomethyl)5methyl3(2pyrimidinyl)pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4{[4(2Diethylaminoethyl)5methyl3(3isoxazolyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 41 [4 (2Dimethylaminoethyl)5methyl3 (3isoxazolyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{5Methyl393isoxazolyl)4[2(1pyrrolidinylmethyl)]pyrrol2yl}methylene} 3pyrazinyl2pyrazolin5one, 4 { [4 (2Ethylaminomethyl)5methyl3 (3isoxazolyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{{5methyl3(3isoxazolyl)4[294pyridylmethylaminomethyl)]pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl)methyl]5methyl3(3isoxazolyl) pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminomethyl)5methyl3(3isoxazolyl)pyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminomethyl)5methyl3 (2furyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2Dimethylaminomethyl)5methyl3(2furyl)pyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4{{5Methyl3(2furyl)4[2(1pyrrolidinylmethyl)]pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 { [4(2Ethylaminomethyl)5methyl3(2furyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4 { 5Methyl3 (2furyl)4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4{{4[2(1Imidazoyl)methyl]5methyl3(2furyl)pyrrol2yl}methylene}3 pyrazinyl2pyrazolin5one, 4 {[4(2Cyclopropylaminomethyl)5methyl392furyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, <BR> <BR> 4 { [4 (2Diethylaminomethyl)5hydroxymethyl3isopropylpyrrol2<BR> <BR> <BR> <BR> <BR> yl]methylene}3pyrazinyl2pyrazolin5one, 4 { [4(2Dimethylaminomethyl)5hydroxymethyl3isopropylpyrrol2 yl]methylene}3pyrazinyl2pyrazolin5one, 4 { {5Hydroxymethyl3isopropyl4 [2(1pyrrolidinylmethyl)] pyrrol2 <BR> <BR> yl} methylene}3pyrazinyl2pyrazolin5one,<BR> <BR> <BR> <BR> <BR> 4 {[4(2Ethylaminomethyl)5hydroxymethyl3isopropylpyrrol2yl] methylene}<BR> <BR> <BR> <BR> <BR> 3pyrazinyl2pyrazolin5one, 4 { 5Hydroxymethyl3isopropyl4 [2 (4pyridiylmethylaminomethyl)] pyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4 { {4 [2 (lImidazoyl) methyl]5hydroxymethyl3isopropylpyrrol2 yl}methylene}3pyrazinyl2pyrazolin5one, 4{[4(2Cyclopropylaminomethyl)5hydroxymethyl3isopropylpyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { [4 (2Diethylaminomethyl)3,5dicyclopropylpyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one, 4{[4(2dimethylaminomethyl)3,5dicyclopropylpyrrol2yl]methylene}3 pyrazinyl2pyrazolin5one, 4 { {3,5Dicyclopropyl4[2(1pyrrolidinylmethyl)] pyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 { [4(2Ethylaminomethyl)3, 5dicyclopropylpyrrol2yl] methylene}3pyrazinyl 2pyrazolin5one, 4 { {3, 5Dicyclopropyl4[2(4pyridiylmethylaminomethyl)] pyrrol2 yl} methylene}3pyrazinyl2pyrazolin5one, 4 { {4[2(1Imidazoyl)methyl]3,5dicyclopropylpyrrol2yl} methylene}3 pyrazinyl2pyrazolin5one, 4 [ (4Cyclopropylaminomethyl3, 5dicyclopropylpyrrol2yl) methylene]3 pyrazinyl2pyrazolin5one, 4f [3Cyclopropylaminomethyl5methyl4 (2diethylaminoethyl) pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { [3Cyclopropylaminomethyl5methyl4 (2hydroxyethyl) pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, 4 { [3dimethylaminomethyl5methyl4(2diethylaminoethyl) pyrrol2 yl] methylene}3pyrazinyl2pyrazolin5one, and 4 { [3hydroxymethyl5methyl4 (2diethylaminoethyl) pyrrol2yl] methylene}3 pyrazinyl2pyrazolin5one.
23. The compound of Claim 18 wherein the compound is a mixture of stereoisomers.
24. The compound of Claim 23 wherein the stereoisomers are enantiomers.
25. The compound of Claim 24 wherein the stereoisomers are E and Z isomers.
26. The compound of Claim 18 wherein the compound is a mixture of structural isomers.
27. The compound of Claim 26 wherein the structural isomers are tautomers.
28. A method of inhibiting one or more protein kinase activities comprising the administration of a compound of Claim 18.
29. The method according to Claim 28 wherein said compound is administered to a recipient in need of having one or more protein kinase inhibited.
30. The method of Claim 29 wherein the compound is a mixture of stereoisomers.
31. The method of Claim 30 wherein the stereoisomers are enantiomers.
32. The method of Claim 30 wherein the stereoisomers are E and Z isomers.
33. The method of Claim 29 wherein the compound is a mixture of structural isomers.
34. The method of Claim 29 wherein the structural isomers are tautomers.
35. The method of Claim 29 wherein said protein kinase is a tyrosine kinase.
36. The method according to Claim 35 wherein said tyrosine kinase is selected from the group consisting of KDR, Flt1, TIE2, Lck, Src, fyn, Lyn, Blk, and yes.
37. A method of affecting hyperproliferative disorders in a recipient comprising the administration of a compound of Claim 18 to said recipient.
38. A method of affecting angiogenesis in a recipient comprising the administration of a compound of Claim 18 to said recipient.
39. A pharmaceutical composition comprising a compound of Claim 18 and a pharmaceutically acceptable carrier or diluent.
40. A pharmaceutical composition comprising a compound of Claim 22 and a pharmaceutically acceptable carrier or diluent.
41. A compound according to Claim 18 wherein R is substituted with one or more substituents, each independently selected from the group consisting of halogens, lower alkyl groups, R30, hydroxy, HOC (O), ROC (O), R3OC (O) R6, R'OR6, trihalomethyl, trihalomethylcarbonyl, nitro, R3CO,(CH2)nR7,C(O)(CH2)nR7,C(O)(CH2)nC(O)NR4R5,NR4R5, C(O)NR4(CH2)nR7,C(O)O(CH2)nR7,C(O)R7,O(CH2)nR7, OC (O) (CH2) nR',NR4CO) (CH2) nR',R6N4R5,R6N (R4)R6R',R6N (R6_ R7)2,R6OC(O)(CH2)nR7, R6C(O)O(CH2)nR7, R6NR4C (O) (CH2) nR',R6CH (C (O) oR4) (NR5C (o) R4) an optionally substituted aryl and an optionally substituted aralkyl group; wherein the optionally substituted aryl and optionally substituted aralkyl groups are optionally substituted with one or more substituents selected from the group consisting of halogen, trihalomethyl, hydroxy, NR4R5, nitro,CONR4R5, lower alkyl group, R30,C (O) OR4 andOC (O) R3 ; R6 is a lower alkyl group or an aryl group; and R7 is alkoxy, haloalkyl, lower alkyl piperazine, hydroxy, R30, R'C (O) orNR4R5.
42. A compound of Claim 41, wherein R is pyrrolyl, indolyl, azaindolyl, phenyl, pyrazolyl, imidazolyl, thienyl, 4,5,6,7tetrahydroindolyl, or quinolinyl.
43. A compound of Claim 42, wherein R is pyrrol2yl, pyrrol3yl, indol2yl, indol3yl, azaindol3yl, pyrazol4yl, imidazol2yl, imidazol4yl, thien2 yl or quinolin5yl.
44. A compound of Claim 18 or 43, wherein R'is trifluoromethyl, amino, cyclopropylamino, methyl, ethyl, propyl, isopropyl, cyclopropyl, 2 methylcyclopropyl, 2,2,3,3tetramethylcyclopropyl, 2phenylcyclopropyl, cyclobutyl, cyclopentyl, (CH2)pO(4 (CH2)pOphenyl, (CH2)pO(4methylphenyl),methoxyphenyl0,(CH2)pO(4chlorophenyl), (CH2)pO(4(CH2)pO(3methylphenyl),(CH2)pO(4phenylphenyl), (CH2)pO(4aminophenyl),hydroxyphenyl),(CH2)pO(4nitrophenyl), (CH2)pO94carbamoylphenyl),(CH2)pO(4methoxycarbonylphenyl), NHphenyl,NH (4methoxyphenyl),NH (4chlorophenyl),NH (4 fluorophenyl),NH (4isopropylphenyl), isopropoxy, ethoxy, (CH2)ppyridyl,(CH2)pbenzothiazolyl,cyclopentyloxy,(CH2)pindolyl, (CH2)ppyrazinyl,(CH2)pfuryl,(CH2)ppyrrolyl,(CH2)ptetrahydrofuryl, (CH2)pisoxazolyl,(CH2)p(5(CH2)pthienyl,(CH2)pphenyl, methylisoxazolyl),(CH2) ppyrimidinyl,(CH2) ppyridazinyl,(CH2) nC (O) OMe, (CHZ),C (O)OEt and benzyl optionally substituted with one or more of Cl, F, OMe, methyl or amino where p is an integer from 1 to 3.
45. A compound of Claim 44, wherein R is optionally substituted with one or more moieties selected from the group consisting of Br, Cl, F, aminomethyl, N, Ndimethylaminomethyl, carboxy, carboxymethyl, carboxyethyl, carbonylmethyl, carbonylethyl, methoxycarbonyl, ethoxycarbonyl, phenyl, 4 morpholinomethyl,C (O)O(CH2) 2N (Me) 2,C (O)O(CH2) 2N (Et) 2,C (O) OCH2N (Me) 2,C (O)O (CH2) 2N (Me) 2,C (O)NH (CH2) 2N (Me) 2,CH2 NHC (O)CF3 and an optionally substituted moiety selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl and phenyl, where said optionally substituted moiety is optionally substituted with one or more of Br, Cl, F, hydroxy, nitro, amino or lower alkyl.
Description:
2-PYRAZOLIN-5-ONES RELATED APPLICATION (S) This application claims the benefit of U. S. Provisional Application No.: 60/146,563, filed July 30,1999, the entire teachings of which are incorporated herein by reference.

This invention relates to certain 2-pyrazolin-5-ones which are inhibitors of protein kinases, particularly tyrosine kinases and serine/threonine kinases, of which some are novel compounds, to pharmaceutical compositions containing these pyrazolinones and to processes for preparing these pyrazolinones.

BACKGROUND OF THE INVENTION There are at least 400 enzymes identified as protein kinases. These enzymes catalyze the phosphorylation of target protein substrates. The phosphorylation is usually a transfer reaction of a phosphate group from ATP to the protein substrate.

The specific structure in the target substrate to which the phosphate is transferred is a tyrosine, serine or threonine residue. Since these amino acid residues are the target structures for the phosphoryl transfer, these protein kinase enzymes are commonly referred to as tyrosine kinases or serine/threonine kinases.

The phosphorylation reactions, and counteracting phosphatase reactions, at the tyrosine, serine and threonine residues are involved in countless cellular processes that underlie responses to diverse intracellular signals (typically mediated through cellular receptors), regulation of cellular functions, and activation or deactivation of cellular processes. A cascade of protein kinases often participate in intracellular signal transduction and are necessary for the realization of these cellular processes. Because of their ubiquity in these processes, the protein kinases can be found as an integral part of the plasma membrane or as cytoplasmic enzymes or localized in the nucleus, often as components of enzyme complexes. In many instances, these protein kinases are an essential element of enzyme and structural protein complexes that determine where and when a cellular process occurs within a cell.

Protein Tyrosine Kinases. Protein tyrosine kinases (PTKs) are enzymes which catalyze the phosphorylation of specific tyrosine residues in cellular proteins.

This post-translational modification of these substrate proteins, often enzymes themselves, acts as a molecular switch regulating cell proliferation, activation or differentiation (for review, see Schlessinger and Ulrich, 1992, Neuron 9: 383-391).

Aberrant or excessive PTK activity has been observed in many disease states including benign and malignant proliferative disorders as well as diseases resulting from inappropriate activation of the immune system (e. g., autoimmune disorders), allograft rejection, and graft vs. host disease. In addition, endothelial-cell specific receptor PTKs such as KDR and Tie-2 mediate the angiogenic process, and are thus involved in supporting the progression of cancers and other diseases involving inappropriate vascularization (e. g., diabetic retinopathy, choroidal neovascularization due to age-related macular degeneration, psoriasis, arthritis, retinopathy of prematurity, infantile hemangiomas).

Tyrosine kinases can be of the receptor-type (having extracellular, transmembrane and intracellular domains) or the non-receptor type (being wholly intracellular).

Receptor Tyrosine Kinases (RTKs). The RTKs comprise a large family of transmembrane receptors with diverse biological activities. At present, at least nineteen (19) distinct RTK subfamilies have been identified. The receptor tyrosine kinase (RTK) family includes receptors that are crucial for the growth and differentiation of a variety of cell types (Yarden and Ullrich, Ann. Rev. Biochem.

57: 433-478,1988; Ullrich and Schlessinger, Cell 61: 243-254,1990). The intrinsic function of RTKs is activated upon ligand binding, which results in phosphorylation of the receptor and multiple cellular substrates, and subsequently in a variety of cellular responses (Ullrich & Schlessinger, 1990, Cell 61: 203-212). Thus, receptor tyrosine kinase mediated signal transduction is initiated by extracellular interaction with a specific growth factor (ligand), typically followed by receptor dimerization, stimulation of the intrinsic protein tyrosine kinase activity and receptor trans- phosphorylation. Binding sites are thereby created for intracellular signal

transduction molecules and lead to the formation of complexes with a spectrum of cytoplasmic signaling molecules that facilitate the appropriate cellular response.

(e. g., cell division, differentiation, metabolic effects, changes in the extracellular microenvironment) see Schlessinger and Ullrich, 1992, Neuron 9: 1-20.

Proteins with SH2 (src homology-2) or phosphotyrosine binding (PTB) domains bind activated tyrosine kinase receptors and their substrates with high affinity to propagate signals into cell. Both of the domains recognize phosphotyrosine. (Fantl et al., 1992, Cell 69: 413-423; Songyang et al., 1994, Mol.

Cell. Biol. 14: 2777-2785; Songyang et al., 1993, Cell 72: 767-778; and Koch et al., 1991, Science 252: 668-678; Shoelson, Curr. Opin. Chem. Biol. (1997), 1 (2), 227- 234; Cowburn, Curr. Opin. Struct. Biol. (1997), 7 (6), 835-838). Several intracellular substrate proteins that associate with receptor tyrosine kinases (RTKs) have been identified. They may be divided into two principal groups: (1) substrates which have a catalytic domain; and (2) substrates which lack such a domain but serve as adapters and associate with catalytically active molecules (Songyang et al., 1993, Cell 72: 767-778). The specificity of the interactions between receptors or proteins and SH2 or PTB domains of their substrates is determined by the amino acid residues immediately surrounding the phosphorylated tyrosine residue. For example, differences in the binding affinities between SH2 domains and the amino acid sequences surrounding the phosphotyrosine residues on particular receptors correlate with the observed differences in their substrate phosphorylation profiles (Songyang et al., 1993, Cell 72: 767-778). Observations suggest that the function of each receptor tyrosine kinase is determined not only by its pattern of expression and ligand availability but also by the array of downstream signal transduction pathways that are activated by a particular receptor as well as the timing and duration of those stimuli. Thus, phosphorylation provides an important regulatory step which determines the selectivity of signaling pathways recruited by specific growth factor receptors, as well as differentiation factor receptors.

Several receptor tyrosine kinases such as FGFR-1, PDGFR, and c-Met, and growth factors that bind thereto, have been suggested to play a role in angiogenesis, although some may promote angiogenesis indirectly (Mustonen and Alitalo, J Cell

Biol. 129: 895-898,1995). One such receptor tyrosine kinase, known as"fetal liver kinase 1" (FLK-1), is a member of the type III subclass of RTKs. An alternative designation for human FLK-1 is"kinase insert domain-containing receptor" (KDR) (Terman et al., Oncogene 6: 1677-83,1991). Another alternative designation for FLK-1/KDR is"vascular endothelial cell growth factor receptor 2" (VEGFR-2) since it binds VEGF with high affinity. The murine version of FLK-1/VEGFR-2 has also been called NYK (Oelrichs et al, Oncogene 8 (1): 11-15,1993). DNAs encoding mouse, rat and human FLK-1 have been isolated, and the nucleotide and encoded amino acid sequences reported (Matthews et al., Proc. Natl. Acad. Sci. USA, 88: 9026-30,1991; Terman et al., 1991, supra; Terman et al., Biochem. Biophys.

Res. Comm. 187: 1579-86,1992; Sarzani et al., supra; and Millauer et al., Cell 72: 835-846,1993). Numerous studies such as those reported in Millauer et al., supra, suggest that VEGF and FLK-1/KDR/VEGFR-2 are a ligand-receptor pair that play an important role in the proliferation of vascular endothelial cells, and formation and sprouting of blood vessels, termed vasculogenesis and angiogenesis, respectively.

Another type III subclass RTK designated"fins-like tyrosine kinase-1" (Flt- 1) is related to FLK-1/KDR (DeVries et al. Science 255; 989-991,1992; Shibuya et al., Oncogene 5: 519-524,1990). An alternative designation for Flt-1 is"vascular endothelial cell growth factor receptor 1" (VEGFR-1). To date, members of the FLK-1/KDR/VEGFR-2 and Flt-1/VEGFR-1 subfamilies have been found expressed primarily on endothelial cells. These subclass members are specifically stimulated by members of the vascular endothelial cell growth factor (VEGF) family of ligands (Klagsburn and D'Amore, Cytokine & Growth Factor Reviews 7: 259- 270,1996). Vascular endothelial cell growth factor (VEGF) binds to Flt-1 with higher affinity than to FLK-1/KDR and is mitogenic toward vascular endothelial cells (Terman et al., 1992, supra; Mustonen et al. supra; DeVries et al., supra). Flt- 1 is believed to be essential for endothelial organization during vascular development. Flt-1 expression is associated with early vascular development in mouse embryos, and with neovascularization during wound healing (Mustonen and Alitalo, supra). Expression of Flt-1 in adult organs such as kidney glomeruli

suggests an additional function for this receptor that is not related to cell growth (Mustonen and Alitalo, supra).

As previously stated, recent evidence suggests that VEGF plays a role in the stimulation of both normal and pathological angiogenesis (Jakeman et al., Endocrinology 133: 848-859,1993; Kolch et al., Breast Cancer Research and Treatment 36 : 139-155,1995; Ferrara et al., Endocrine Reviews 18 (1); 4-25,1997; Ferrara et al., Regulation of Angiogenesis (ed. L. D. Goldberg and E. M. Rosen), 209-232,1997). In addition, VEGF has been implicated in the control and enhancement of vascular permeability (Connolly, et al., J. Biol. Chem. 264: 20017- 20024,1989; Brown et al., Regulation ofAngiogenesis (ed. L. D. Goldberg and E. M.

Rosen), 233-269,1997).

Different forms of VEGF arising from alternative splicing of mRNA have been reported, including the four species described by Ferrara et al. (J. Cell.

Biochem. 47: 211-218,1991). Both secreted and predominantly cell-associated species of VEGF have been identified by Ferrara et al. supra, and the protein is known to exist in the form of disulfide linked dimers.

Several related homologues of VEGF have recently been identified.

However, their roles in normal physiological and disease processes have not yet been elucidated. In addition, the members of the VEGF family are often coexpressed with VEGF in a number of tissues and are, in general, capable of forming heterodimers with VEGF. This property likely alters the receptor specificity and biological effects of the heterodimers and further complicates the elucidation of their specific functions as illustrated below (Korpelainen and Alitalo, Curr. Opin. Cell Biol., 159-164,1998 and references cited therein).

Placenta growth factor (P1GF) has an amino acid sequence that exhibits significant homology to the VEGF sequence (Park et al., J. Biol. Chem. 269: 25646- 54,1994; Maglione et al. Oncogene 8: 925-31,1993). As with VEGF, different species of P1GF arise from alternative splicing of mRNA, and the protein exists in dimeric form (Park et al., supra). P1GF-1 and P1GF-2 bind to Flt-1 with high affinity, and P1GF-2 also avidly binds to neuropilin-1 (Migdal et al, J. Biol. Chem.

273 (35): 22272-22278), but neither binds to FLK-1/KDR (Park et al., supra). P1GF

has been reported to potentiate both the vascular permeability and mitogenic effect of VEGF on endothelial cells when VEGF is present at low concentrations (purportedly due to heterodimer formation) (Park et al., supra).

VEGF-B is produced as two isoforms (167 and 185 residues) that also appear to bind Flt-1/VEGFR-1. It may play a role in the regulation of extracellular matrix degradation, cell adhesion, and migration through modulation of the expression and activity of urokinase type plasminogen activator and plasminogen activator inhibitor 1 (Pepper et al, Proc. Natl. Acad. Sci. U. S. A. (1998), 95 (20): 11709-11714).

VEGF-C was originally cloned as a ligand for VEGFR-3/Flt-4 which is primarily expressed by lymphatic endothelial cells. In its fully processed form, VEGF-C can also bind KDR/VEGFR-2 and stimulate proliferation and migration of endothelial cells in vitro and angiogenesis in in vivo models (Lymboussaki et al, Am. J. Pathol. (1998), 153 (2): 395-403; Witzenbichler et al, Am. J. Pathol. (1998), 153 (2), 381-394). The transgenic overexpression of VEGF-C causes proliferation and enlargement of only lymphatic vessels, while blood vessels are unaffected.

Unlike VEGF, the expression of VEGF-C is not induced by hypoxia (Ristimaki et al, J. Biol. Chem. (1998), 273 (14), 8413-8418).

The most recently discovered VEGF-D is structurally very similar to VEGF- C. VEGF-D is reported to bind and activate at least two VEGFRs, VEGFR-3/Flt-4 and KDR/VEGFR-2. It was originally cloned as a c-fos inducible mitogen for fibroblasts and is most prominently expressed in the mesenchymal cells of the lung and skin (Achen et al, Proc. Natl. Acad. Sci. U. S. A. (1998), 95 (2), 548-553 and references therein).

As for VEGF, VEGF-C and VEGF-D have been claimed to induce increases in vascular permeability in vivo in a Miles assay when injected into cutaneous tissue (PCT/US97/14696; W098/07832, Witzenbichler et al., supra). The physiological role and significance of these ligands in modulating vascular hyperpermeability and endothelial responses in tissues where they are expressed remains uncertain.

There has been recently reported a virally encoded, novel type of vascular endothelial growth factor, VEGF-E (NZ-7 VEGF), which preferentially utilizes KDR/Flk-1 receptor and carries a potent mitotic activity without heparin-binding

domain (Meyer et al, EMBO J. (1999), 18 (2), 363-374; Ogawa et al, J. Biol. Chem.

(1998), 273 (47), 31273-31282.). VEGF-E sequences possess about 25% homology to mammalian VEGF and are encoded by the parapoxvirus Orf virus (OV). This parapoxvirus that affects sheep and goats and occasionally, humans, to generate lesions with angiogenesis. VEGF-E is a dimer of about 20 kDa with no basic domain nor affinity for heparin, but has the characteristic cystine knot motif present in all mammalian VEGFs, and was surprisingly found to possess potency and bioactivities similar to the heparin-binding VEGF165 isoform of VEGF-A, i. e. both factors stimulate the release of tissue factor (TF), the proliferation, chemotaxis and sprouting of cultured vascular endothelial cells in vitro and angiogenesis in vivo.

Like VEGF165, VEGF-E was found to bind with high affinity to VEGF receptor-2 (KDR) resulting in receptor autophosphorylation and a biphasic rise in free intracellular Ca2+ concentrations, while in contrast to VEGF165, VEGF-E did not bind to VEGF receptor-1 (Flt-1).

Based upon emerging discoveries of other homologues of VEGF and VEGFRs and the precedents for ligand and receptor heterodimerization, the actions of such VEGF homologues may involve formation of VEGF ligand heterodimers, and/or heterodimerization of receptors, or binding to a yet undiscovered VEGFR (Witzenbichler et al., supra). Also, recent reports suggest neuropilin-1 (Migdal et al, supra) or VEGFR-3/Flt-4 (Witzenbichler et al., supra), or receptors other than KDR/VEGFR-2 may be involved in the induction of vascular permeability (Stacker, S. A., Vitali, A., Domagala, T., Nice, E., and Wilks, A. F.,"Angiogenesis and Cancer"Conference, Amer. Assoc. Cancer Res., Jan. 1998, Orlando, FL; Williams, Diabetelogia 40: S 118-120 (1997)). Until now, no direct evidence for the essential role of KDR in VEGF-mediated vascular hyperpermeability has been disclosed.

The Non-Receptor Tyrosine Kinases. The non-receptor tyrosine kinases represent a collection of cellular enzymes which lack extracellular and transmembrane sequences. At present, over twenty-four individual non-receptor tyrosine kinases, comprising eleven (11) subfamilies (Src, Frk, Btk, Csk, Abl, Zap70, Fes/Fps, Fak, Jak, Ack and LIMK) have been identified. At present, the Src subfamily of non-receptor tyrosine kinases is comprised of the largest number of

PTKs and include Src, Yes, Fyn, Lyn, Lck, Blk, Hck, Fgr and Yrk. The Src subfamily of enzymes has been linked to oncogenesis and immune responses. A more detailed discussion of non-receptor tyrosine kinases is provided in Bolen, 1993, Oncogene 8: 2025-2031, which is incorporated herein by reference.

Many of the tyrosine kinases, whether an RTK or non-receptor tyrosine kinase, have been found to be involved in cellular signaling pathways involved in numerous pathogenic conditions, including cancer, psoriasis, and other hyperproliferative disorders or hyper-immune responses.

Development of Compounds to Modulate the PTKs. In view of the surmised importance of PTKs to the control, regulation, and modulation of cell proliferation, the diseases and disorders associated with abnormal cell proliferation, many attempts have been made to identify receptor and non-receptor tyrosine kinase "inhibitors"using a variety of approaches, including the use of mutant ligands (U. S.

Application No. 4,966,849), soluble receptors and antibodies (Application No. WO 94/10202; Kendall & Thomas, 1994, Proc. Natl. Acad. Sci 90: 10705-09; Kim et al., 1993, Nature 362: 841-844), RNA ligands (Jellinek, et al., Biochemistry 33: 10450- 56; Takano, et al., 1993, Mol. Bio. Cell 4: 358A; Kinsella, et al. 1992, Exp. Cell Res.

199: 56-62; Wright, et al., 1992, J. Cellular Phys. 152: 448-57) and tyrosine kinase inhibitors (WO 94/03427; WO 92/21660; WO 91/15495; WO 94/14808; U. S. Patent No. Mariani, et al., 1994, Proc. Am. Assoc. Cancer Res. 35: 2268).

More recently, attempts have been made to identify small molecules which act as tyrosine kinase inhibitors. For example, bis monocyclic, bicyclic or heterocyclic aryl compounds (PCT WO 92/20642) and vinylene-azaindole derivatives (PCT WO 94/14808) have been described generally as tyrosine kinase inhibitors. Styryl compounds (U. S. Patent No. 5,217,999), styryl-substituted pyridyl compounds (U. S. Patent No. 5,302,606), certain quinazoline derivatives (EP Application No. 0 566 266 A1; Expert Opin. Ther. Pat. (1998), 8 (4): 475-478), selenoindoles and selenides (PCT WO 94/03427), tricyclic polyhydroxylic compounds (PCT WO 92/21660) and benzylphosphonic acid compounds (PCT WO 91/15495) have been described as compounds for use as tyrosine kinase inhibitors for use in the treatment of cancer. Anilinocinnolines (PCT W097/34876) and

quinazoline derivative compounds (PCT W097/22596; PCT W097/42187) have been described as inhibitors of angiogenesis and vascular permeability.

In addition, attempts have been made to identify small molecules which act as serine/threonine kinase inhibitors. For example, bis (indolylmaleimide) compounds have been described as inhibiting particular PKC serine/threonine kinase isoforms whose signal transducing function is associated with altered vascular permeability in VEGF-related diseases (PCT W097/40830; PCT W097/40831).

Plk-1 Kinase Inhibitors Plk-1 is a serine/threonine kinase which is an important regulator of cell cycle progression. It plays critical roles in the assembly and the dynamic function of the mitotic spindle apparatus. Plk-1 and related kinases have also been shown to be closely involved in the activation and inactivation of other cell cycle regulators, such as cyclin-dependent kinases. High levels of Plk-1 expression are associated with cell proliferation activities. It is often found in malignant tumors of various origins.

Inhibitors of Plk-1 are expected to block cancer cell proliferation by disrupting processes involving mitotic spindles and inappropriately activated cyclin-dependent kinases.

Cdc2/Cyclin B Kinase Inhibitors (Cdc2 is also known as cdkl) Cdc2/cyclin B is another serine/threonine kinase enzyme which belongs to the cyclin-dependent kinase (cdks) family. These enzymes are involved in the critical transition between various phases of cell cycle progression. It is believed that uncontrolled cell proliferation, which is the hallmark of cancer is dependent upon elevated cdk activities in these cells. The inhibition of elevated cdk activities in cancer cells by cdc2/cyclin B kinase inhibitors could suppress proliferation and may restore the normal control of cell cycle progression.

The identification of effective small compounds which specifically inhibit signal transduction and cellular proliferation by modulating the activity of receptor and non-receptor tyrosine and serine/threonine kinases to regulate and modulate abnormal or inappropriate cell proliferation, differentiation, or metabolism is therefore desirable. In particular, the identification of methods and compounds that specifically inhibit the function of a tyrosine kinase which is essential for angiogenic

processes or the formation of vascular hyperpermeability leading to edema, ascites, effusions, exudates, and macromolecular extravasation and matrix deposition as well as associated disorders would be beneficial.

SUMMARY OF THE INVENTION This invention is directed to compounds of the formula and physiologically acceptable salts thereof, wherein, R is a substituted or unsubstituted aliphatic, aromatic, heterocyclic or aralkyl group, and R2 is a hydrogen, lower alkyl group or aryl group. R'is hydrogen or-A-Z, wherein A is- (CH2)n-,-(CH2)nS-,-(CH2)nS(O)-or-(CH2)nS(O)2-;andZ-(CH2)nO-, is-H, a lower alkyl, aralkyl, trihalomethyl, R3CO-, trihalomethylcarbonyl, R30C (O)- ,-NR4R5,-C (O) NR4R5, R30-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, thiophene, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole, benzothiazole, tetrahydrofuran, triazine and the applicable N-oxides thereof which can be optionally substituted with one or more halogens, a lower alkyl, R30-, HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, aryl,-CN,-C (O) NR4Rs or-NR4R5. R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group. R'and R'for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic

group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; optionally, R'and R'together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1, 4-diazepin-1-yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; Numerical index n is an integer from 0 to 3.

Suitable substitutents for R include halogens, lower alkyl groups, R30-, hydroxy, HOC (O)-, R3OC(O)-, R3OC(O)R6-, R3OR6-, trihalomethyl, trihalomethylcarbonyl, nitro,-C (O) NR'R',-NR'R', R'CO-,- (CH,),-R',- -O(CH2)nR7,-C(O)NR4(CH2)nR7,-C(O)(CH2)n-R7,-C(O)-(CH2)n-C(O) -R7, C (O) O (CH,), nR7, -OC(O)(CH2)nR7, -NR4C(O)(CH2)nR7, -R6NR4R5, -R6N(R4)-R6-R7, - -R6C(O)O(CH2)nR7,-R6OC(O)(CH2)nR7,-R6N[R6-R7]2,-R6C(O)NR4(CH 2)nR7, R6NR4C (O) (CH2) nR7,-R6CH [C (O) OR'] [NR5C (O) R4] or a substituted aryl or aralkyl group, wherein the substituent is selected from the group consisting of halogen, trihalomethyl, hydroxy,-NR4R5, nitro,-CONR4R5, lower alkyl group, R3O-, - C (O) OR4 or-OC (O) R3. R6 is a lower alkyl group or an aryl group. R7 is alkoxy, haloalkyl, lower alkyl piperazine, hydroxy, R30-, R3C (O)- or-NR4R5.

Suitable substituents for R3, R'and R'include one or more moieties selected from the group consisting of halogens, lower alkyl, hydroxy, lower alkoxy, carboxy, lower alkyl ester, trihalomethyl preferrably trifluoromethyl, nitro, phenyl, phenyl- lower alkyl, (C3-C6) cycloalkyl, (C3-C6) cycloalkyl-alkyl, CN, amino, alkylamino, dialkylamino,-C (O) NH2,-C (O) NH (alkyl) and-C (O) N (alkyl)2- Aliphatic groups include straight chained or branched Cl-C, 8 hydrocarbons, or cyclic C3-Clg hydrocarbons which are completely saturated or which contain one or more units of unsaturation. Lower alkyl groups are straight chained or branched C,-C6 hydrocarbons or C3-C6 cyclic hydrocarbons which are completely saturated.

Aromatic groups, as used herein, include carbocyclic ring systems (e. g. benzyl and cinnamylidene) and fused polycyclic aromatic ring systems (e. g. naphthyl). In addition, aromatic groups includes heteroaryl ring systems (e. g.

pyridine, thiophene, furan, pyrrole, imidazole, oxazole, thiazole, pyrazole, triazole, pyrimidine and pyrazine) and heteroaryl ring systems in which a carbocyclic aromatic ring, carbocyclic non-aromatic ring or heteroaryl ring is fused to one or more other heteroaryl rings (e. g. benzimidazole, benzothiazole, indole, tetrahydroindole, azaindole, indazole, isoxazole, isothiazole, imidazole and quinoline). An aryl group, as used herein, refer to an aromatic group having five or six atoms. An aralkyl group is an aromatic substituent that is linked to a compound by an aliphatic group having from one to six carbon atoms. A heterocyclic group, as used herein, refers to a mono-, bi-or tri-cyclic heterocyclic group that is not aromatic or has a degree of unsaturation wherein the unsaturation does not make the group an aromatic group.

Tautomers, stereoisomers, enantiomers and mixtures of these compounds are included in this invention. Pharmaceutically acceptable addition salts of these compounds are also included in this invention.

In one embodiment, R2 is hydrogen, and R is, preferably, a substituted indole, or a substituted or unsubstituted imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, pyrrole, pyrazole, 4,5,6,7-tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene or pyrazine.

In a preferred embodiment, R is hydrogen, n is zero, and Z is a cyclopropyl, 3-pyridyl or pyrazinyl group. In another preferred embodiment, R2 is hydrogen, A is -O-, n is 0 and Z is ethyl, propyl or isopropyl. In yet another preferred embodiment, R2 is hydrogen, A is CH2, n is 2 and Z is benzene which is optionally substituted with halogen, trihalomethyl, hydroxy,-NR4R5, nitro,-C (O) NR4R5, lower alkyl group, R30-,-C (O) OR4 or-OC (O) R3.

In a preferred embodiment, the present invention is directed to a compound represented by the following formula: and physiologically acceptable salts thereof, wherein:

R is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, 4,5,6,7- tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrrole, pyrazole, oxazole and thiazole; R'is hydrogen or-A-Z; A is- (CH2) n-, -(CH2)nNH-, -(CH2)nO-, -(CH2)nS-, -(CH2)nS(O)- or - (CH2)(O),-; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'OC (O)-,-NR4R5,-C (O) NR4R5, R'CO-, R30-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene, pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30-, HO-, HOC (O)-, ROC (O)-, trihalomethyl, nitro, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group,-CN,-C (O) NR4Rs or- R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3- C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; R'and W for each occurrence are each, independently, hydrogen, or are selected from the group consisting of substituted or unsubstituted: lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3-C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; optionally, R'and R'together with the nitrogen atom to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1, 4-diazepin-1-yl groups each optionally substituted by one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl

group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and n is an integer from 0 to 3; provided that when R is an unsubstituted indol-3-yl then R'is not-NH2.

In another preferred embodiment, the present invention is directed to a compound represented by the following structural formula: and physiologically acceptable salts thereof, wherein: R is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, 4,5,6,7- tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrrole, pyrazole, oxazole and thiazole; R'is hydrogen or-A-Z; A is- (CH2) (CH,), NH-,- (CH,), 0-,- (CH,), S-,- (CH,), S (0)- or- (CH2)nS(O)2-; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'OC (O)-,-NR4R5,-C (O) NR4R5, R'CO-, R'O-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene, pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R3O-, HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group,-CN,-C (O) NR4R5 or- NR4Rs; R'for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group,

an aromatic group, a (C,-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; R'and W for each occurrence are each, independently, hydrogen or is selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; optionally, R4 and R'together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1,4-diazepin-1-yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and n is an integer from 0 to 3; provided that: when R is unsubstituted indol-3-yl then R'is not-NH2; and when R is a substituted or unsubstituted benzene or an unsubstituted imidazole, 1,2,3-triazole, 1,2,4-triazole, pyridine, pyrimidine, pyrazine, pyrrole, pyrazole, oxazole or thiazole; then R'is not a lower alkyl, a (C3-C6) cycloalkyl, benzene, or-C (O) NR4R5, wherein R4 and R5 are each independently H, a lower alkyl or a carbocyclic aryl.

In another preferred embodiment, the present invention is directed to a compound represented by the following structural formula: and physiologically acceptable salts thereof, wherein: R is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, 4,5,6,7-

tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrrole, pyrazole, oxazole and thiazole; R'is hydrogen or-A-Z; A is -(CH2)nO-,-(CH2)nS-,-(CH2)nS(O)-or--(CH2)n-NH-, (CH2)nus(0) 2-; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R3OC (O)-,-NR4R5,-C (O) NR4R5, R3Co-, R30-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene, pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30-, HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group,-CN,-C (O) NR4R5 or- NR4R5; R3 for each occurrence is, independently, selected from the group consisting of a substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, a (C3- C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; R4 and R5 for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3-C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; optionally, R4 and R5 together with the nitrogen atom to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1,4-diazepin-1-yl groups each optionally substituted by one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and

n is an integer from 0 to 3; provided that : a) R is not pyrrol-3-yl or pyrrol-3-yl substituted with an alkyl or a carbocyclic aryl group; b) R is not indol-3-yl or indol-3-yl substituted with an alkyl or a carbocyclic aryl group; and c) R is not azaindole or azaindole substituted at the 2-position with an alkyl or a carbocyclic aryl group.

In another preferred embodiment, the present invention is directed to a compound represented by the following structural formula: and physiologically acceptable salts thereof, wherein: R is substituted pyrrole or is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, 4,5,6,7-tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrazole, oxazole and thiazole; R'is hydrogen or-A-Z; A is- (CH2),-,-(CH2) nNH-,-(CH2) nO-,-(CH2) nS-,-(CH2) nS (O)-or (CH,), S (0),- ; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'OC (O)-,-NR4R5,-C (O) NR4R5, R3CO-, R30-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene, pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30-, HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, an

aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group,-CN,-C (O) NRR' or- NR4R5; R3 for each occurrence is, independently, selected from the group consisting of : lower alkyl group, lower alkoxy lower alkyl group, aromatic group, (C3- C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3-C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; R'and R'for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3-C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; optionally, R4 and R5 together with the nitrogen atom to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1, 4-diazepin-1-yl groups each optionally substituted by one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and n is an integer from 0 to 3; provided that: a) when R is substituted pyrrole, the pyrrole is substituted with ROC (O) R6, trihalomethylcarbonyl,-(CH2)p-R7,-O(CH2)pR7,R3OR6-,trihalome thyl, -C (O) N (R4) (CH2) PR',-C (O) O (CH2) pR',-OC (O) (CH2) pR7,- -R6N(R4)-R6-R7,-R6N(R6-R7)2,-N(R4)C(O)(CH2)pR7,-R6NR4R5, -R6OC(O)(CH2)pR7,-R6C(O)N(R4)(CH2)pR7,-R6C(O)O(CH2)pR7, R6N (R4) C (O) (CH2)pR7, -R6CH (C (O) OR4) (N (R4) C (O) R4), a substituted aryl or aralkyl group, wherein: R6 for each occurrence is independently a lower alkyl group or an aryl group; R7 for each occurrence is independently an alkoxy, haloalkyl, lower alkylpiperazine, hydroxy, R3O-, R3C (o)-or NR4Rs; and p is an integer from 1-3;

b) when R is indol-3-yl, the indol-3-yl is substituted with R3OC (O) R6, R3OR6-, trihalomethyl, -O(CH2)pR7,-(CH2)p-R7, -OC(O)(CH2)pR7,--C(O)N(R4)(CH2)pR7,-C(O)OC(CH2)pR7, -R6N(R4)-R6-R7,-R6N(R6-R7)2,-N(R4)C(O)(CH2)pR7,-R6NR4R5, -R6OC(O)(CH2)pR7,-R6C(O)N(R4)(CH2)pR7,-R6C(O)O(CH2)pR7, R6N (R4) C (O) (CH2) pR',-R6CH (C (O) OR4) (N (R4) C (O) R4) or a substituted aryl or aralkyl group; and c) when R is pyrazol-3-yl, the pyrazol-3-yl is substituted with ROC (O) R6, trihalomethylcarbonyl,-(CH2)p-R7,-O(CH2)pR7,R3OR6-,trihalome thyl, -OC(O)(CH2)R7,--C(O)N(R4)(CH2)pR7,-C(O)O(CH2)pR7, -R6N(R4)-R6-R7,-R6N(R6-R7)2,-N(R4)C(O)(CH2)pR7,-R6NR4R5, -R6OC(O)(CH2)pR7,-R6C(O)N(R4)(CH2)pR7,-R6C(O)O(CH2)pR7, R6N (R4) C (O) (CH2) pR7, -R6CH (C (O) OR4) (N (R4) C (O) R4) or a substituted aryl or aralkyl group.

In another preferred embodiment, the present invention is directed to a compound represented by the following structural formula: and physiologically acceptable salts thereof, wherein: R is substituted pyrrole or is selected from the group consisting of substituted or unsubstituted: indole, imidazole, 1,2,3-triazole, 1,2,4-triazole, benzimidazole, 4,5,6,7-tetrahydroindole, benzoindole, azaindole, indazole, pyridine, quinoline, pyrimidine, benzene, pyrazine, pyrazole, oxazole and thiazole; R'is hydrogen or-A-Z; A is -(CH2)nO-,-(CH2)nS-,-(CH2)nS(O)-or--(CH2)nNH-, (CH2)nS(O)2-; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'OC (O)-,-NR4R5,-C (O) NR4R5, R3CO-, R30-, or a ring system selected from the group consisting of a C3-C6 cycloalkane, isoxazole, isothiazole, imidazole, benzene,

pyrrole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, imidazole, furan, triazine, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30-, HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group,-CN,-C (O) NR4Rs or- NR'R' ; R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3- C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; R'and R'for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: lower alkyl group, aromatic group, (C3-C6) cycloalkyl group, heterocyclic group, aralkyl group, (C3-C6) cycloalkyl-alkyl group, and heterocyclyl-alkyl group; optionally, R4 and R5 together with the nitrogen atom to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1, 4-diazepin-1-yl groups each optionally substituted by one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and n is an integer from 0 to 3; provided that: a) when R is an unsubstituted indol-3-yl then R'is not-NH2; b) when R is a substituted or unsubstituted benzene or an unsubstituted imidazole, 1,2,3-triazole, 1,2,4-triazole, pyridine, pyrimidine, pyrazine, pyrrole, pyrazole, oxazole or thiazole; then R'is not a lower alkyl, a (C3- C6) cycloalkyl, benzene, or-C (O) NR4R5, wherein R'and R'are each independently H, a lower alkyl or a carbocyclic aryl;

c) R is not pyrrol-3-yl or pyrrol-3-yl substituted with an alkyl or a carbocyclic aryl group; d) R is not indol-3-yl or indol-3-yl substituted with an alkyl or a carbocyclic aryl group; e) R is not azaindole or azaindole substituted at the 2-position with an alkyl or a carbocyclic aryl group f) when R is substituted pyrrole, the pyrrole is substituted with R3OC(O)R6, R3OR6-, trihalomethyl, -O(CH2)pR7,-(CH2)p-R7, -OC(O)(CH2)pR7,--C(O)N(R4)(CH2)pR7,-C(O)O(CH2)pR7, -R6N(R4)-R6-R7,-R6N(R6-R7)2,-N(R4)C(O)(CH2)pR7,-R6NR4R5, -R6OC(O)(CH2)pR7,-R6C(O)N(R4)(CH2)pR7,-R6C(O)O(CH2)pR7, R6N(R4) C (O) (CH2) pR7, -R6CH (C (O) OR4) (N (R4) C (O) R4), a substituted aryl or aralkyl group, wherein: R6 for each occurrence is independently a lower alkyl group or an aryl group; R7 for each occurrence is independently an alkoxy, haloalkyl, lower alkylpierazine, hydroxy, orNR4R5;andR3C(O)- p is an integer from 1-3; g) when R is indol-3-yl, the indol-3-yl is substituted with R3OC (O) R6, R3OR6-, trihalomethyl, -O(CH2)pR7,-(CH2)p-R7, -OC(O)(CH2)pR7,--C(O)N(R4)(CH2)pR7,-C(O)O(CH2)pR7, -R6N(R4)-R6-R7,-R6N(R6-R7)2,-N(R4)C(O)(CH2)pR7,-R6NR4R5, R6C (O) N (R4) (CH2) PR',-R6C (O) O (CH2) pR',-R60C (O) (CH2) pR',- R6N (R4) C (O) (CH2) pR7, -R6CH (C (O) OR4) (N (R4) C (O) R4) or a substituted aryl or aralkyl group; and h) when R is pyrazol-3-yl, the pyrazol-3-yl is substituted with ROC (O) R6, trihalomethylcarbonyl,-(CH2)p-R7,-O(CH2)pR7,R3OR6-,trihalome thyl, -C (O) N (R4)(CH2)pR7, -C(O)O(CH2)pR7, -OC(O)(CH2)pR7, -R6N(R4)-R6-R7,-R6N(R6-R7)2,--N(R4)C(O)(CH2)pR7,-R6NR4R5, -R6OC(O)(CH2)pR7,-R6C(O)N(R4)(CH2)pR7,-R6C(O)O(CH2)pR7, R6N (R4) C (O) (CH2) pR',-R6CH (C (O) OR4) (N (R4) C (O) R4) or a substituted aryl or aralkyl group.

In a more preferred embodiment, the present invention is directed to any of the foregoing compounds wherein A is-NH-,-O-,-S-,-S (O)-or-S (O) 2-; and Z is cyclopropyl, 3-pyridyl or pyrazinyl.

In yet another more preferred embodiment, the present invention is directed to any of the foregoing compounds wherein A is-O-; and Z is ethyl, n-propyl or isopropyl.

In still another more preferred embodiment, the present invention is directed to any of the foregoing compounds wherein A is-CH2- ; and Z is phenyl, wherein said phenyl is optionally substituted with one or more moieties selected from the group consisting of halogens, trihalomethyl, hydroxy,-NR4R5, nitro,-CONR4R5, lower alkyl group, R30-,-C (O) OR' and-oC (o) R4.

In still another preferred embodiment, the present invention is directed to any of the foregoing compounds wherein R is substituted with one or more substituents, each independently selected from the group consisting of halogens, lower alkyl groups, R'O-, hydroxy, HOC (O)-, R'OC (O)-, R'OC (O) R6-, R'OR'-, trihalomethyl, trihalomethylcarbonyl, nitro,-C (O) NR4R5,-NR4R5, R'CO-,- (CH,),-R',- -O(CH2)nR7,-C(O)NR4(CH2)nR7,-C(O)(CH2)n-R7,-C(O)-(CH2)n-C(O) -R7, C (O) O (CH2) R',-OC (CH2)nR7, -NR4C(O)(CH2)nR7, -R6NR4R5, -R6N(R4)-R6-R7, - -R6C(O)O(CH2)nR7,-R6OC(O)(CH2)nR7,-R6N(R6-R7)2,-R6C(O)NR4(CH 2)nR7, R6NR4C (O) (CH2)nR7, -R6CH (C (O) OR4) (NRC (O) R4), an optionally substituted aryl and an optionally substituted aralkyl group. The optionally substituted aryl and optionally substituted aralkyl groups are optionally substituted with one or more substituents selected from the group consisting of halogen, trihalomethyl, hydroxy,- NR4R5, nitro,-CONR4R5, lower alkyl group, R30-,-C (O) OR4 and-OC (O) R3. R6 is a lower alkyl group or an aryl group. R'is alkoxy, haloalkyl, lower alkyl piperazine, hydroxy, R30-, R3C (O)- or-NR4R. In one aspect of this embodiment, R is pyrrolyl, indolyl, azaindolyl, phenyl, pyrazolyl, imidazolyl, thienyl, 4,5,6,7-tetrahydroindolyl, or quinolinyl. In another aspect of this embodiment, R is pyrrol-2-yl, pyrrol-3-yl, indol-2-yl, indol-3-yl, azaindol-3-yl, pyrazol-4-yl, imidazol-2-yl, imidazol-4-yl, thien-2-yl or quinolin-5-yl.

In still another preferred embodiment, the present invention is directed to any of the foregoing compounds wherein R'is trifluoromethyl, amino, cyclopropylamino, methyl, ethyl, propyl, isopropyl, cyclopropyl, 2- methylcyclopropyl, 2,2,3,3-tetramethylcyclopropyl, 2-phenylcyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl,-(CH2) p-O-phenyl,-(CH2) p-O-(4- -(CH2)p-O-(4-methylphenyl),-(CH2)p-methoxyphenyl),-(CH2)p-O- (4-chlorophenyl), -(CH2)p-O-(4-hydroxyphenyl),-O-(3-methylphenyl),-(CH2)p-O-(4 -phenylphenyl), -(CH2)p-O-(4-(CH2)p-O-(4-nitrophenyl),-(CH2)p-O-(4-aminophen yl), <BR> <BR> <BR> <BR> carbamoylphenyl),- (CH2) p-O- (4-methoxycarbonylphenyl),-NH-phenyl,-NH- (4-<BR> <BR> <BR> <BR> <BR> <BR> <BR> <BR> methoxyphenyl),-NH- (4-chlorophenyl),-NH- (4-fluorophenyl),-NH- (4- isopropylphenyl), isopropoxy, ethoxy, cyclopentyloxy,- (CH2) p-indolyl,- (CH2) p- pyridyl,-(CH2) p-benzothiazolyl,-(CH2) p-pyrrolyl,-(CH2) p-tetrahydrofuryl,-(CH2) p- pyrazinyl,-(CH2) p-furyl,-(CH2) p-thienyl,-(CH2) p-phenyl,-(CH2) p-isoxazolyl,- -(CH2)p-pyridazinyl,-(CH2)n-(CH2)p-(5-methylisoxazolyl),-(CH 2)p-pyrimidinyl, C (O)-OMe,-(CH2) n-C (O)-OEt or benzyl optionally substituted with one or more of Cl, F, OMe, methyl or amino. p is an integer from 1 to 3. In one aspect of this embodiment, R is optionally substituted with one or more moieties selected from the group consisting of Br, Cl, F, aminomethyl, N, N-dimethylaminomethyl, carboxy, carboxymethyl, carboxyethyl, carbonylmethyl, carbonylethyl, methoxycarbonyl, ethoxycarbonyl, phenyl, 4-morpholinomethyl,-C (O)-O- (CH2) 2-N (Me) 2,-C (O)-O- (CH2) 2-N (Et) 2,-C (O)-O-CH2-N (Me) 2,-C (O)-O-(CH2) 2-N (Me) 2,-C (0)-NH- (CH,),- N (Me) 2,-CH2-NH-C (O)-CF3 and an optionally substituted moiety selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl and phenyl, where the optionally substituted moiety is optionally substituted with one or more of Br, Cl, F, hydroxy, nitro, amino or lower alkyl.

In another aspect, the present invention provides a pharmaceutical composition comprising any one or more of the compounds of the present invention, as defined herein, and a pharmaceutically acceptable carrier or diluent.

In another aspect, the present invention provides a method of inhibiting one or more protein kinase activity comprising the administration of a compound represented by the formula: and physiologically acceptable salts and biologically active metabolites thereof,wherein: R is selected from the group consisting of a substituted or unsubstituted: aliphatic group, aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; R'is hydrogen or-A-Z; R2 is hydrogen or is selected from the group consisting of a substituted or unsubstituted: lower alkyl group, an aromatic group, a (C3- C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3- C6) cycloalkyl-alkyl group, a heterocyclyl-alkyl group; A is- dCH2) n-,-(CH2) nNH-,-(CH2)"O-,-(CH2)"S-,-(CH2)"S (O)-or (CH2)nS; Z is-H, a lower alkyl, aralkyl, trihalomethyl, trihalomethylcarbonyl, R'CO-, R'OC (O)-,-NR4R5,-C (O) NR4R5, R30-, or a ring system selected from the group consisting of a (C3-C6) cycloalkyl, benzene, pyrrole, isoxazole, isothiazole, indole, pyridine, pyrazine, pyrimidine, benzothiazole, tetrahydrofuran, thiophene, triazine, imidazole, furan, benzimidazole, pyridazine, quinoxaline, pyrazole, oxazole, thiazole and the N-oxides thereof wherein said ring system can be optionally substituted with one or more moieties selected from the group consisting of halogens, lower alkyl, R30-,

HO-, HOC (O)-, R3OC (O)-, trihalomethyl, nitro, aryl,-CN,-C (0) NR4Rs and- R3 for each occurrence is, independently, selected from the group consisting of substituted or unsubstituted: lower alkyl group, lower alkoxy lower alkyl group, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkylgroup; R'and W for each occurrence are each, independently, hydrogen or are selected from the group consisting of substituted or unsubstituted: a lower alkyl group, an aromatic group, a (C3-C6) cycloalkyl goup, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; optionally, R4 and Rs together with the nitrogen to which they are attached represent morpholino, pyrrolidino, piperidino, imidazol-1-yl, piperazino, thiamorpholino, azepino or perhydro-1,4-diazepin- 1-yl groups each optionally substituted with one or more moieties selected from the group consisting of lower alkyl, hydroxy, lower alkoxy lower alkyl, an aromatic group, a (C3-C6) cycloalkyl group, a heterocyclic group, an aralkyl group, a (C3-C6) cycloalkyl-alkyl group and a heterocyclyl-alkyl group; and n is an integer from 0 to 3.

A preferred method of the foregoing method is where the inhibition of the protein kinase is in a recipient in need thereof.

A preferred method of any of the foregoing methods is where the compound is a mixture of stereoisomers.

A preferred method of any of the foregoing methods is where the stereoisomers are enantiomers.

A preferred method of any of the foregoing methods is where the stereoisomers are E and Z isomers.

A preferred method of any of the foregoing methods is where the compound is a mixture of structural isomers.

A preferred method of any of the foregoing methods is where the structural isomers are tautomers.

A preferred method of any of the foregoing methods is where said protein kinase is either a receptor tyrosine kinase or a non-receptor tyrosine kinase.

A preferred method of any of the foregoing methods is where said tyrosine kinase is selected from the group consisting of KDR, Flt-1, TIE-2, FGFR, PDGFR, IGF-1-R, c-Met, Lck, Src, fyn, Lyn, Blk, and yes.

In another aspect, the present invention is directed to a method of treating or essentially inhibiting hyperproliferative disorders or inflammatory diseases in a recipient in need thereof comprising the administration to said recipient of any of the compounds of the present invention as defined herein.

In another aspect, the present invention is directed to a method of treating or inhibiting angiogenesis in a recipient in need thereof comprising the administration to said recipient of any of the compounds of the present invention as defined herein.

In another aspect, the present invention is directed to a method of inducing an anti-angiogenic effect in a recipient in need thereof comprising the administration to said recipient of any of the compounds of the present invention as defined herein.

In another aspect, the present invention is directed to a method of treating or inhibiting the progression of a disease or condition in a recipient in need thereof comprising the administration to said recipient of any of the compounds of the present invention, as defined herein, where said disease or condition is selected from the group consisting of cancer, arthritis, atherosclerosis, restenosis, psoriasis, hemangioma, myocardial angiogenesis, coronary and cerebral collaterals, ischemic limb angiogenesis, corneal disease, rubeosis, neovascular glaucoma, macular degeneration, wound healing, peptic ulcer, Helicobacter related diseases, virally induced angiogenic disorders, fractures, diabetic retinopathy, Crohn's disease, inflammatory bowel disorder, cat scratch fever, retinopathy or prematurity, ulcers, thyroid hyperplasia, burns, trauma, acute lung injury, chronic lung disease, stroke, polyps, cysts, synovitis, chronic and allergic inflammation, ovarian hyperstimulation syndrome, pulmonary and cerebral edema, keloid, fibrosis, cirrhosis, carpal tunnel

syndrome, sepsis, adult respiratory distress syndrome, multiple-organ dysfunction syndrome, ascites and tumor-associated effusions and edema.

In another aspect, the present invention is directed to a method of affecting vascular hyperpermeability or the production of edema in a recipient in need thereof comprising the administration to said recipient of any of the compounds of the present invention, as defined herein. A preferred method of the immediately foregoing method is where the effect on the production of edema is antiedematous.

A preferred method of any of the foregoing methods is where the protein kinase is a serine kinase.

A preferred method of any of the foregoing methods is where the protein kinase is a threonine kinase.

Particularly preferred compounds of the present invention are: 3-Cyclopropyl-4- { [ (3, 5-dimethyl-4- (4-methy-1-piperazinylmethyl) pyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3, 5-dimethyl-4- (1-pyrrolidinylmethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (3, 5-dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-diethanolaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-dimethylaminomethyl-4, 5-tetramethylenepyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]- <BR> <BR> 2-pyrazolin-5-one,<BR> <BR> <BR> 3-Cyclopropyl-4- [ (3-diethylaminomethyl-4,5-tetramethylenepyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- { [3- (4-methyl-l-piperazinylmethyl)-4, 5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- [3-(1-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- (3, 5-dibromo-4-hydroxybenzylidene)-2-pyrazolin-5-one,

3-Cyclopropyl-4- [ (4-oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]- 2-pyrazolin-5- one, 3-Cyclopropyl-4- [ (4-dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]- 2- pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3-cyclopropyl-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [4- (2-dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [4- (2-dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- [ (3-ethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- [3- (2-dimethylaminoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin- 5-one, 3-Cyclopropyl-4- [3- (2-dimethylaminoethylaminocarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3-Cyclopropyl-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5- one, 3-Cyclopropyl-4- [3- (4-morpholinoethylaminocarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- [ (3, 4-Diethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3-cyclopropyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- [ (5-ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (5-chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, 4- {[(3, 5-Dimethyl-4-[(4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (3- pyridyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- [ (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5- one, 4- [ (4-Diethanolaminomethyl-3,5-dimethyl-pyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one,

4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, 4- { [3- (4-Methyl-1-piperazinylmethyl)-4, 5-tetramethylenepyrrol-2-yl] methylene}-3- (3- pyridyl)-2-pyrazolin-5-one, 3- (3-Pyridyl)-4- { [3- (l-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-2- pyrazolin-5-one, 4- [ (3-Piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (3-pyridyl)-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (3-pyridyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (3-Pyridyl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [4- (4-Morpholinoethoxycarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5- one, 4- [4- (4-Morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, <BR> <BR> 4- [3- (4-Morpholinoethoxycarbonylindol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5- one, <BR> <BR> 4- [3- (4-Morpholinoethylaminocarbonylindol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, 4- [ (3,4-Diethoxycarbonylpyrrol-2-yl) methylene]- 3- (3-pyridyl)- 2-pyrazolin-5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3- (3-pyridyl)-2- pyrazolin-5-one, 4-{[3-(2-Amino-2-carboxyethyl)indol-2-yl]methylene}-3-(3-pyr idyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]- 3- (3-pyridyl)-2-pyrazolin-5-one,

4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin- 5-one, 4- [ (3,5-Dimethyl-4- { [ (4-methyl-l-piperazinylmethyl) pyrrol-2-yl] methylene}-3- isopropoxy-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- [ (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethyl-pyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin- 5-one, 4- [ (4-Diethanolaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 3-Isopropoxy-4- [ (3-morpholinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]- 2- pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 3-Isopropoxy-4- { [3- (4-methyl-1-piperazinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Isopropoxy-4- {[3-(1-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-2- pyrazolin-5-one, 3-Isopropoxy 4- [ (3-piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]--2- pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3-isopropoxy-2-, pyrazolin-5-one, 4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, <BR> <BR> 4- (3,5-Dibromo-4-hydroxybenzylidene)-3-isopropoxy-2-pyrazolin- 5-one,<BR> <BR> <BR> <BR> 3-Isopropoxy-4- [ (4-oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3-isopropoxy-2-pyrazolin- 5-one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one,

3-Isopropoxy-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3-Isopropoxy-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 3-Isopropoxy-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5- one, 3-Isopropoxy-4- [3- (4-morpholinoethylaminocarbonylindol-2-yl) methylene]-2-pyrazolin- 5-one, 4- [ (3, 4-Diethoxycarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, <BR> <BR> 4-f [3- (2-Ai-nino-2-carboxyethyl) indol-2-yl] methylene}-3-isopropoxy-2-pyrazolin-5-one, 4-[(5-Ethoxy-4-methyoxycarbonylmethyl-3-methoxycarbonylpyrro l-2-yl)methylene]-3- isopropoxy-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- isopropoxy-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, 4- [ (3,5-Dimethyl-4- { [ (4-methyl- 1-piperazinylmethyl) pyrrol-2-yl] methylene}-3-ethoxy- 2-pyrazolin-5-one, 4-[(3,5-Dimethyl-4-[(1-pyrrolidinylmethylpyrrol-2-yl)methyle ne]-3-ethoxy-2-pyrazolin- 5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethyl-pyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, <BR> <BR> 4-[(4-Diethanolaminomethyl-3, 5-dimethyl-pyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin- 5-one, 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3-ethoxy-2- pyrazolin-5-one, 3-Ethoxy-4- [ (3-morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]- 2- pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-ethoxy-2- pyrazolin-5-one, 3-Ethoxy-4-{[3-(4-methyl-1-piperazinyl)methyl-4,5-tetramethy lenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Ethoxy-4- { [3- (l-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-2- pyrazolin-5-one, 3-Ethoxy-4- [ (3-piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]- 2- pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, <BR> <BR> 4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3-ethoxy-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin- 5-one, 3-Ethoxy-4- [ (4-oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]- 2-pyrazolin-5-one,

4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin- 5-one, 3-Ethoxy-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3-ethoxy-2- pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3-ethoxy-2-pyrazolin- <BR> <BR> 5-one,<BR> <BR> <BR> <BR> <BR> 3-Ethoxy-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Ethoxy-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3-Ethoxy-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5-one, 3-Ethoxy-4- [ (5-methoxyindol-2-yl) methylene]- 2-pyrazolin-5-one, 4- [3, 5-Dimethyl-4- (2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3-ethoxy- 2-pyrazolin-5-one, <BR> <BR> 3-Ethoxy-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[3-(2-Acetamido-2-methoxyvarbonylethyl) indol-2-yl] methylene}-3-ethoxy-2- pyrazolin-5-one, <BR> <BR> 4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3-ethoxy-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- ethoxy-2-pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- { [3- (4-Methyl-1-piperazinylmethyl)-4, 5-tetramethylenepyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 3-Pyrazinyl-4- { [3- (l-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-2- pyrazolin-5-one, 4- [ (3-Piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin- 5-one, 4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3-pyrazinyl-2-pyrazolin-5-on e, 4- [ (4-Bromopyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 3-Pyrazinyl-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one,

4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [4- (4-Morpholinoethoxycarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, <BR> <BR> 4- [4- (4-Morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin- 5-one, 4- [3- (4-Morpholinoethoxycarbonylindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [3- (4-Morpholinoethylaminocarbonylindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, 4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, 4- {[3, 5-Dimethyl-4-(2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 4-[(Indol-3-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 4- [ (l-Methylindol-3-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 3-Pyrazinyl-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (3, 4-Diethoxycarbonylpyrrol-2-yl) methylene]- 3-pyrazinyl-2-pyrazolin-5-one, 4-{[3-(2-Acetamido-2-methoxycarbonylethyl)indol-2-yl]methyle ne}-3-pyrazinyl-2- pyrazolin-5-one, 4- {[3-(2-Amino-2-carboxyethyl){[3-(2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]- 3- pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (imidazol-2yl)-2-pyrazolin-5-one, 3- (Imidazol-2-yl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (Imidazol-2-yl)-4- [ (4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2- pyrazolin-5-one, <BR> <BR> 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- (imidazol-2-yl)-2-<BR> <BR> <BR> <BR> pyrazolin-5-one,

4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- (imidazol-2-yl)-2- pyrazolin-5-one, 3- (Imidazol-2-yl)-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one, 3- (Imidazol-2-yl)-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3- (Imidazol-2-yl)-4- [3- (4-morpholinoethoxycarbonylindol-2-yI) methylene]-2-pyrazolin- 5-one, 3- (Imidazol-2-yl)-4- [3- (4-morpholinoethylaminocarbonylindol-2-yl) methylene]-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 3-(Imidazol-2-yl)-4-[(1-methylindol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2- pyrazolin-5-one, <BR> <BR> 3- (Imidazol-2-yl)-4- [ (5-methoxyindol-2-yl) methylene]- 2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (Imidazol-2-yl)-4- [ (4, 5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- {[3, 5-Dimethyl-4-(2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3- (imidazol-2-yl)-2-pyrazolin-5-one, 4- {[3, 5-Dimethyl-4-(2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one, <BR> <BR> 3-(Imidazol-2-yl)-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (Imidazol-2-yl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 3- (Imidazol-2-yl)-4- [ (indol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 4-Diethoxycarbonylpyrrol-2-yl) methylene]-3- (imidazol-2-yl))- 2-pyrazolin-5-one, 4- {[3-(2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3-{[3-(2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3- (imidazol-2-yl)- 2-pyrazolin-5-one, 4- { [3-(2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3-(imidazol-2-yl)-2-pyrazolin-5- one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (imidazol-2-yl)-2-pyrazolin-5-one, 4- [(4-Bromopyrrol-2-yl) methylene]-3-(1-methylcyclopropyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (l-methylcyclopropyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (1-methylcyclopropyl)-2-pyrazolin-5-one, 3- (l-Methylcyclopropyl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- (l-methylcyclopropyl)-2-pyrazolin- 5-one, <BR> <BR> 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (1-<BR> <BR> <BR> <BR> <BR> <BR> methylcyclopropyl)-2-pyrazolin-5-one, 4- [4-(2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3- (l-methylcyclopropyl)-2-pyrazolin-5- one,

4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- (l- methylcyclopropyl)-2-pyrazolin-5-one, 4-[3-(2-Deimethylaminoethylaminocarbonylindol-2-yl)methylene ]-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, 3- (l-Methylcyclopropyl)-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 3-(1-Methylcyclopropyl)-4- [4-(4-morpholinoethylaminocarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-(1-Methylcyclopropyl)-4-[3-(4-morpholinoethoxycarbonylindo l-2-yl)methylene]- 2-pyrazolin-5-one, 3-(1-methylcyclopropyl)-4-[3-(4-morpholinoethylaminocarbonyl indol-2- yl) methylene]-2-pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (l-methylcyclopropyl)-2- pyrazolin-5-one, 3- (1-Methylcyclopropyl)-4- [ ( 1-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 4- [3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (1-methylcyclopropyl)-2- pyrazolin-5-one, 4-[(5-Methoxyindol-2-yl)methylene]-3-(1-methylcyclopropyl)-2 -pyrazolin-5-one, 3- (1-Methylcyclopropyl)-4- [ (4, 5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5- one, 4-{[3,5-Dimethyl-4-(2-dimethylaminoethyoxycarbonyl)pyrrol-2- yl]methylene}-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-(2-dimethylaminoethylaminocarbonyl)pyrrol -2-yl)methylene]-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (1-methylcyclopropyl)-2-pyrazolin-5-one, 4-[(Pyrrol-2-yl)methylene]-3-(1-methylcyclopropyl)-2-pyrazol in-5-one, 4-[(Indol-2-yl)methylene]-3-(1-methylcyclopropyl)-2-pyrazoli n-5-one, 4-[(3,4-Diethoxycarbonylpyrrol-2-yl)methylene]-3-(1-methylcy clopropyl))-2-pyrazolin- 5-one, 4- {[3-(2-Acetamido-2-methoxyvarbonylethyl) indol-2-yl] methylene}-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, 4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3- (1-methylcyclopropyl)-2- pyrazolin-5-one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (1-methylcyclopropyl)-2-pyrazolin-5-one, 4-[(5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol -2-yl)methylene]-3-(1- methylcyclopropyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5- one, 4- {[3,5-Dimethyl-4-(4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (2-furyl)- 2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (l-pyrrolidinylmethyl) pyrrol-2-yl] methylene}-3- (2-furyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin- 5-one,

4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5- one, 4- [ (4-Diethanolaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 3- (2-Furyl)-4- [ (3-morpholinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-2- pyrazolin-5-one, 4- [ (3-Diethylaminoethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 3-(2-Furyl)-4-{[3-(4-methyl-1-piperazinylemthyl)-4,5-tetrame thylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-(2-Furyl)-4-{[3-(1-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-2- pyrazolin-5-one, 3- (2-Furyl)-4- [ (3-piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-<BR> <BR> <BR> <BR> <BR> <BR> 5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3-(2-furyl)-2-pyrazolin-5- one, 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (2-furyl)-2-pyrazolin-5-one, <BR> <BR> 3- (2-Furyl)-4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]- 2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (2-Furyl)-4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]- 2- pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 3- (2-Furyl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5- one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [3-(2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3-(2-furyl)-2-pyrazolin-5- one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 3- (2-Furyl)-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, <BR> <BR> 3- (2-Furyl)-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2-pyrazolin-<BR> <BR> <BR> <BR> <BR> 5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (2-Furyl)-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5-one, 3- (2-Furyl)-4- [3- (4-morpholinoethylaminocarbonylindol-2-yl) methylene]-2-pyrazolin-5- one, 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one,

3- (2-Furyl)-4- [ (l-methylindol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (2-Furyl)-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one, 3-(2-Furyl)-4,5-tetramethylenepyrrol-2-yl)methylene]-2-pyraz olin-5-one, 4-{[3,5-Dimethyl-4-(2-dimethylaminoethoxycarbonyl)pyrrol-2-y l]methylene}-3-(2- furyl)-2-pyrazolin-5-one, 4- {[3, 5-Dimethyl-4-(2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- (2- furyl)-2-pyrazolin-5-one, 3-(2-Furyl)-4-[(indol-3-yl)methylene]-2-pyrazolin-5-one, 3- (2-Furyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- (2-Furyl)-4- [ (indol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3, 4-Diethoxycarbonylpyrrol-2-yl) methylene]-3- (3- (2-furyl))-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylenel-3- (2-furyl)-2- pyrazolin-5-one, 4-{[3-(2-Amino-2-carboxyethyl)indol-2-yl]methylene}-3-(2-fur yl)-2-pyrazolin-5-one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (2- furyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- [ (morpholinomethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (4-methyl-l-piperazinyl) methylpyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5- one, 4- [ (4-Diethanolaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- {[3-(4-Methyl-1-piperazinylmethyl)-4, 5-tetramethylenepyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- { [3- (l-Pyrrolidinylmethyl)-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (2-thienyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3-Piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2-thienyl)-2-<BR> <BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one,

4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin- 5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Oxo-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (2- thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (2- thienyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Bromopyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 3- (2-Thienyl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin- 5-one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, <BR> <BR> 4- [4- (4-Morpholinoethoxycarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5- one, 4- [4- (4-Morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [3- (4-Morpholinoethoxycarbonylindol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5- one, <BR> <BR> 4- [3- (4-Morpholinoethylaminocarbonylindol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin- 5-one, <BR> <BR> 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3-(2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (l-Methylindol-3-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5- one, 4- [ (5-Methoxyindol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 4- [ (4, 5-Tetramethylenepyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- ethylaminocarbonyl) pyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 4- [(Pyrrol-2-yl) methylene]-3-(2-thienyl)-2-pyrazolin-5-one, 4-[(Indol-2-yl) methylene]-3-(2-thienyl)-2-pyrazolin-5-one, 4- [ (3,4-Diethoxycarbonylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3- (2-thienyl)-2- pyrazolin-5-one, 4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3- (2-thienyl)-2-pyrazolin-5-one,

4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (2- thienyl)-2-pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3-cyclopropoxy-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3-cyclopropoxy-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3-cyclopropoxy-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [4- (2-dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-Cyclopropoxy-4- [4- (2-dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropoxy-4- [ (3-ethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [3- (2-dimethylaminoethoxycarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropoxy-4- [3- (2-dimethylaminoethylaminocarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropoxy-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one, 3-Cyclopropoxy-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropoxy-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2-pyrazolin- 5-one, 3-Cyclopropoxy-4- [3- (4-morpholinoethylaminocarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropoxy-4- [ (3,5-dimethyl-4-ethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (l-methylindol-3-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3-Cyclopropoxy-4- [3, 5-dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-<BR> <BR> <BR> <BR> <BR> 5-one, 3-Cyclopropoxy-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [3,5-dimethyl-4- (2-dimethylaminoethoxycarbonyl) pyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropoxy-4- { [3, 5-Dimethyl-4- (2-dimethylaminoethylaminocarbonyl) pyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [(indol-3-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (Indol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropoxy-4- [ (3, 4-diethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3-cyclopropoxy-2- pyrazolin-5-one, 4-{[3-(2-Amino-2-carboxyethyl)indol-2-yl]methylene}-3-cyclop ropoxy-2-pyrazolin-5- one, 3-Cyclopropoxy-4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one,

4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- cyclopropoxy-2-pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 3- [2- (5-pyrimidinylethyl)]-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5- one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5- one, 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]- 2-pyrazolin-5-one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- [2- (5- <BR> <BR> pyrimidinylethyl)]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [4- (4-Morpholinoethoxycarbonylpyrrol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-<BR> <BR> <BR> <BR> <BR> 2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [4- (4-Morpholinoethylaminocarbonylpyrrol-2-yl) methylene]- 3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one, <BR> <BR> 4- [3- (4-Morpholinoethoxycarbonylindol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2- pyrazolin-5-one, 4- [3- (4-Morpholinoethylaminocarbonylindol-2-yl) methylene]- 3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2- pyrazolin-5-one, <BR> <BR> 4- [ (1-Methylindol-3-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2- pyrazolin-5-one, 4- [ (5-Methoxyindol-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 3- [2- (5-pyrimidinylethyl)]-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5- one, 4- {[3, 5-Dimethyl-4-(2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4- (2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- [2- <BR> <BR> (5-pyrimidinylethyl)]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (Indol-3-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 3- [2- (5-pyrimidinylethyl)]-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indo I-2-yl) methylene]- 3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [ (3,4-Diethoxycarbonylpyrrol-2-yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin- 5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3- [2- (5- pyrimidinylethyl)]-2-pyrazolin-5-one,

4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3- [2- (5-pyrimidinylethyl)]-2- pyrazolin-5-one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrTo1-2- yl) methylene]-3- [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one, 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- <BR> <BR> [2- (5-pyrimidinylethyl)]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Bromopyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one, 3- (2-phenylethyl)-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2- pyrazolin-5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]- 3- (2-phenylethyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- (2-phenylethyl)-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- (2-phenylethyl)-2- pyrazolin-5-one, 4- [4- (4-Morpholinoethoxycarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)- 2- pyrazolin-5-one, 4- [4- (4-Morpholinoethylaminocarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2- pyrazolin-5-one, 4- [3- (4-Morpholinoethoxycarbonylindol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin- 5-one, 4- [3- (4-Morpholinoethylaminocarbonylindol-2-yl) methylene]-3- (2-phenylethyl)-2- pyrazolin-5-one, 4- [ (1-Methylindol-3-yl) methylene]- 3- (2-phenylethyl)-2-pyrazolin-5-one, 4- [3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin- 5-one, 4- [ (5-Methoxyindol-2-yl) methylene]- 3- (2-phenylethyl)-2-pyrazolin-5-one, 3- (2-phenyl ethyl)-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4-f [3, 5-Dimethyl-4- (2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3- (2- phenylethyl)-2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4- (2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- (2- phenylethyl)-2-pyrazolin-5-one, <BR> <BR> 4-[(Indol-2-yl) methylene]-3-(2-phenylethyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3,4-Diethoxycarbonylpyrrol-2-yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylene}-3- (2-phenylethyl)- 2-pyrazolin-5-one, 4- { [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3- (2-phenylethyl)-2-pyrazolin-5- one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- (2-phenylethyl)-2-pyrazolin-5-one,

4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]- 3- (2-phenylethyl)-2-pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- [ (5-Chloropyrrol-2-yl) methylene]-3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [(5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one, <BR> <BR> 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin- 5-one, 4- [4- (2-Dimethylaminoethoxycarbonylpyrrol-2-yl) methylene]-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- [4- (2-Dimethylaminoethylaminocarbonylpyrrol-2-yl) methylene]-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Ethoxycarbonylindol-2-yl) methylene]- 3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin- 5-one, 4- [3- (2-Dimethylaminoethoxycarbonylindol-2-yl) methylene]-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- [3- (2-Dimethylaminoethylaminocarbonylindol-2-yl) methylene]-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [3- (4-morpholinoethylaminocarbonylindol-2- yl) methylene]-2-pyrazolin-5-one, 4- [3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]- 3- [2- (4-hydroxyphenyl) ethyl] -2-pyrazolin-5-one, <BR> <BR> 3- [2- (4-hydroxyphenyl) ethyl]-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-hydroxyphenyl) ethyl]-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin- 5-one, 4- { [3, 5-Dimethyl-4- (2-dimethylaminoethoxycarbonyl) pyrrol-2-yl] methylene}-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4- (2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene]-3- [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- [ (3,4-Diethoxycarbonylpyrrol-2-yl) methylene]- 3- [2- (4-hydroxyphenyl) ethyl]- 2- pyrazolin-5-one, 4- { [3- (2-Acetamido-2-methoxycarbonylethyl) indol-2-yl] methylenc}-3- [2- (4- hydroxyphenyl) ethyl]-2-pyrazolin-5-one, 4- {[3-(2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3-[2-(4-hydroxyphenyl) ethyl]-2- pyrazolin-5-one, 4- [ (5-Ethoxy-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]-3- <BR> <BR> [2- (4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one<BR> <BR> <BR> <BR> <BR> 4- [ (5-Chloro-4-methoxycarbonylmethyl-3-methoxycarbonylpyrrol-2- yl) methylene]- 3-<BR> <BR> <BR> <BR> <BR> [2-(4-hydroxyphenyl) ethyl]-2-pyrazolin-5-one,

3- [2- (4-aminophenyl) ethyl]-4- [ (4-bromopyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (4-chloropyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (5-chloropyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (5-trifluoromethylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3- [2- (4-aminophenyl) ethyl]-4- [ (4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3- [2- (4-aminophenyl) ethyl]-4- [4- (2-dimethylaminoethoxycarbonylpyrrol-2- yl)methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [4- (2-dimethylaminoethylaminocarbonylpyrrol-2- yl) methylene]- 2-pyrazolin-5-one, <BR> <BR> 3- [2- (4-aminophenyl) ethyl]-4- [ (3-ethoxycarbonylindol-2-yl) methylene]-2-pyrazolin-5- one, 3- [2- (4-aminophenyl) ethyl]-4- [3- (2-dimethylaminoethoxycarbonylindol-2- yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [3- (2-dimethylaminoethylaminocarbonylindol-2-yl) methyl ene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]- 4- [4- (4-morpholinoethoxycarbonylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [4- (4-morpholinoethylaminocarbonylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [3- (4-morpholinoethoxycarbonylindol-2-yl) methylene]-2- pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [3- (4-morpholinoethylaminocarbonylindol-2- yl) methylene]- 2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- [2- (4-aminophenyl) ethyl]-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3-[2-(4-aminophenyl)ethyl]-4-{[3,5-dimethyl-4-(2-dimethylami noethoxycarbonyl) pyrrol-2-yl]methylene}-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- { [3, 5-dimethyl-4- (2-dimethylaminoethylamino carbonyl) pyrrol-2-yl] methylene}-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (Indol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (3, 4-diethoxycarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 4-{[3-(2-Acetamido-2-methoxycarbonylethyl)indol-2-yl]methyle ne}-3-[2-(4- aminophenyl) ethyl]-2-pyrazolin-5-one, 4-f [3- (2-Amino-2-carboxyethyl) indol-2-yl] methylene}-3- [2- (4-aminophenyl) ethyl]-2- pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (5-ethoxy-4-methoxycarbonylmethyl-3- methoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- [2- (4-aminophenyl) ethyl]-4- [ (5-chloro-4-methoxycarbonylmethyl-3- methoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one,

4- [ (3,5-Dimethyl-4- { [ (4-methyl-l-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (1-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2-<BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Diethanolaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4-pyrimidinyl)- 2-pyrazolin-5-one, 4- {[3-(4-Methyl-1-piperzinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 3-(4-Pyrimidinyl)-4-{[3-(1-pyrrolidinyl)methyl-4,5-tetrameth ylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (4- pyrimidinyl) pyrazolin-5-one, 4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (4-pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3,5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4- { [ (4-methyl-l-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (5- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-diethylaminomethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Diethanolaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2-<BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (5- pyrimidinyl)-2-pyrazolin-5-one,

4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (5-pyrimidinyl)- 2-pyrazolin-5-one, 4- { [3- (4-Methyl-1-piperazinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (5- pyrimidinyl)-2-pyrazolin-5-one, 3-(5-Pyrimidinyl)-4-{[3-(1-pyrrolidinyl)methyl-4,5-tetrameth ylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)-2-<BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3,5-Dimethyl-4- {[(4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3-(2-<BR> <BR> <BR> <BR> <BR> pyrimidinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Diethanolaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (2- pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2- pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2- pyrimidinyl)-2-pyrazolin-5-one, 4-f [3- (4-Methyl-1-piperazinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (2-pyrimidinyl)-2-pyrazolin-5-one, 3- (2-Pyrimidinyl)-4- {[3-(1-pyrrolidinyl)(2-Pyrimidinyl)-4- {[3-(1-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 4- [ (3-Piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (2-pyrimidinyl)-2- pyrazolin-5-one,

4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (2-pyrimidinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Oxo-1, 5,6,7-tetrahydroindol-2-yl) methylene]-3- (2-pyrimidinyl)-2-pyrazolin-5- one, <BR> <BR> 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4- { [ (4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4-[(3,5-Dimethyl-4-(1-pyrrolidinylmethylpyrrol-2-yl)methylen e]-3-(3-pyridazinyl)- 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethanolaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (3-<BR> <BR> <BR> <BR> <BR> pyridazinyl)-2-pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4-[(3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl)methy lene]-3-(3- pyridazinyl)-2-pyrazolin-5-one, 4- { [3- (4-Methyl-l-piperazinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 3- (3-Pyridazinyl)-4- {[3-(1-pyrrolidinyl)(3-Pyridazinyl)-4- {[3-(1-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2- <BR> <BR> yl] methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (3-pyridazinyl)-<BR> <BR> <BR> <BR> <BR> 2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (3-pyridazinyl)-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (3-pyridazinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3,5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (3-pyridazinyl)-2-pyrazolin-5- one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one,

4- [ (3,5-Dimethyl-4- { [ (4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)- 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4- (piperidinomethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one, 4- [ (4-Diethanolaminomethyl-3,5-dimethyl-pyrrol-2-yl) methylene]-3- (4- <BR> <BR> pyridazinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- [ (3-Morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- [ (3-Diethylaminomethyl-4, 5-tetramethylenepyrrol-2-yI) methylene]-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- { [3- (4-Methyl-l-piperazinyl) methyl-4,5-tetramethylenepyrrol-2-yl] methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 3- (4-Pyridazinyl)-4- { [3- (l-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Piperidinomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (4-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminoethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (4-pyridazinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3,5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (4-pyridazinyl)-2-pyrazolin-5- one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4- {[(4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3- (5- isoxazolyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- [ (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethanolaminomethyl-3,5-Dimethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)- 2-pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (5- isoxazolyl)-2-pyrazolin-5-one,

3- (5-Isoxazolyl)-4- [ (3-morpholinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]- 2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Diethylaminomethyl-4, 5-tetramethylenepyrrol-2-yl) methylene]-3- (5-<BR> <BR> <BR> <BR> <BR> <BR> isoxazolyl)-2-pyrazolin-5-one, 3- (5-Isoxazolyl) 4- { [3- (4-methyl-1-piperazinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}--2-pyrazolin-5-one, 3- (5-isoxazolyl)-4-1 [3- (l-pyrrolidinyl) methyl-4,5-tetramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3- (5-Isoxazolyl)-4- [ (3-piperidinomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (5-isoxazolyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (4-Oxo-1,5,6,7-tetrahydroindol-2-yl) methylene]-3- (5-isoxazolyl)-2-pyrazolin-5- one, <BR> <BR> 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2-<BR> <BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, <BR> <BR> 4-[(3, 5-Dimethyl-4- {[(4-methyl-1-piperazinylmethyl) pyrrol-2-yl] methylene}-3-(5- methyl-3-isoxazolyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- [ (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethanolaminomethyl-3,5-dimethyl-pyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (5-methyl- 3-isoxazolyl)-2-pyrazolin-5-one, 3- (5-Methyl-3-isoxazolyl)-4- [ (3-morpholinomethyl-4, 5-tetramethylenepyrrol-2- yl) methylene]- 2-pyrazolin-5-one, <BR> <BR> 4- [ (3-Diethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 3- (5-Methyl-3-isoxazolyl) 4- {[3-(4-methyl-1-piperazinyl) methyl-4,(5-Methyl-3-isoxazolyl) 4- {[3-(4-methyl-1-piperazinyl) methyl-4, 5- tetramethylenepyrrol-2-yl] methylene}--2-pyrazolin-5-one, 3-(5-Methyl-3-isoxazolyl)-4-{[3-(1-pyrrolidinyl)methyl-4,5-t etramethylenepyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3- (5-Methyl-3-isoxazolyl) 4- [ (3-piperidinomethyl-4,5-tetramethylenepyrrol-2- yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Dimethylamino-4,5,6,7-tetrahydroindol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one,

4- [ (4-Diethylaminoethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, <BR> <BR> 4- (3, 5-Dibromo-4-hydroxybenzylidene)-3- (5-methyl-3-isoxazolyl)-2-pyrazolin-5- one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 3-(5-Methyl-3-isoxazolyl)-4-[(4-oxo-1, 5,6,7-tetrahydroindol-2-yl) methylene]-2- pyrazolin-5-one, 4- [ (4-Dimethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 3-cyclopropyl-4- (1-3- [ (dimethylamino) methyl]-4,5,6,7-tetrahydro-1H-2- indolylmethylidene)-4,5-dihydro-1H-5-pyrazolone, 3-cyclopropyl-4-(1-4-[(1, 1-dimethylammonio) methyl]-3, 5-dimethyl-1H-2- pyrrolylmethylidene)-4,5-dihydro-lH-5-pyrazolone maleate, 4- [l- (4- [ [2- (dimethylamino) ethyl] (methyl) amino] methyl-3,5-dimethyl-lH-2- pyrrolyl) methylidene]-3- (2-pyrazinyl)-4, 5-dihydro-lH-5-pyrazolone 4- (1-4- [2- (diethylamino) ethyl]-3,5-dimethyl-lH-2-pyrrolylmethylidene)-3- (2- pyrazinyl)-4, 5-dihydro-1H-5-pyrazolone, 4-1- [4- (3-chloropropanoyl)-3, 5-dimethyl-1H-2-pyrrolyl] methylidene-3- (2- pyrazinyl)-4,5-dihydro-1H-5-pyrazolone, 4- (1-3- [ (dimethylamino) methyl]-4,5,6,7-tetrahydro-lH-2-indolylmethylidene)-3- (2- pyrazinyl)-4,5-dihydro-lH-5-pyrazolone, 4- (1-4- [ (dimethylamino) methyl]-3,5-dimethyl-lH-2-pyrrolylmethylidene)-3- (5- methyl-3-isoxazolyl)-4,5-dihydro-1H-5-pyrazolone, 3-Cyclopropyl-4- [ (4, 5-dimethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Benzyl-4- [(pyrrol-2-yl)[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Methoxyphenyloxymethyl)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Phenyloxymethyl-4- [(pyrrol-2-yl)[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Chlorophenyloxymethyl)-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Methoxybenzyl)-4-[(pyrrol-2-yl)methylene]-2-pyrazolin-5 -one, 3-Benzyl-4-{[4-(2-carboxyethyl)-3-methylpyrrol-2-yl]methylen e}-2-pyrazolin-5- one, 3-Benzyl-4- {[3-(2-carboxyethyl)-4-methylpyrrol-2-yl] methylene}-2-pyrazolin-5- one, 3-(4-Methylphenyloxymethyl)-4-[(pyrrol-2-yl)methtylene]-2-py razolin-5-one, 2-Amino-4- [) pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Phenylethyl-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Phenylamino-4-[(pyrrol-2-yl)methylene]-2-pyrazolin-5-one, 3- (4-Methylbenzyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Methylphenylamino)-4-[(pyrrol-2-yl)methylene]-2-pyrazol in-5-one, 3- (4-Methoxyphenylamino)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one 3- (4-Chlorobenzyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Chlorophenylamino)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (3-Chlorophenyloxymethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (Indol-3-yl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,

3-(3-Methoxybenzyl)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (3, 4-Dimethoxybenzyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (4-Methoxyphenylethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (4-Phenylphenyloxymethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (2-Phenylpropyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- (3-Phenylpropyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (4-Hydroxyphenylethyl)-4- [ (pyrrol-2-yl) methyl ene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethylpyrrol-2-yl) methylene]-3-phenylethyl-2-pyrazolin-5-one, 3- (4-Methylphenylethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (3,5-Dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Ethoxy-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- (4-Nitrophenylethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3- (4-Fluorophenylammo)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-(4-Chlorophenylethyl)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4,5-Dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3-phenylethyl-2-pyrazolin-5-one, 4- { [1- (4-Hydroxybutyl) pyrrol-2-yl] methylene}-3-isopropoxy-2-pyrazolin-5-one, 3-Cyclopentyloxy-4- [(pyrrol-2-yl)[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Tert-butylureido-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (4-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (4-Aminophenylethyl)-4- [ (4-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (1-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (5-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (4-Aminophenylethyl)-4- [ (3, 5-dimethyl-4-ethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Ethoxy-4- [ (5-methylpyrrol-2-yl) methylene] 2-pyrazolin-5-one, 3- (4-Carbamoylphenylethyl)-4- [ (3,5-dimethyl-4-ethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, <BR> <BR> 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (4-methoxycarbonylphenylethyl- 2-pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 3- (4-Aminophenylethyl)-4- [ (3, 5-dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 4- [ (5-Ethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (4-hydroxyphenylethyl)-2- pyrazolin-5-one, <BR> <BR> 3- (Ethoxycarbonylmethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (4-Methoxyphenylammocarbonylmethyl)-4- [ (pyrrol-2-yl) methylcne]-2-pyrazolin- 5-one, <BR> <BR> 4- {(3-(2-Carboxyethyl)-4-methylpyrrol-2-yl] methylene}-3-isopropyl-2-pyrazolin-5- one, 3-Cyclopropyl-4-[(pyrrol-2-yl)methylene]-2-ppyrazolin-5-one, 3-Cyclobutyl-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (3-Pyridil)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,

3-Cyclopropyl-4- [ [ 1- (3, 5-dichlorophenyl) pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (Pyrrol-2-yl) methylene]-3- (2,2,3,3-tetramethylcyclopropyl)-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3, 5-dimethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopentyl-4- [(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(2-Methylcyclopropyl)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- (Benzothiazol-2-yl)-4-[(pyrrol-2-yl)(Benzothiazol-2-yl)-4-[( pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4,5-Dimethylpyrrol-2-yl) methylene]-4- (3-pyridyl)]-2-pyrazolin-5-one, 3-Cyclopropyl-4 [ (3, 5-dimethyl-4-ethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (Pyrrol-2-yl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-(Benzothiazol-2-yl)-4-[(4-methylpyrrol-2-yl)methylene]-2-p yrazolin-5-one, 4- [ (3, 5-Dimethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, 4- [3,5-Dimetyl-4-ethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (5-methylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4- [ (5-Methylpyrrol-2-yl) methylene]-3- (-3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- [ (5-ethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3, 5-dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Isopropoxy-4- [ (5-phenylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Propyl-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3-Methyl-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-(4-Isopropylphenylamino)-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (3-Phenylamino)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[1-(4-hydroxybutyl)pyrrol-2-yl]methtylene]- 2-pyrazolin-5-one, 4- { [4- (2-Carboxyethyl)-3-methylpyrrol-2-yl] methylene}-3-isopropoxy-2-pyrazolin- 5-one, 4- [ (4-Carboxy-3, 5-dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3-isopropoxy-2- pyrazolin-5-one, 4- [ (4-Acetyl-3, 5-dimethylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4-f [3, 5-Dimethyl-4- (2-dimetylaminoethyloxycarbonyl) pyrrol-2-yl] methylene}-3- isopropoxy-2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4- (2-dimetylaminoethylaminocarbonyl) pyrrol-2-yl] methylene}-3- isopropoxy-2-pyrazolin-5-one, 4- [ (5-Ethoxycarbonylpyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (5-Carboxypyrrol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3- (4-Chlorophenylaminocarbonylmethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5- one, 3-Cyclopropyl-4- [ (5-phenylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (tetrahydrofuran-3-yl)-2- pyrazolin-5-one, 4- [ (4-Carboxy-3,5-dimethylpyrrol-2-yl) methylene]-3-cyclopropyl-2-pyrazolin-5- one,

4- [ (3, 5-dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin- 5-one, 3-Cyclopropyl-4- [ (3, 5-dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 4- [ (3, 4-dimethylpyrro 1-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4-(2-Carboxyethyl)-3-methylpyrrol-2-yl] methylene}-3-cyclopropyl-2-pyrazolin- 5-one, <BR> <BR> 3-Cyclopropyl-4- [ (3, 5-dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (5-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- (2-Methoxycarbonylethyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-Ethoxycarbonyl-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropyl-4- [(pyrrol-2-yl)[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (trans-2-phenylcyclopropyl)-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclohexyl-4- [ (pyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropylamino-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5- one, <BR> <BR> 3-Cyclopropyl-4- [ (5-morpholinomethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (5-Carboxypyrrol-2-yl) methylene]-3-cyclopropyl-2-pyrazolin-5-one, 4- [ (4-Chloropyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Bromopyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (5-Chloropyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 4 [ (4-Chloropyrrol-2-yl) methyl ene]-3-cyclopropyl-2-pyrazolin-5-one, 4- [ (4-Bromopyrrol-2-yl) methylene]-3-cyclopropyl-2-pyrazolin-5-one, 3-Pyrazinyl-4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (3-Pyridyl)-4- [ (4, 5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Carboxy-3, 5-dimethylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 3-Cyclopropyl-4- { [3,5-dimethyl-4- (2-dimethylaminoethyloxycarbonyl) pyrrol-2- yl] methylene}-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4 (2-dimethylaminoethyloxycarbonyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one maleate, 4-{[3,5-Dimethyl-4-(2-morpholinoethylaminocarbonyl)pyrrol-2- yl]methylene-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethylpyrrol-2-yl) methylene]-3- (2-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3- (2-pyridyl)-2-pyrazolin-5-one, 4- [ (4,5-tetramethylenepyrrol-2-yl) methylene]-3-(2-pyridyl)-2-pyrazolin-5-one, 4- [ (3,5-dimethylpyrrol-2-yl) methylene]-3- (2-furyl)-2-pyrazolin-5-one, 4- [ (3,5-dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3,5-dimethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one,

3-Cyclopropyl-4- [ (3, 5-dimethyl-4-trifluoroacetamidomethylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- [ (4-aminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one, <BR> <BR> 3- (Benzothiazol-2-yl)-4- [ (3, 5-dimethylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3- (Benzothiazol-2-yl)-4- [ (3, 5-dimethyl-4-morpholinomethylpyrrol-2-yl) methylene]- 2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Ethoxycarbonylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Carboxypyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3,5-Dimethyl-4-diethanolaminomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-trifluoroacetamidomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- [ (4-ethoxycarbonyl-3-phenylpyrrol-2-yl) methylene]-2-pyrazolin-5- one, <BR> <BR> 4-f [3, 5-Dimethyl-4- (1-pyrrolidinylmethyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2-<BR> <BR> <BR> <BR> <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (3-pyridyl)-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3-phenyl-2-pyrazolin-5- one, 4- [ (3,5-Dimethyl-4-ethylpyrrol-2-yl) methylene]-3-phenyl-2-pyrazolin-5-one, 4- [ (3,4-Di (ethoxycarbonyl) pyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 3-Ethoxy-4- [ (4-ethoxycarbonylpyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (2-pyridylethyl)-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (l-methyl-2- phenylethyl)-2-pyrazolin-5-one, 4- [ (4-Carboxy-3,5-dimethylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 3-Ethoxy-4- [ (5-nitropyrrol-2-yl) methylene]-2-pyrazolin-5-one, 3-Ethoxy-4- [ (4-nitropyrrol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (4-Carboxypyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 4-f [3, 5-Dimethyl-4- (2-dimethylaminoethylaminocarbonyl) pyrrol-2-yl) methylene}- 3-ethoxy-2-pyrazolin-5-one, 4- [ (5-Chloro-3-methoxycarbonyl-4-methoxycarbonylmethylpyrrol-2- yl) methylene]- 3-ethoxy-2-pyrazolin-5-one, <BR> <BR> 4- { [3- (2-Carboxyethyl)-4-methylpyrrol-2-yl] methylene}-3-ethoxy-2-pyrazolin-5- one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5- one, 3-Ethoxy-4- [ (4, 5-tetramethylenepyrrol-2-yl) methylene]-2-pyrazolin-5-one,

4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3-trifluoromethyl-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, 3- (3-Aminophenyl)-4- [ (3, 5-Dimethyl-4-ethoxycarbonylpyrrol-2-yl) methylene]-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 3-Ethoxy-4- {[2-(4-morpholinoethyl) aminocarbonylpyrrol-2-yl] methylene}-2- pyrazolin-5-one, 4- [ (4-Ethoxycarbonyl-3-phenylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one, 4- { [4- (4-Methyl-1-pyperazinylmethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-piperidinomethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (5-isoxazolyl)-2- pyrazolin-5-one, 4- [ (5-Methyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- { {3,5-Dimethyl-4- [N- (2-dimethylaminoethyl)-N-methylaminomethylpyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-dimethylaminomethyl-4, 5-tetramethylenepyrrol-2- yl) methylene]-2-pyrazolin-5-one, 4- [ (3-Dimethylaminomethyl-4,5-tetramethylenepyrrol-2-yl) methylene]-3-pyrazinyl- 2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3, 5-dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one maleate, 4-{[4-(3-Chloropropionyl)-3,5-dimethylpyrrol-2-yl]methylene} -3-pyrazinyl-2- pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl]methylen e}-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4-dimethylaminomethylpyrrol-2-yl) methylene]-3- (5-methyl-3- isoxazolyl)-2-pyrazolin-5-one, 4- {[3, 5-Dimethyl-4-(4-hydroxypiperidinomethyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Aminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5- one maleate, <BR> <BR> 4-f [4- (4-Benzylpiperidino) methylpyrrol-2-yl] methylene}-3-pyrazinyl-2-pyrazolin- 5-one, 4- { [3, 5-Dimethyl-4- (2-hydroxyethyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- { {3, 5-Dimethyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3-pyrazinyl-2- pyrazolin-5-one,

3-Cyclopropyl-4- { {3, 5-Dimethyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2- yl}methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- { [3, 5-Dimethyl-4- (2-hydroxyethyl) pyrrol-2-yl] methylene}-2- pyrazolin-5-one, 4- { [3, 5-Dimethyl-4-(2-ethylaminoethyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-{[4-(3-Dithtylaminopropyl)-3,5-dimethylpyrrol-2-yl]methyle ne}-3-pyrazinyl-2- pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (3-hydroxypropyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3,5-Dimethyl-4-dimethylaminoacetylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one hydrochloride, 4- [ (3, 5-Dimethyl-4-dimethylaminoacetylpyrrol-2-yl) methylene]-3-ethoxy-2- pyrazolin-5-one, 3-Cyclopropyl-4-{[(2-diethylaminoethyl)-3,5-dimethyl-4-pyrro l-2-yl]methylene}-2- pyrazolin-5-one, <BR> <BR> 4- { [3, 5-Dimethyl-4- (2-dimethylaminoethyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (4-hydroxybutyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-{[4-(4-Diethylaminobutyl)-3,5-dimethylpyrrol-2-yl]methylen e}-3-pyrazinyl-2- pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl-N-oxide)-3,5-dimethylpyrrl-2-yl]m ethylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3,5-dimethyl-4- (l-pyrrolidinylacetyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (4-Diethylaminoacetyl-3,5-dimethylpyrrol-2-yl) methylene]-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (3-Isopropyl-5-methylpyrrol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4-[3-(1-pyrrolidinylpropyl)] pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-[(Dimethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl)meth ylene]-3-pyrazinyl- 2-pyrazolin-5-one, 3-Cyclopropyl-4-[(dimethylaminomethyl-3-isopropyl-5-methylpy rrol-2- yl)methylene]-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4-(2-ethoxyoxalyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 3-Benzyl-4-[(indol-3-yl)methylene]-2-pyrazolin-5-one, 3-Benzyl-4-{[1-(4-hydroxybutyl)indol-3-yl]methylene}-2-pyraz olin-5-one, 4- [ (Indol-3-yl) methylene]-3- (4-methoxyphenyloxymethyl)-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-phenyloxytmethyl-2-pyrazolin-5-o ne, 3- (4-Chlorophenyloxymethyl)-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (4-methoxybenzyl)-2-pyrazolin-5-one, 4- [(Indol-3-yl) methylene]-3-(4-methylphenyloxymethyl)-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-phenylethyl-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-isopropoxy-2-pyrazolin-5-one,

4- [ (Indol-3-yl) methylene]-3- (4-methylbenzyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4-[(Indol-3-yl) methylene]-3-phenylamino-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4-[(Indol-3-yl) methylene]-3-(4-methylphenylamino)-2-pyrazolin-5-one,<BR& gt; <BR> <BR> <BR> 4- [ (Indol-3-yl) methylene]-3- (4-methoxyphenylamino)-2-pyrazolin-5-one, 3- (4-Chlorobenzyl)-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4-1 [1- (4-hydroxybutyl) indol-3-yl] methylene)-3- (4-methoxybenzyl)-2-pyrazolin-5- one, 3-(4-Chlorophenylamino)-4- [(indol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (3-methoxybenzyl)-2-pyrazolin-5-one, 3-(3,4-dimethoxybenzyl)-4-[(indol-3-yl)methylene]-2-pyrazoli n-5-one, <BR> <BR> 3-(4-hydroxybenzyl)-4- [(indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (3-Chlorophenyloxymethyl)-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 3- (Indol-3-yl)-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (4-methoxyphenylethyl)-2-pyrazolin-5-one, 4- [(Indol-3-yl) methylene]-3-(4-phenylphenyloxymethyl)-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-(2-phenylpropyl)-2-pyrazolin-5-o ne, 4- [ (Indol-3-yl) methylene]-3- (3-phenylpropyl)-2-pyrazolin-5-one, 3- (4-Hydroxyphenylethyl)-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (4-methylphenylethyl)-2-pyrazolin-5-one, 3-Ethoxy-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)indol-3-yl]methylene}-3-isopropoxy-2-p yrazolin-5-one, 4- { [1- (4-Hydroxybutyl) indol-3-yl] methylene}-3-phenylethyl-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (4-nitrophenylethyl)-2-pyrazolin-5-one, 4- [(Indol-3-yl) methylene]-3-propoxy-2-pyrazolin-5-one, 3-(4-Fluorophenylamino)-4-[(indol-3-yl)mehtylene]--2-pyrazol in-5-one, 3-(4-Aminophenylethyl)-4-[(indol-3-yl)methylene]-2-pyrazolin -5-one, 3-Isopropoxy-4- [(2-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (7-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (7-Methylindol-3-yl) methylene]-3-phenylethyl-2-pyrazolin-5-one, 3-Cyclopentyl-4-[(indol-3-yl)methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (l-methylindol-3-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4-[(Indol-3-yl) methylene]-3-(4-methoxycarbonylphenylethyl)-2-pyrazolin-5-on e, 3-Isopropoxy-4- [ (1-isopropylindol-3-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 3- (4-Hydroxyphenylethyl)-4- [ (l-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 3-Isopropyl-4- [(indol-3-yl)[(indol-3-yl) methylene]-2-pyrazolin-5-one, 3-(4-Chlorophenylaminocarbonylmethyl)-4-[(indol-3-yl)methyle ne]-2-pyrazolin-5- one, 3-Ethoxycarbonylmethyl-4-[(indol-3-yl)methylene]-2-pyrazolin -5-one, 4- [ (Indol-3-yl) methylene]-3- (4-methoxyphenylaminocarbonylmethyl)-2-pyrazolin- 5-one, 3-Cyclopropyl-4-[(indol-3-yl)methylene]-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-(3-pyridyl)-2-pyraolin-5-one, <BR> <BR> 3-(2-Aminocarbonylethyl)-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 3-Cyclobutyl-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one, 3-(2-Dimethylaminocarbonylethyl)-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[1-(4-hydroxybutyl)indol-3-yl]methylene}-2- pyrazolin-5-one,

4- [ (Indol-3-yl) methylene]-3- (4-pyridyl)-2-pyrazolin-5-one, 3-Cyclopentyl-4-[(indol-3-yl)methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (2,2,3,3-tetramethylcyclopropyl)-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-(2-methylcyclopropyl)-2-pyrazoli n-5-one, 3-Cyclohexyl-4-f [1- (4-hydroxybutyl) indol-3-yl] methylene}-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)indol-3-yl]methylene}-3-(4-pyridyl)-2- pyrazolin-5-one, 3-(Benzothiazol-2-yl)-4-[(indol-3-yl)methylene]-2-pyrazolin- 5-one, 4-[(Indol-3-yl)methylene]-3-(2-pyridyl)-2-pyrazolin-5-one, 3-Dimethylamino-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-3-yl) methylene]-3- (pyrrol-2-yl)-2-pyrazolin-5-one, 4-[(Indol-3-yl) methylene]-3-(6-methoxybenzothiazol-2-yl)-2-pyrazolin-5-one, 3-Cyclopropyl-4-[(1-methylindol-3-yl)methylene]-2-pyrazolin- 5-one, 3-Cyclopropyl-4- [ (7-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 4-[(1-Methylindol-3-yl)methylene]-3-(3-pyrridyl)-2-pyrazolin -5-one, 4-[(Indol-3-yl) methylene]-3-propyl-2-pyrazolin-5-one, 4- [(Indol-3-yl) methylene]-3-methyl-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-trifluoromethyl-2-pyrazolin-5-on e, 4- { [1- (4-Hydroxybutyl) indol-3-yl] methylene}-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)indol-3-yl]methylene}-3-methyl-2-pyraz olin-5-one, <BR> <BR> 4- { [1- (4-Hydroxybutyl) indol-3-yl] methylene}-3-trifluoromethyl-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)indol-3-yl]methylene}-3-(tert-butyl)-2 -pyrazolin-5-one, <BR> <BR> 3-Ethoxycarbonyl-4- [ (indol-3-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4-[(Indol-3-yl) methylene]-3-(2-methoxycarbonylethyl)-2-pyrazolin-5-one, 4-[(Indol-3-yl)methylene]-3-(trans-2-phenyl-1-cyclopropyl)-2 -pyrazolin-5-one, 3-Cyclobutyl-4-f [1- (4-hydroxybutyl) indol-3-yl] methylene}-2-pyrazolin-5-one, 4-[(6-carboxy-1-methylindol-3-yl)methylene]-3-cyclopropyl-2- pyrazolin-5-one, 3-Cyclopropyl-4-[(5-methoxy-1-methylindol-3-yl)methylene]-2- pyrazolin-5-one, 4-[(1-Methylindol-3-yl)methylene[-3-pyrazinyl-2-pyrazolin-5- one, 3-Cyclopropyl-4- [ (1, 7-dimethylindol-3-yl) methylene]-2-pyrazolin-5-one, 4-[(1-Methylindol-3-yl)methylene]-3-(tetrahydrofuran-3-yl)-2 -pyrazolin-5-one, 3-Cyclopropylamino-4- [ (1-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 4- [(6-Carboxy-1-methylindol-3-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (1, 7-Dimethylindol-3-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Isopropoxy-4-[(5-methoxy-1-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 3-(4-Fluorophenylamino)-4-[(1-methylindol-3-yl)methylene]-2- pyrazolin-5-one, 4- [ (l-Methylindol-3-yl) methylene]-3-trifluoroacetamido-2-pyrazolin-5-one, 3-(4-Aminophenylethyl)-4-[(1-methylindol-3-yl)methylene]-2-p yrazolin-5-one, 3-Amino-4- [(1-methylindol-3-yl)[(1-methylindol-3-yl) methylene]-2-pyrazolin-5-one, 3-(4-Chlorophenylethyl)-4-[(indol-3-yl)methylene]-2-pyrazoli n-5-one, 3-Ethoxy-4-[(1-methylindol-3-yl)methylene]-2-pyrazolin-5-one , 3-(5-Isoxazolyl)-4-[(1-methylindol-3-yl)methylene]-2-pyrazol in-5-one, 4- [ (l-Methylindol-3-yl) methylene]-3-tert-butyl-2-pyrazolin-5-one, 4- [(6-Carboxy-1-methylindol-3-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4-{{1-Methyl-6-[2-(4-morpholino) ethyl] aminocarbonylindol-3-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-[(Indol-2-yl)methylene]-3-isopropoxy-2-pyrazolin-5-one,

3-(4-Hydroxyphenylethyl)-4-[(indol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3- (4-Aminophenylethyl)-4- [ (indol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 3-(4-Methoxycarbonylphenylethyl)-4-[(indol-2-yl) methylene]-2-pyrazolin-5-one, 3-(4-Carbamoylphenylethyl)-4-[(indol-2-yl)methylene]-2-pyraz olin-5-one, 3-Cyclopropyl-4- [(indol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-dimethylaminomethylindol-2-yl) methylene]-2-pyrazolin-5-one, <BR> <BR> 4- [ (Indol-2-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 3-Isopropoxy-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-Isopropoxy-4- [ (l-methylindol-2-yl) methylene]-2-pyrazolin-5-one, 4-[(Indol-2-yl)methylene]-3-(tetrahydrofuran-3-yl)-2-pyrazol in-5-one, 3-Cyclopropyl-4- [ (5-methoxyindol-2-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (5-nitroindol-2-yl) methylene]-2-pyrazolin-5-one, 4-[(Indol-2-yl)methylene]-3-isopropylamino-2-pyrazolin-5-one , 3- (4-Carboxyphenylethyl)-4- [ (indol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (Indol-2-yl) methylene]-3-phenyl-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (3-methylindol-2-yl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- { [3- (2-methoxycarbonyl-2-acetamidoethyl) indol-2-yl] methylene}- 2-pyrazolin-5-one, 3-Ethoxy-4-[(indol-2-yl)methylene]-2-pyrazolin-5-one, 3-Ethoxy-4- {[3-(4-morpholinomethyl) indol-2-yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[3-(4-morpholinomethyl)indol-2-yl]methylene }-2-pyrazolin-5- one, 4- [ (5-Methoxyindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (5-Methoxyindol-2-yl) methylene]-3- (2-pyridyl)-2-pyrazolin-5-one, 4- [ (4-Chloro-6,7-dihydroindol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 4- [ (4-Chloro-6,7-dihydroindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4-[(4-Oxo-1, 5,6,7-dihydroindol-2-yl) methylene]-3-pyrazinyl-2-pyrazolin-5-one, 4- [ (3-Dimethylaminomethylindol-2-yl) methylene]-3-ethoxy-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-benzyl-2-pyrazolin-5-one, 3-Benzyl-4-f [1- (4-hydroxybutyl)-7-azaindol-3-yl] methylene}-2-pyrazolin-5-one, <BR> <BR> 4- [ (7-Azaindol-3-yl) methylene]-3- (4-methoxyphenyloxymethyl)-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Amino-4- [ (7-azaindol-3-yl) methylene]-2-pyrazolin-5-one, 4-[(7-Azaindol-3-yl)methylene]-3-(4-methoxybenzyl)-2-pyrazoi n-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-phenylamino-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3- (4-methylbenzyl)-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3- (4-hydroxyphenylethyl)-2-pyrazolin-5-one, <BR> <BR> 4- {[1-(4-Hydroxybutyl)-7-azaindol-3-yl] methylene}-3-(4-hydroxyphenylethyl)-2- pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-isopropyl-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-cyclopropyl-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-cyclobutyl-2-pyrazolin-5-one, <BR> <BR> 4- [ (7-Azaindol-3-yl) methylene]-3- (3-pyridyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 4- [ (7-Azaindol-3-yl) methylene]-3-phenyl-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3- (4-fluorophenylamino)-2-pyrazolin-5-one, 4-[(7-Azaindol-3-yl)methylene]-3-propyl-2-pyrazolin-5-one,

4- [ (7-Azaindol-3-yl) methylene]-3-methyl-2-pyrazolin-5-one, <BR> <BR> 4- [ (7-Azaindol-3-yl) methylene]-3-trifluoromethyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (7-Azaindol-3-yl) methylene]-3- (tert-butyl)-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)-7-azaindol-3-yl]methylene}-3-trifluor omethyl-2-pyrazolin- 5-one, 4- [ (7-Azaindol-3-yl) methylene]-3- (4-isopropylphenylamino)-2-pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3- (3-methylphenylamino)-2-pyrazolin-5-one, 4-{[1-(4-Hydroxybutyl)-7-azaindol-3-yl]methylene}-3-(3-methy lphenylamino)-2- pyrazolin-5-one, 4- [ (7-Azaindol-3-yl) methylene]-3-phenylethyl-2-pyrazolin-5-one, 3-Benzyl-4-[(4-dimethylaminophenyl)methylene]-2-pyrazolin-5- one, 4- [ (4-Dimethylaminophenyl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- [ (4-Dimethylaminophenyl) methylene]-3-phenylethyl-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-dimethylaminophenyl) methylene]-2-pyrazolin-5-one, 3-Isopropoxy-4- [ (3-methylpyrazol-4-yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-methylpyrazol-4-yl) methylene]-2-pyrazolin-5-one, 4-[(Imidazol-2-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (imidazol-2-yl) methylene]-2-pyrazolin-5-one, 4- [ (Imidazol-4-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 3-Cyclopropyl-4-[(thien-2-yl)methylene]-2-pyrazolin-5-one, 4[(Indol-3-yl)methylene]-3-isopropyl-1-methyl-2-pyrazolin-5- one, 3-Isopropoxy-4-[(pyrrol-3-yl)methylene]-2-pyrazolin-5-one, 4- [ (8-Hydroxyquinolin-5-yl) methylene]-3-isopropoxy-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- {[4-(2-Diethylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(3-pyridazinyl)- 2-pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl]methylen e}-3-(2-furyl)-2- pyrazolin-5-one, 4- { [4-(2-Diethylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(2-thienyl)-2- pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl]methylen e}-3-(4-pyrimidinyl)- 2-pyrazolin-5-one, 4- { [4- (2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (5-pyrimidinyl)- 2-pyrazolin-5-one, 4- { [4- (2-Diethylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (4-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- [ (3, 5-dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- [ (4-diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-2- pyrazolin-5-one, 3-Cyclopropyl-4- { [4- (2-cyclopropylaminoethyl)-3, 5-dimethylpyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- {[3, 5-dimethyl-4-(2-phenylaminoethyl) pyrrol-2-yl] methylene}-2- pyrazolin-5-one,

3-Cyclopropyl-4- { {3,5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2- yl}methylene}-2-pyrazolin-5-one, 4- { [4- (2-Carboxyethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-cyclopropyl-2- <BR> <BR> pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- [ (4-diethylaminomethyl-3-isopropyl-5-methylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4- { [4- (l-pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2- yl]methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- { {3-isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2- yl}methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- { [4- (2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2- yl] methylene}-2-pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- { {4-[3-(1-pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> <BR> yl} methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[3-isopropyl-5-methyl-4-(4-piperidinobutyl) pyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- { {4- [3- (4-pyridylmethylamino) propyl]-3-isopropyl-5- <BR> <BR> methylpyrrol-2-yl}methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4-f [4- (4-dimethylaininobutyl)-3-isopropyl-5-methylpyrrol-2- yl]methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- [ (3-cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2- yl) methylene]-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[3-cyclopropyl-4-(1-pirrolidinylmethyl)-5-m ethylpyrrol-2- yl]methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- { {3-cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2- yl} methylene}-2 pyrazolin-5-one, 3-Cyclopropyl-4- { {3-cyclopropyl-4- [2-di (methoxyethyl) aminoethyl]-5- <BR> <BR> methylpyrrol-2-yl}methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 3-Cyclopropyl-4- {[3-cyclopropyl-4-(3-diethylaminopropyl)-5-methylpyrrol-2- yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4-{{3-cyclopropyl-4-[3-(2,5-dimethyl-1-pyrroli dinyl)propyl]-5- methylpyrrol-2-yl} methylene}-2-pyrazolin-5-one, <BR> <BR> 3-Cyclopropyl-4- {[3-cyclopropyl-5-methyl-4-(3-phenylmethylaminopropyl) pyrrol- 2-yl] methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4- {{3-cyclopropyl-5-methyl-4-[4-(1-pyrrolidinyl) butyl] pyrrol-2- yl}methylene}-2-pyrazolin-5-one, 3-Cyclopropyl-4-{[3-cyclopropyl-5-methyl-4-(4-cyclobutylamin obutyl)pyrrol-2- yl]methylene}-2-pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminoethyl)-3,5-dimethylpyrrol-2-yl]meth ylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-(2-phenylaminoethyl)pyrrol-2-yl]methylene }-3-pyrazinyl-2- pyrazolin-5-one, 4- { {3,5-Dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- [4- (2-Carboxyethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (l-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)]pyrrol-2 -yl}methylene}-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[4-(2-Cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-y l] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 3-Pyrazinyl-4- { {4- [3- (l-pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrrol-2- yl}methylene}-2-pyrazolin-5-one, 4- { [3-Isopropyl-5-methyl-4- (4-piperidinobutyl) pyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, 3-Pyrazinyl-4- { {4- [3- (4-pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2- <BR> <BR> yl} methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- pyrazinyl-2-pyrazolin-5-one, 4- { 3-Cyclopropyl-5-methyl-4- [2- (I-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-4-[2-di (methoxyethyl) aminoethyl]-5-methylpyrrol-2- yl} methylene}-2-pyrazinyl-2-pyrazolin-5-one, 4- {[3-Cyclopropyl-4-(3-diethylaminopropyl)-5-methylpyrrol-2-yl ] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- {f 3-Cyclopropyl-4- [3- (2, 5-dimethyl-1-pyrrolidinyl) propyl]-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl]mehylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {{3-Cyclopropyl-5-methyl-4-[4-(1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [3-Cyclopropyl-5-methyl-4- (4-cyclobutylaminobutyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (1-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (2-furyl)-2- pyrazolin-5-one, 4- [4- (2-Cyclopropylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (2-furyl)- 2-pyrazolin-5-one, 4- { [3, 5-Dimethyl-4-(2-ethylaminoethyl)-pyrrol-2-yl]methylene}-3-(2 -furyl)-2- pyrazolin-5-one, 4- { [3, 5-dimethyl-4-(2-phenylaminoethyl) pyrrol-2-yl] methylene}-3- (2-furyl)-2- pyrazolin-5-one, 4- { {3, 5-Dimethyl-4-[2-(4-pyridylmethylamino)ethyl]pyrrol-2-yl}meth ylene}-3-(2- furyl)-2-pyrazolin-5-one,

4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (2-firyl)- 2-pyrazolin-5-one, 4- {[4-(1-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-(2- furyl)-2-pyrazolin-5-one, 4- {[4-(2-Carboxyethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(2-furyl)-2- pyrazolin-5-one, 4- { {3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3-(2- furyl)-2-pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (2- furyl)-2-pyrazolin-5-one, 3- (2-Furyl)-4- f f 4- [3- (1-pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrrol-2- yl} methylene}-2-pyrazolin-5-one, 3- (2-Furyl)-4- {[3-isopropyl-5-methyl-4-(4-piperidinobutyl)(2-Furyl)-4- {[3-isopropyl-5-methyl-4-(4-piperidinobutyl) pyrrol-2-yl] methylene}- 2-pyrazolin-5-one, <BR> <BR> 3- (2-Furyl)-4- { {4- [3- (4-pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-(2-<BR> <BR> <BR> <BR> <BR> <BR> furyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (2- furyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (2-furyl)-2-pyrazolin-5-one, 4- {3-Cyclopropyl-4-[2-di (methoxyethyl) aminoethyl]-5-methylpyrrol-2- yl}methylene}-3-(2-furyl)-2-pyrazolin-5-one, <BR> <BR> 4-f [3-Cyclopropyl-4- (3-diethylaminopropyl)-5-methylpyrrol-2-yl] methylene}-3- (2-<BR> <BR> <BR> <BR> <BR> furyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-4- [3- (2, 5-dimethyl-1-pyrrolidinyl) propyl]-5-methylpyrrol-2- yl} methylene}-3-(2-furyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl] methylene}-3- (2-furyl)-2-pyrazolin-5-one, 4- {f 3-Cyclopropyl-5-methyl-4- [4- (1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (2-furyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(4-cyclobutylaminobutyl)pyrrol- 2-yl]methylene}-3- (2-furyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (2- thienyl)-2- pyrazolin-5-one, 4- {[4-9(2-Cyclopropylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(2- thienyl)-2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-(2-ethylaminoethyl)-pyrrol-2-yl]methylene }-3-(2-thienyl)-2- pyrazolin-5-one, 4- { [3, 5-Dimethyl-4- (2-phenylaminoethyl) pyrrol-2-yl] methylene}-3- (2- thienyl)-2- pyrazolin-5-one, 4- { {3,5-Dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (2- thienyl)-2-pyrazolin-5-one,

4-{[4-(2-Carboxyethyl)-3,5-dimethylpyrrol-2-yl]methylene}-3- (2-thienyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (2- thienyl)-2-pyrazolin-5-one, 4- { [4- (l-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- { {3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3-(2-<BR> <BR> <BR> <BR> <BR> <BR> thienyl)-2-pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-y l] methylene}-3-(2- thienyl)-2-pyrazolin-5-one, 4- { {4- [3- (l-Pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrroI-2-yl} methylene}-3- (2- thienyl)-2-pyrazolin-5-one, 4-{[3-Isopropyl-5-methyl-4-(4-piperidinobutyl)pyrrol-2-yl]me thylene}-3-(2- thienyl)-2-pyrazolin-5-one, 4- { {4- [3- (4-Pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2- yl} methylene}-3-(2-thienyl)-2-pyrazolin-5-one, 4-{[4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl ]methylene}-3-(2- thienyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (2- thienyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (2-thienyl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[2-di(methoxyethyl)aminoethyl]-5-methylp yrrol-2- yl} methylene}-3-(2-thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- { [3-Cyclopropyl-4- (3-diethylaminopropyl)-5-methylpyrrol-2-yl] methylene}-3- (2- thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- { {3-Cyclopropyl-4- [3- (2, 5-dimethyl-l-pyrrolidinyl) propyl]-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-3-(2-thienyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl] methylene}-3-(2-thienyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4- [4- ( 1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (2-thienyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(4-cyclobutylaminobutyl)pyrrol- 2-yl]methylene}-3- (2-thienyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- ( 1-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 4- {[3, 5-Dimethyl-4-(2-ethylaminoethyl)-pyrrol-2-yl] methylene}-3-(4-pyrimidinyl)- 2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-(2-phenylaminoethyl)pyrrol-2-yl]methylene }-3-(4-pyrimidinyl)- 2-pyrazolin-5-one, 4- { {3, 5-dimethyl-4-[2-(4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one,

4-{[4-(2-Carboxyethyl)-3,5-dimethylpyrrol-2-yl]methylene}-3- (4-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 4- { [4- (l-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 4-{{3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)]pyrrol-2 -yl}methylene}-3-(4- pyrimidinyl)-2-pyrazolin-5-one, 4-{[4-(2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2 -yl]methylene}-3-(4- pyrimidinyl)-2-pyrazolin-5-one, 3-(4-Pyrimidinyl)-4-{{4-[3-(1-pyrrolidinyl)propyl]-3-isoprop yl-5-methylpyrrol-2- yl} methylene}-2-pyrazolin-5-one, 4- { [3-Isopropyl-5-methyl-4- (4-piperidinobutyl) pyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 4- { {4- [3- (4-Pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2- yl} methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4-{[4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl ]methylene}-3-(4- pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (4- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- { {3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[2-di(methoxyethyl)aminoethyl]-5-methylp yrrol-2- yl} methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-4- (3-diethylaminopropyl)-5-methylpyrrol-2-yl] methylene}-3- (4- pyrimidinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropy !-4- [3- (2, 5-dimethyl-l-pyrrolidmyl) propyl]-5-methylpyrrol-2- yl} methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4-f [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl] methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4- [4- ( 1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4- [3-Cyclopropyl-5-methyl-4- (4-cyclobutylaminobutyl) pyrrol-2-yl] methylene}-3- (4-pyrimidinyl)-2-pyrazolin-5-one, 4-[(3,5-Dimethyl-4-(1-pyrrolidinylmethylpyrrol-2-yl)methylen e]-3-(5-pyrimidinyl)- 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (5-pyrimidinyl)-2- pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (5- pyrimidinyl)-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-ethylaminoethyl)-pyrrol-2-yl] methylene}-3- (5-pyrimidinyl)- 2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-phenylaminoethyl) pyrrol-2-yl] methylene}-3- (5-pyrimidinyl)- 2-pyrazolin-5-one, 4- { {3, 5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (5- pyrimidinyl)-2-pyrazolin-5-one,

4-{[4-(2-Carboxyethyl)-3,5-dimethylpyrrol0-2-yl]methylene}-3 -(5-pyrimidinyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (5- pyrimidinyl)-2-pyrazolin-5-one, 4- {[4-(1-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-(5- pyrimidinyl)-2-pyrazolin-5-one, 4-{{3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)]pyrrol-2 -yl}methylene}-3-(5- pyrimidinyl)-2-pyrazolin-5-one, 4- {[4-(2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-y l] methylene}-3-(5- pyrimidinyl)-2-pyrazolin-5-one, 3- (5-Pyrimidinyl)-4- { {4- [3- (l-pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrrol-2- yl}methylene}-2-pyrazolin-5-one, 4- {[3-Isopropyl-5-methyl-4-(4-piperidinobutyl) pyrrol-2-yl] methylene}-3- (5- pyrimidinyl)-2-pyrazolin-5-one, 4-{{4-[3-(4-Pyridylmethylamino)propyl]-3-isopropyl-5-methylp yrrol-2- yl}methylene}-3-(5-pyrimidinyl)-2-pyrazolin-5-one, 4-{{4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl ]methylene}-3-(5- pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (5- pyrimidinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-4- [2-di (methoxyethyl) aminoethyl]-5-methylpyrrol-2- yl}methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4-{[3-cyclopropyl-4-(3-diethylaminopropyl)-5-methylpyrrol-2- yl]methylene}-3-(50- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- { {3-Cyclopropyl-4- [3- (2, 5-dimethyl-1-pyrrolidinyl) propyl]-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl] methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4- [4- (l-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- {[3-Cyclopropyl-5-methyl-4-(4-cyclobutylaminobutyl) pyrrol-2-yl] methylene}-3- (5-pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3, 5-Dimethyl-4- (l-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (2-pyrimidinyl)- 2-pyrazolin-5-one, 4-[(4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl)methylene]- 3-(2-pyrimidinyl)-2- pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(2- pyrimidinyl)-2-pyrazo lin-5-one, 4- {[3, 5-Dimethyl-4-(2-ethylaminoethyl)-pyrrol-2-yl] methylene}-3-(2-pyrimidinyl)- 2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-(2-phenylaminoethyl)pyrrol-2-yl]methylene }-3-(2-pyrimidinyl)- 2-pyrazolin-5-one, 4- { {3,5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (2- pyrimidinyl)-2-pyrazolin-5-one,

4- { [4- (2-Carboxyethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3- (2-pyrimidinyl)-2- pyrazolin-5-one, <BR> <BR> 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (2-<BR> <BR> <BR> <BR> pyrimidinyl)-2-pyrazolin-5-one, 4-{[4-(1-Pirrolidinylmethyl)-3-isorpopyl-5-methylpyrrol-2-yl ]methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4- { {3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, 4- {[4-(2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-y l] methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, 3-(2-Pyrimidinyl)-4-{{4-[3-(1-pyrrolidinyl)propyl]-3-isoprop yl-5-methylpyrrol-2- <BR> <BR> yl} methylene}-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[3-Isopropyl-5-methyl-4-(4-piperidinobutyl) pyrrol-2-yl] methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, 4-{{4-[3-(4-Pyridylmethylamino)propyl]-3-isopropyl-5-methylp yrrol-2- yl}methylene}-3-(2-pyrimidinyl)-2-pyrazolin-5-one, 4- {[4-(4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (2- pyrimidinyl)-2-pyrazolin-5-one, 4- {{3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (2-pyrimidinyl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[2-di(methoxyethyl)aminoethyl]-5-methylp yrrol-2- yl} methylene}-3-(2-pynmidinyl)-2-pyrazolin-5-one, 4- {[3-Cyclopropyl-4-(3-diethylaminopropyl)-5-methylpyrrol-2-yl ] methylene}-3-(2- pyrimidinyl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[3-(2,5-dimethyl-1-pyrrolidinyl)propyl]- 5-methylpyrrol-2- yl} methylene}-3- (2-pyrimidinyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(3-phenylmethylaminopropyl)pyrr ol-2- yl]methylene}-3-(2-pyrimidinyl)-2-pyrazolin-5-one, 4- { 3-Cyclopropyl-5-methyl-4- [4- (l-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (2-pyrimidinyl)-2-pyrazolin-5-one, 4- [3-Cyclopropyl-5-methyl-4- (4-cyclobutylaminobutyl) pyrrol-2-yl] methylene}-3- (2-pyrimidinyl)-2-pyrazolin-5-one, <BR> <BR> 4-[(3, 5-Dimethyl-4-(1-pyrrolidinylmethylpyrrol-2-yl) methylene]-3-(3-pyridazinyl)-<BR> <BR> <BR> <BR> 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3,5-dimethylpyrrol-2-yl) methylene]-3- (3-pyridazinyl)-2- pyrazolin-5-one, 4-f [4- (2-Cyclopropylaminoethyl)-3,5-dimethylpyrrol-2-yl] methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4-{[3,5-Dimethyl-4-92-ethylaminoethyl)-[yrrol-2-yl]methylene }-3-(3-pyridazinyl)- 2-pyrazolin-5-one, <BR> <BR> 4- {[3, 5-Dimethyl-4-(2-phenylaminoethyl) pyrrol-2-yl] methylene}-3-(3-pyridazinyl)-<BR> <BR> <BR> <BR> 2-pyrazolin-5-one, 4- { {3,5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one,

4- { [4- (2-Carboxyethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3- (3-pyridazinyl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4- { [4- (l-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4-{{3-Isopropylo-5-methyl-4-[2-(1-pyrrolidinylethyl)]pyrrol- 2-yl}methylene}-3-)3- pyridazinyl)-2-pyrazolin-5-one, 4-{[4-(2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2 -yl]methylene}-3-(3- pyridazinyl)-2-pyrazolin-5-one, 3-(3-Pyridazinyl)-4-{{4-[3-(1-pyrrolidinyl)propyl]-3-isoprop yl-5-methylpyrrol-2- yl} methylene}-2-pyrazolin-5-one, 4- { [3-Isopropyl-5-methyl-4- (4-piperidinobutyl) pyrrol-2-yl] methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4- { {4- [3- (4-Pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2- yl} methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4- { [4- (4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (3- pyridazinyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (3- pyridazinyl)-2-pyrzolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4-{{3-Cycloproppyl-4-[2-di(methoxyethyl)aminoethyl]-5-methyl pyrrol-2- yl} methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-4- (3-diethylaminopropyl)-5-methylpyrrol-2-yl] methylene}-3- (3- <BR> <BR> pyridazinyl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4-f {3-Cyclopropyl-4- [3- (2, 5-dimethyl-1-pyrrolidinyl) propyl]-5-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> <BR> <BR> yl} methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(3-phenylmethylaminopropyl)pyrr ol-2- yl]methylene}-3-(3-pyridazinyl)-2-pyrazolin-5-one, 4- {{3-Cyclopropyl-5-methyl-4-[4-(1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(4-cyclobutylaminobutyl)pyrrol- 2-yl]methylene}-3- (3-pyridazinyl)-2-pyrazolin-5-one, 4-[)3,5-Dimethyl-4-(1-pyrrolidinylmethylpyrrol-2-yl)methylen e]-3-(4-pyridazinyl)- 2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (4-pyridazinyl)-2- pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminoehyl)-3,5-dimethylpyrrol-2-yl]methy lene}-3-(4- pyridazinyl)-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-ethylaminoethyl)-pyrrol-2-yl] methylene}-3- (4-pyridazinyl)- 2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-phenylaminoethyl) pyrrol-2-yl] methylene}-3- (4-pyridazinyl)- 2-pyrazolin-5-one, 4- { {3,5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one,

4- [(4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3-(4- pyridazinyl)-2-pyrazolin-5-one, 4- { [4- (l-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- {[4-(2-Carboxyethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(4-pyridazinyl)-2- pyrazolin-5-one, 4- { {3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3-(4- pyridazinyl)-2-pyrazolin-5-one, 4- { [4- (2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one, <BR> <BR> 3- (4-Pyridazinyl)-4- f {4- [3- (1-pyrrolidinyl) propyl]-3-isopropyl-S-methylpyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-2-pyrazolin-5-one, 4- { [3-Isopropyl-5-methyl-4- (4-piperidinobutyl) pyrrol-2-yl] methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- {14- [3- (4-Pyridylmethylamino) propyl]-3-isopropyl-5-methylpyrrol-2- yl} methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (4- pyridazinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-5-methyl-4- [2- (l-pyrrolidinyl) ethyl] pyrrol-2-yl} methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-4-[2-di (methoxyethyl) aminoethyl]-5-methylpyrrol-2- yl} methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-4-(3-diethylaminopropyl)-5-methylpyrrol-2- yl]methylene}-3-(4- pyridazinyl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[3-(2,5-dimethyl-1-pyrrolidinyl)propyl]- 5-methylpyrrol-2- yl} methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 4-{[3-Cyclopropyl-5-methyl-4-(3-phenylmethylaminopropyl)pyrr ol-2- yl] methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 4- {{3-Cyclopropyl-5-methyl-4-[4-(1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (4-cyclobutylaminobutyl) pyrrol-2-yl] methylene}-3- (4-pyridazinyl)-2-pyrazolin-5-one, <BR> <BR> 4- [ (3, 5-Dimethyl-4- (I-pyrrolidinylmethylpyrrol-2-yl) methylene]-3- (1,2,4-triazin-3- yl)-2-pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3, 5-dimethylpyrrol-2-yl) methylene]-3- (1,2,4-triazin-3- yl)-2-pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminoethyl)-3, 5-dimethylpyrrol-2-yl] methylene}-3-(1,2,4- triazin-3-yl)-2-pyrazolin-5-one, 4- {[3,5-Dimethyl-4-(2-ethylaminoethyl)-pyrrol-2-yl]methylene}- 3-(1, 2,4-triazin-3- yl)-2-pyrazolin-5-one, 4- { [3,5-Dimethyl-4- (2-phenylaminoethyl) pyrrol-2-yl] methylene}-3- (1,2,4-triazin-3- yl)-2-pyrazolin-5-one, 4- { {3,5-dimethyl-4- [2- (4-pyridylmethylamino) ethyl] pyrrol-2-yl} methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one,

4- {[4-(2-Carboxyethyl)-3,5-dimethylpyrrol-2-yl]methylene}-3-(1 , 2,4-triazin-3-yl)-2- pyrazolin-5-one, 4- [ (4-Diethylaminomethyl-3-isopropyl-5-methylpyrrol-2-yl) methylene]-3- (1,2,4- triazin-3-yl)-2-pyrazolin-5-one, 4- {[4-(1-Pirrolidinylmethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-(1,2,4- triazin-3-yl)-2-pyrazolin-5-one, 4- { {3-Isopropyl-5-methyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-cyclopropylaminoethyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-<BR> <BR> <BR> <BR> <BR> (1,2,4-triazin-3-yl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- { {4- [3- (l-Pyrrolidinyl) propyl]-3-isopropyl-5-methylpyrrol-2-ylmethylene}-3-<BR&g t; <BR> <BR> <BR> <BR> (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4- {[3-Isopropyl-5-methyl-4-(4-piperidinobutyl) pyrrol-2-yl] methylene}-3-(1,2,4- triazin-3-yl)-2-pyrazolin-5-one, 4- {f 4- [3- (4-Pyridylmethylamino) propyl]-3-isopropyl-S-methylpyrrol-2- yl} methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (4-Dimethylaminobutyl)-3-isopropyl-5-methylpyrrol-2-yl] methylene}-3-<BR> <BR> <BR> <BR> <BR> (1,2,4-triazin-3-yl)-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- [ (3-Cyclopropyl-4-diethylaminomethyl-5-methylpyrrol-2-yl) methylene]-3- (1,2,4- triazin-3-yl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-5-methyl-4-[2-(1-pyrrolidinyl)ethyl]pyrrol -2-yl}methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-4-[2-di(methyoxyethyl)aminoethyl]-5-methyl pyrrol-2- yl} methylene}-3- (1,2, 4-triazin-3-yl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-4- (3-diethylaminopropyl)-5-methylpyrrol-2-yl] methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4- { {3-Cyclopropyl-4- [3- (2, 5-dimethyl-1-pyrrolidinyl) propyl]-5-methylpyrrol-2- yl} methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (3-phenylmethylaminopropyl) pyrrol-2- yl]methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4-{{3-Cyclopropyl-5-methyl-4-[4-(1-pyrrolidinyl) butyl] pyrrol-2-yl} methylene}-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4- { [3-Cyclopropyl-5-methyl-4- (4-cyclobutylaminobutyl) pyrrol-2-yl] methylenel-3- (1,2,4-triazin-3-yl)-2-pyrazolin-5-one, 4-{[4-(2[Diethylaminoethyl)-5-methyl-3-trifluoromethylpyrrol -2-yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-4- [2- (1-pyrrolidinylethyl)]-3-trifluoromethylpyrrol-2-yl} methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminoethyl)-5-methyl-3-trifluoromethylpyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-4-[2-(4-pyridiylmethylaminoethyl)]-3-trifluorom ethylpyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { {4- [2- (l-Imidazoyl) ethyl]-5-methyl-3-trifluoromethylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4-(2-Aminoethyl)-5-methyl-3-trifluoromethylpyrrol-2-yl] methyl ene}-3- pyrazinyl-2-pyrazolin-5-one,

4-{[4-(2-Diethylaminoethyl)-5-methyl-3-tert-butylpyrrol-2-yl ]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-4-[2-(1-pyrrolidinylethyl)]-3-tert-butylpyrrol-2-y l} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-1 [4- (2-EthylaTninoethyl)-5-methyl-3-tert-butylpyrrol-2-yl] methylene)-3- pyrazinyl-2-pyrazolin-5-one, 4- { 5-Methyl-4- [2- (4-pyridiylmethylaminoethyl)]-3-tert-butylpyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoyl) ethyl]-5-methyl-3-tert-butylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Aminoethyl)-5-methyl-3-tert-butylylpyrrol-2-yl]meth ylene}-3-pyrazinyl-2- pyrazolin-5-one, <BR> <BR> 4- {[4-(2-Diethylaminoethyl)-3-ethyl-5-methylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- { {3-Ethyl-5-methyl-4- [2- (l-pyrrolidinylethyl)] pyrrol-2-yll methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[3-Ethyl-4-(2-ethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, <BR> <BR> 4- { {3-Ethyl-5-methyl-4-[2-(4-pyridiylmethylaminoethyl)] pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { {4- [2- (l-Imidazoyl) ethyl]-5-methyl-3-ethylpyrrol-2-yl} methylene}-3-pyrazinyl- 2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-Aminoethyl)-5-methyl-3-ethylpyrrol-2-yl] methylene}-3-pyrazinyl-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4- {[3-Cyclobutyl-4-(2-diethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{3-Cyclobutyl-5-methyl-4-[2-(1-pyrrolidinylethyl)]pyrrol- 2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclobutyl-4-(2-ethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Cyclobutyl-5-methyl-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2- yl]methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) ethyl]-5-methyl-3-cyclobutylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-Aminoethyl)-5-methyl-3-cyclobutylpyrrol-2-yl] methylene}-3-pyrazinyl-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4-{[3-Cyclopenthyl-4-(2-diethylaminoethyl)-5-methylpyrrol-2- yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{3-Cyclopentyl-5-methyl-4-[2-(1-pyrrolidinylethyl)pyrrol- 2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclopentyl-4- (2-ethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Cyclopentyl-5-methyl-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) ethyl]-5-methyl-3-cyclopentylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- { [4- (2-Aminoethyl)-5-methyl-3-cyclopentylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one 4- {[3-CycloheXyl-4-(2-diethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin- 5-one, 4- { {3-Cyclohexyl-5-methyl-4- [2- (l-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> 4- { [3-Cyclohexyl-4- (2-ethylaminoethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { 3-Cyclohexyl-5-methyl-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl_ethyl]-5-methyl-3-cyclohexylpyrrol-2-y l}methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-Aminoethyl)-5-methyl-3-cyclohexylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-f [4- (2-Diethylaminoethyl)-5-methyl-3-phenylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-phenyl-4-[2-(1-pyrrolidinylethyl)]pyrrol-2-yl }methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminoethyl)-5-methyl-3-phenylpyrrol-2-yl]methy lene}-3-pyrazinyl-2- pyrazolin-5-one, 4- { {5-Methyl-3-phenyl-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2-yl} methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl)ethyl]-5-methyl-3-phenylpyrrol-2-yl}me thylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Aminoethyl)-5-methyl-3-phenylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4- { [4- (2-Diethylaminoethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3-(4-methoxyphenyl)-4-[2-(1-pyrrolidinylethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminoethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(4-methoxyphenyl)-4-[2-(4-pyridiylmethylamino ethyl)]pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl)ethyl]-5-methyl-3-(4-methoxypyhenyl)py rrol-2- <BR> <BR> yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- { [4- (2-Aminoethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-1 [4- (2-Diethylaminoethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3-(2-pyridyl)-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Ethylaminoethyl)-5-methyl-3-(2-pyridyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (2-pyndyl)-4- [2- (4-pyndiylmethylaminoethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one,

4- { {4-[2-(1-Imidazoyl) ethyl]-5-methyl-3-(2-pyridyl) pyrrol-2-yl} methylene}-3-<BR> <BR> <BR> <BR> <BR> pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Aminoethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-5-methyl-3-pyrazinylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-pyrzinyl-4-[2-(1-pyrrolidinylethyl)]pyrrol-2- yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminoethyl)-5-methyl-3-pyrazinylpyrrol-2-yl]me thylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-pyrzinyl-4-[2-(4-pyridiylmethylaminoethyl)]py rrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- ( 1-Imidazoyl) ethyl]-5-methyl-3-pyrazinylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminoethyl)-5-methyl-3-pyrazinylpyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-5-methyl-3-(2-imidazoyl)pyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-imidazoyl)-4-[2-(1-pyrrolidinylethyl)}pyrr ol-2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Ethylaminoethyl)-5-methyl-3-(2-imidazoyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { 5-Methyl-3- (2-imidazoyl)-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) ethyl]-5-methyl-3-(2-imidazoyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-f [4- (2-Cyclopropylaminoethyl)-5-methyl-3- (2-imidazoyl) pyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Diethylaminoethyl)-5-methyl-3-(2-pyrimidinyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-pyrimidinyl)-4-[2-(1-pyrrolidinylethyl)]py rrol-2-yl}methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminoethyl)-5-methyl-3- (2- pyrimidinyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { {5-Methyl-3- (2- pyrimidinyl)-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2-<BR> <BR> <BR> <BR> <BR> yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> 4- { {4-[2-(1-Imidazoyl) ethyl]-5-methyl-3-(2-pyrimidinyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminoethyl)-5-methyl-3- (2-pyrimidinyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-5-methyl-3-(3-isoxazolyl_pyrrol- 2-yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(3-isozazolyl)-4-[2-(1-pyrrolidinylethyl)]pyr rol-2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminoethyl)-5-methyl-3- (3-isoxazolyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- { {5-Methyl-3- (3-isoxazolyl)-4- [2- (4-pyridylmethylaminoethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoyl) ethyl]-5-methyl-3- (3-isoxazolyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminoethyl)-5-methyl-3-(3-isozazolyl) pyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Diethylaminoethyl)-5-methyl-3-(2-furyl)pyrroil-2-yl ]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-furyl)-4-[2-(1-pyrrolidinylethyl)pyrrol-2- yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4-(2-Ethylaminoethyl)-5-methyl-3-(2-furyl) pyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4- { {5-Methyl-3- (2-furyl)-4- [2- (4-pyridiylmethylaminoethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { 4- [2- (I-Imidazoyl) ethyl]-5-methyl-3- (2-furyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminoethyl)-5-methyl-3-(2-furyl)pyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminoethyl)-5-hydroxymethyl-3-isopropylpyrrol-2-yl ] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{{5-Hydroxymethyl-3-isopropyl-4-[2-(1-pyrroldinylethyl)]py rrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminoethyl)-5-hydroxymethyl-3-isopropylpyrrol- 2-yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Hydroxymethyl-3-isopropyl-4-[2-pyridiylmethylmainoethy l)]pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl)ethyl]-5-hydroxymethylo-3-isopropylpyr rol-2-yl}methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminoethyl)-5-hydroxymethyl-3-isopropylpyrrol- 2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- [4- (2-Diethylaminoethyl)-3,5-dicyclopropylpyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4- { {3,5-Dicyclopropyl-4-[2-(1-pyrrolidinylethyl)] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminoethyl)-3,5-dicyclopropylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-{{3,5-Dicyclopropyl-4-[2-(4-pyridiylmethylaminoethyl)]pyrr ol-2-yl}methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl)ethyl]-3,5-dicyclopropylpyrrol-2-yl}me thylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4-f [4- (2-Cyclopropylaminoethyl)-3, 5-dicyclopropylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-Diethylaminomethyl)-5-methyl-3-trifluoromethylpyrrol-2-yl ] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [4- (2-Dimethylaminomethyl)-5-methyl-3-trifluoromethylpyrrol-2-y l] methylene}- 3-pyrazinyl-2-pyrazolin-5-one,

4- { {5-Methyl-4- [2- (l-pyrrolidinylmethyl)]-3-trifluoromethylpyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- {[4-(2-Ethylaminomethyl)-5-methyl-3-trifluoromethylpyrrol-2- yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-4- [2- (4-pyridiylmethylaminomethyl)]-3-trifluoromethylpyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoyl) methyl]-5-methyl-3-trifluoromethylpyrrol-2-yl} methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Aminomethyl)-5-methyl-3-trifluoromethylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminomethyl)-5-methyl-3-tert-butylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazo lin-5-one, 4- {[4-(2-Dimethylaminomethyl)-5-methyl-3-tert-butylpyrrol-2-yl ] methylene}-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- { {5-Methyl-4-[2-(1-pyrrolidinylmethyl)]-3-tert-butylpyrrol-2- yl} methylene}-3- pyrazinyl-2-pyrazo lin-5-one, 4- ( [4- (2-Ethylaminomethyl)-5-methyl-3-tert-butylpyrrol-2-yl] methylene)-3- pyrazinyl-2-pyrazolin-5-one, 4- { 5-Methyl-4- [2- (4-pyridiylmethylaminomethyl)]-3-tert-butylpyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {4- [2- ( 1-Imidazoyl) methyl]-5-methyl-3-tert-butylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Aminomethyl)-5-methyl-3-tetr-butyllpyrrol-2-yl]meth ylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4-{[4-(2-Diethylaminomethyl)-3-ethyl-5-methylpyrrol-2-yl]met hylene}-3-pyrazinyl 2-pyrazolin-5-one, 4- { [4- (2-Dimethylaminomethyl)-3-ethyl-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Ethyl-5-methyl-4- [2- (l-pyrrolidinylmethyl)] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { [3-Ethyl-4-(2-ethylaminomethyl)-5-methylpyrrol-2-yl] methylene}-3-pyrazinyl-2-<BR> <BR> <BR> <BR> <BR> pyrazolin-5-one, 4-{{3-Ethyl-5-methyl-4-[2-(4-pyridiylmethylaminomethyl)]pyrr ol-2-yl]methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (1-Imidazoyl) methyl]-5-methyl-3-ethylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Aminomethyl)-5-methyl-3-ethylpyrrol-2-yl]methylene} -3-pyrazinyl-2- pyrazolin-5-one, 4-{[3-Cyclobutyl-4-(2-diethylaminomethyl)-5-methylpyrrol-2-y l]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[3-Cyclobutyl-4-(2-dimethylaminomethyl)-5-methylpyrrol-2-yl ] methylene}-3- pyrazinyl-2-pyrazo lin-5-one, 4-{{3-Cyclobutyl-5-methyl-4-[2-(1-pyrrolidinylmethyl)]pyrrol -2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclobutyl-4-(2-ethylaminomethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- { {3-Cyclobutyl-5-methyl-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl)methyl]-5-methyl-3-cyclobutylpyrrol-2- yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Aminomethyl)-5-methyl-3-cyclobutylpyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, <BR> <BR> 4- {[3-Cyclopentyl-4-(2-diethylaminomethyl)-5-methylpyrrol-2-yl ] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[3-Cyclopentyl-4-(2-dimethylaminomethyl)-5-methylpyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{3-Cyclopentyl-5-methyl-4-[2-(1-pyrrolidinylmethyl)]pyrro l-2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclopentyl-4- (2-ethylaminomethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Cyclopentyl-5-methyl-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl]methylene}-3-pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- {4- [2- (l-Imidazoyl) methyl]-5-methyl-3-cyclopentylpyrrol-2-yllmethylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Aminomethyl)-5-methyl-3-cyclopentylpyrrol-2-yl] methylene}-3-pyrazinyl- <BR> <BR> 2-pyrazolin-5-one<BR> <BR> <BR> <BR> <BR> 4- { [3-Cyclohexyl-4- (2-diethylaminomethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- {[3-CycloheXyl-4-(2-dimethylaminomethyl)-5-methylpyrrol-2-yl ] methylene}-3-<BR> <BR> <BR> <BR> <BR> pyrazinyl-2-pyrazolin-5-one, 4-{{3-Cyclohenyl-5-methyl-4-[2-(1-pyrrolidinylmethyl)]pyrrol -2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-f [3-Cyclohexyl-4- (2-ethylaminomethyl)-5-methylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3-Cyclohenyl-5-methyl-4-[2-(4-pyridiylmethylaminomethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) methyl]-5-methyl-3-cyclohexylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Aminomethyl)-5-methyl-3-cyclohexylpyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4- { [4- (2-Diethylaminomethyl)-5-methyl-3-phenylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Dimethylaminomethyl)-5-methyl-3-phenylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3-phenyl-4- [2-(1-pyrrolidinylmethyl)] pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminomethyl)-5-methyl-3-phenylpyrrol-2-yl]meth ylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4- { {5-Methyl-3-phenyl-4-[2-(4-pyridiylmethylaminomethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoy !) methyl]-5-methyl-3-phenylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- {[4-(2-Aminomethyl)-5-methyl-3-phenylpyrrol-2-yl] methylene}-3-pyrazinyl-2- pyrazolin-5-one, 4-1 [4- (2-Diethylaminomethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Dimethylaminomethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (4-methoxyphenyl)-4- [2- (l-pyrrolidinylmethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminomethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (4-methoxyphenyl)-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoyl) methyl]-5-methyl-3- (4-methoxyphenyl) pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Aminomethyl)-5-methyl-3- (4-methoxyphenyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminomethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Dimethylaminomethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-pyridyl-4-[2-(1-pyrrolidinylmethyl)]pyrrol -2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-1 [4- (2-Ethylaminomethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (2-pyridyl)-4- [2- (4-pyridylmethylaminomethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) methyl]-5-methyl-3-(2-pyridyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Aminomethyl)-5-methyl-3- (2-pyridyl) pyrrol-2-yl] methylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4-{[4-(2-Diethylaminomethyl)-5-methyl-3-pyrazinylpyrrol-2-yl ]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-f [4- (2-Dimethylaminomethyl)-5-methyl-3-pyrazinylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-pyrazinyl-4-[2-(1-pyrrolidinylmethyl)]pyrrol- 2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { [4-(2-Ethylaminomethyl)-5-methyl-3-pyrazinylpyrrol-2-yl] methylene}-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 4- { {5-Methyl-3-pyrazinyl-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2-<BR> <BR> <BR> <BR> <BR> <BR> yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> <BR> <BR> 4-{ {4-[2-(1-Imidazoyl) methyl]-5-methyl-3-pyrazinylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminomethyl)-5-methyl-3-pyrazinylpyrrol-2- yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-1 [4- (2-Diethylaminomethyl)-5-methyl-3- (2-imidazoyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4-{[4-(2-Dimethylaminomethyl)-5-methyl-3-(2-imidazoyl)pyrrol -2-yl]methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-imidazoyl)-4-[2-(1-pyrrolidinylmethyl)]pyr rol-2-yl}methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Ethylaminomethyl)-5-methyl-3-(2-imidazoyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3-(2-imidazoyl)-4-[2-(4-pyridiylmethylaminomethyl) ] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl)methyl]-5-methyl-3-(2-imidazoyl)pyrrol-2- yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminomethyl)-5-methyl-3-(2-imidazoyl)pyr rol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-f [4- (2-Diethylaminomethyl)-5-methyl-3- (2- pyrimidinyl) pyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Dimethylaminomethyl)-5-methyl-3-(2-pyrimidinyl){[4-(2 -Dimethylaminomethyl)-5-methyl-3-(2-pyrimidinyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- f 5-Methyl-3- (2- pyrimidinyl)-4- [2- (1-pyrrolidinylmethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Ethylaminomethyl)-5-methyl-3-(2-pyrimidinyl){[4-(2-Et hylaminomethyl)-5-methyl-3-(2-pyrimidinyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-pyrimidinyl)-4-[2-(4-pyridiylmethylaminome thyl)]pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4-{{4-[2-(1-Imidazoyl}methyl]-5-methyl-3-(2-pyrimidinyl)pyrr ol-2-yl}methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Cyclopropylaminomethyl)-5-methyl-3- (2-pyrimidinyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Diethylaminoethyl)-5-methyl-3-(3-isoxazolyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Dimethylaminoethyl)-5-methyl-3-(3-isoxazolyl)pyrrol -2-yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, <BR> <BR> 4- { {5-Methyl-3-(3-isoxazolyl)-4- [2-(1-pyrrolidinylmethyl)] pyrrol-2-yl} methylene}-<BR> <BR> <BR> <BR> <BR> 3-pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminomethyl)-5-methyl-3-(3-isoxazolyl)pyrrol-2 -yl]methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (3-isoxazolyl)-4- [2- (4-pyridylmethylaminomethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (1-Imidazoyl) methyl]-5-methyl-3- (3-isoxazolyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Cyclopropylaminomethyl)-5-methyl-3-(3-isoxazolyl_py rrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminomethyl)-5-methyl-3- (2-furyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-f [4- (2-Dimethylaminomethyl)-5-methyl-3- (2-furyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{{5-Methyl-3-(2-furyl)-4-[2-(1-pyrrolidinylmethyl)]pyrrol- 2-yl}methylene}-3- pyrazinyl-2-pyrazolin-5-one,

4- { [4- (2-Ethylaminomethyl)-5-methyl-3- (2-furyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {5-Methyl-3- (2-furyl)-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4- [2- (l-Imidazoyl) methyl]-5-methyl-3- (2-furyl) pyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Cyclopropylaminomethyl)-5-methyl-3-(2-furyl) pyrrol-2-yl] methylene}-3- <BR> <BR> pyrazinyl-2-pyrazolin-5-one,<BR> <BR> <BR> <BR> <BR> 4- {[4-(2-Diethylaminomethyl)-5-hydroxymethyl-3-isopropylpyrrol -2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {[4-(2-Dimethylaminomethyl)-5-hydroxymethyl-3-isopropylpyrro l-2- yl]methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {5-Hydroxymethyl-3-isopropyl-4-[2-(1-pyrrolidinylmethyl)] pyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Ethylaminomethyl)-5-hydroxymethyl-3-isopropylpyrrol-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one, 4- { {5-Hydroxymethyl-3-isopropyl-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { {4-[2-(1-Imidazoyl) methyl]-5-hydroxymethyl-3-isopropylpyrrol-2- yl} methylene}-3-pyrazinyl-2-pyrazolin-5-one, 5-{[4-(2-Cyclopropylaminomethyl)-5-hydroxymethyl-3-isopropyl pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [4- (2-Diethylaminomethyl)-3,5-dicyclopropylpyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Dimethylaminomethyl)-3,5-dicyclopropylpyrrol-2-yl]m ethylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- { {3, 4-Dicyclopropyl-4-[2-(1-pyrrolidinylmethyl)]pyrrol-2-yl}meth ylene}-3- pyrazinyl-2-pyrazolin-5-one, 4-{[4-(2-Ethylaminomethyl)-3,5-dicyclopropylpyrrol-2-yl]meth ylene}-3-pyrazinyl- 2-pyrazolin-5-one, 4- { {3,5-Dicyclopropyl-4- [2- (4-pyridiylmethylaminomethyl)] pyrrol-2- yl}methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- {{4-[2-(1-Imidazoyl} methyl]-3,5-dicyclopropylpyrrol-2-yl} methylene}-3- pyrazinyl-2-pyrazolin-5-one, 4- [ (4-Cyclopropylaminomethyl-3,5-dicyclopropylpyrrol-2-yl) methylene]-3- pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclopropylaminomethyl-5-methyl-4- (2-diethylaminoethyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [3-Cyclopropylaminomethyl-5-methyl-4- (2-hydroxyethyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, 4- { [3-dimethylaminomethyl-5-methyl-4- (2-diethylaminoethyl) pyrrol-2- yl] methylene}-3-pyrazinyl-2-pyrazolin-5-one, and 4- { [3-hydroxymethyl-5-methyl-4- (2-diethylaminoethyl) pyrrol-2-yl] methylene}-3- pyrazinyl-2-pyrazolin-5-one.

Compounds of formula I may exist as salts with pharmaceutically acceptable acids. The present invention includes such salts. Examples of such salts include hydrochlorides, hydrobromides, sulphates, methanesulphonates, nitrates, maleates, acetates, citrates, fumarates, tartrates [e. g., (+)-tartrates, (-)-tartrates or mixtures thereof including racemic mixtures], succinates, benzoates and salts with amino acids such as glutamic acid. These salts may be prepared by methods known to those skilled in the art.

Certain compounds of formula I which have acidic substituents may exist as salts with pharmaceutically acceptable bases. The present invention includes such salts. Example of such salts include sodium salts, potassium salts, lysine salts and arginine salts. These salts may be prepared by methods known to those skilled in the art.

Certain compounds of formula I and their salts may exist in more than one crystal form and the present invention includes each crystal form and mixtures thereof.

Certain compounds of formula I and their salts may also exist in the form of solvates, for example hydrates, and the present invention includes each solvate and mixtures thereof.

Certain compounds of formula I may contain one or more chiral centers, and exist in different optically active forms. When compounds of formula I contain one chiral center, the compounds exist in two enantiomeric forms and the present invention includes both enantiomers and mixtures of enantiomers. The enantiomers may be resolved by methods known to those skilled in the art, for example by formation of diastereoisomeric salts which may be separated, for example, by crystallization; formation of diastereoisomeric derivatives or complexes which may be separated, for example, by crystallization, gas-liquid or liquid chromatography; selective reaction of one enantiomer with an enantiomer-specific reagent, for example enzymatic esterification; or gas-liquid or liquid chromatography in a chiral environment, for example on a chiral support for example silica with a bound chiral ligand or in the presence of a chiral solvent. It will be appreciated that where the desired enantiomer is converted into another chemical entity by one of the separation procedures described above, a further step is required to liberate the desired enantiomeric form.

Alternatively, specific enantiomers may be synthesized by asymmetric synthesis using optically active reagents, substrates, catalysts or solvents, or by converting one enantiomer into the other by asymmetric transformation.

When a compound of formula I contains more than one chiral center it may exist in diastereoisomeric forms. The diastereoisomeric pairs may be separated by methods known to those skilled in the art, for example chromatography or crystallization and the individual enantiomers within each pair may be separated as described above. The present invention includes each diastereoisomer of compounds of formula I and mixtures thereof.

Certain compounds of formula I may exist in different tautomeric forms or as different geometric isomers, and the present invention includes each tautomer and/or geometric isomer of compounds of formula I and mixtures thereof.

Certain compounds of formula I may exist in different stable conformational forms which may be separable. Torsional asymmetry due to restricted rotation about an asymmetric single bond, for example because of steric hindrance or ring strain, may permit separation of different conformers. The present invention includes each conformational isomer of compounds of formula I and mixtures thereof.

Certain compounds of formula I may exist in zwitterionic form and the present invention includes each zwitterionic form of compounds of formula I and mixtures thereof.

The compounds of this invention are useful as inhibitors of serine/threonine and tyrosine kinases. In particular, compounds of this invention are useful as inhibitors of tyrosine kinases that are important in hyperproliferative diseases, especially in the process of angiogenesis. For example, certain of these compounds are inhibitors of such receptor kinases as KDR, Flt-1, FGFR, PDGFR, c-Met, or IGF-1-R. Since these compounds are anti-angiogenic, they are important substances for inhibiting the progression disease states where angiogenesis is an important component. Certain compounds of the invention are effective as inhibitors of such serine/threonine kinases as erk, MAP kinases, cdks, Plk-1 or Raf-1. These compounds are useful in the treatment of cancer, and hyperproliferative disorders.

In addition, certain compounds are effective inhibitors of non-receptor kinases such

as src, lyn, lck, fyn, blk, hck. These compounds are useful in the treatment of cancer, hyperproliferative disorders and immunologic diseases.

The present invention provides a method of inhibiting the kinase activity of tyrosine kinases and serine/threonine kinases comprising the administration of a compound represented by formula I to said kinase in sufficient concentration to inhibit the enzyme activity of said kinase.

The present invention further includes the use of these compounds in pharmaceutical compositions with a pharmaceutically effective amount of the above- described compounds and a pharmaceutically acceptable carrier or excipient. These pharmaceutical compositions can be administered to individuals to slow or halt the process of angiogenesis in angiogenesis-aided diseases, or to treat edema, effusions, exudates, or ascites and other conditions associated with vascular hyperpermeability.

Certain pharmaceutical compositions can be administered to individuals to treat cancer and hyperproliferative disorders by inhibiting serine/threonine kinases such as cdk, Plk-1, erk, etc.

DETAILED DESCRIPTION OF THE INVENTION The compounds of this invention have antiangiogenic properties. These antiangiogenic properties are due at least in part to the inhibition of protein tyrosine kinases essential for angiogenic processes. For this reason, these compounds can be used as active agents against such disease states as arthritis, atherosclerosis, psoriasis, hemangiomas, myocardial angiogenesis, coronary and cerebral collaterals, ischemic limb angiogenesis, wound healing, peptic ulcer Helicobacter related diseases, virally-induced angiogenic disorders, fractures, Crow-Fukase syndrome (POEMS), preeclampsia, menometrorrhagia, cat scratch fever, rubeosis, neovascular glaucoma and retinopathies such as those associated with diabetic retinopathy, retinopathy of prematurity, or age-related macular degeneration. In addition, some of these compounds can be used as active agents against solid tumors, malignant ascites, hematopoietic cancers and hyperproliferative disorders such as thyroid

hyperplasia (especially Grave's disease), and cysts (such as hypervascularity of ovarian stroma characteristic of polycystic ovarian syndrome (Stein-Leventhal syndrome)) since such diseases require a proliferation of blood vessel cells for growth and/or metastasis.

Further, some of these compounds can be used as active agents against burns, chronic lung disease, stroke, polyps, anaphylaxis, chronic and allergic inflammation, delayed-type hypersensitivity, ovarian hyperstimulation syndrome, brain tumor- associated cerebral edema, high-altitude, trauma or hypoxia induced cerebral or pulmonary edema, ocular and macular edema, ascites, and other diseases where vascular hyperpermeability, effusions, exudates, protein extravasation, or edema is a manifestation of the disease. The compounds will also be useful in treating disorders in which protein extravasation leads to the deposition of fibrin and extracellular matrix, promoting stromal proliferation (e. g. keloid, fibrosis, cirrhosis and carpal tunnel syndrome). Increased VEGF production potentiates inflammatory processes such as monocyte recruitment and activation. The compounds of this invention will also be useful in treating inflammatory disorders such as inflammatory bowel disease (IBD) and Crohn's disease.

VEGF's are unique in that they are the only angiogenic growth factors known to contribute to vascular hyperpermeability and the formation of edema.

Indeed, vascular hyperpermeability and edema that is associated with the expression or administration of many other growth factors appears to be mediated via VEGF production. Inflammatory cytokines stimulate VEGF production. Hypoxia results in a marked upregulation of VEGF in numerous tissues, hence situations involving infarct, occlusion, ischemia, anemia, or circulatory impairment typically invoke VEGF/VPF mediated responses. Vascular hyperpermeability, associated edema, altered transendothelial exchange and macromolecular extravasation, which is often accompanied by diapedesis, can result in excessive matrix deposition, aberrant stromal proliferation, fibrosis, etc. Hence, VEGF-mediated hyperpermeability can significantly contribute to disorders with these etiologic features.

It is envisaged that the disorders listed above are mediated to a significant extent by protein tyrosine kinase activity involving the KDR/VEGFR-2 and/or the

Flt-1NEGFR-1 tyrosine kinases. By inhibiting the activity of these tyrosine kinases, the progression of the listed disorders is inhibited because the angiogenic or vascular hyperpermeability component of the disease state is severely curtailed. The action of certain compounds of this invention, by their selectivity for specific tyrosine kinases, result in a minimization of side effects that would occur if less selective tyrosine kinase inhibitors were used. Certain compounds of the invention are also effective inhibitors of FGFR, PDGFR, c-Met and IGF-1-R. These receptor kinases can directly or indirectly potentiate angiogenic and hyperproliferative responses in various disorders, hence their inhibition can impede disease progression.

The compounds of this invention have inhibitory activity against protein kinases. That is, these compounds modulate signal transduction by protein kinases.

Compounds of this invention inhibit protein kinases from serine/threonine and tyrosine kinase classes. In particular, these compounds selectively inhibit the activity of the KDR/FLK-1/VEGFR-2 tyrosine kinases. Certain compounds of this invention also inhibit the activity of additional tyrosine kinases such as Flt- 1/VEGFR-1, FGFR, PDGFR, IGF-1R, c-Met, Src-subfamily kinases such as Lck, Src, fyn, yes, etc. Additionally, some compounds of this invention significantly inhibit serine/threonine kinases such as PKC, MAP kinases, erk, CDKs, Plk-1, or Raf-1 which play an essential role in cell proliferation and cell-cycle progression.

The potency and specificity of the generic compounds of this invention towards a particular protein kinase can often be altered and optimized by variations in the nature, number and arrangement of the substituents (i. e., R,, R2, R3, R4, R5, R6 and R7) of and conformational restrictions. In addition the metabolites of certain compounds may also possess significant protein kinase inhibitory activity.

The compounds of this invention, when administered to individuals in need of such compounds, inhibit vascular hyperpermeability and the formation of edema in these individuals. These compounds act, it is believed, by inhibiting the activity of KDR tyrosine kinase which is involved in the process of vascular hyperpermeability and edema formation. The KDR tyrosine kinase may also be referred to as FLK-1 tyrosine kinase, NYK tyrosine kinase or VEGFR-2 tyrosine

kinase. KDR tyrosine kinase is activated when vascular endothelial cell growth factor (VEGF) or another activating ligand (such as VEGF-C, VEGF-D, VEGF-E or HIV Tat protein) binds to a KDR tyrosine kinase receptor which lies on the surface of vascular endothelial cells. Following such KDR tyrosine kinase activation, hyperpermeability of the blood vessels occurs and fluid moves from the blood stream past the blood vessel walls into the interstitial spaces, thereby forming an area of edema. Diapedesis also often accompanies this response. Similarly, excessive vascular hyperpermeability can disrupt normal molecular exchange across the endothelium in critical tissues and organs (e. g., lung and kidney), thereby causing macromolecular extravasation and deposition. Following this acute response to KDR stimulation which is believed to facilitate the subsequent angiogenic process, prolonged KDR tyrosine kinase stimulation results in the proliferation and chemotaxis of vascular endothelial cells and formation of new vessels. By inhibiting KDR tyrosine kinase activity, either by blocking the production of the activating ligand, by blocking the activating ligand binding to the KDR tyrosine kinase receptor, by preventing receptor dimerization and transphosphorylation, by inhibiting the enzyme activity of the KDR tyrosine kinase (inhibiting the phosphorylation function of the enzyme) or by some other mechanism that interrupts its downstream signaling (D. Mukhopedhyay et al., Cancer Res. 58 : 1278-1284 (1998) and references therein), hyperpermeability, as well as associated extravasation, subsequent edema formation and matrix deposition, and angiogenic responses, may be inhibited and minimized.

One group of preferred compounds of this invention have the property of inhibiting KDR tyrosine kinase activity without significantly inhibiting Flt-1 tyrosine kinase activity (Flt-1 tyrosine kinase is also referred to as VEGFR-1 tyrosine kinase). Both KDR tyrosine kinase and Flt-1 tyrosine kinase are activated by VEGF binding to KDR tyrosine kinase receptors and to Flt-1 tyrosine kinase receptors, respectively. Since Flt-1 tyrosine kinase activity may mediate important events in endothelial maintenance and vascular function, an inhibition of this enzyme activity may lead to toxic or adverse effects. At the very least, such inhibition is unnecessary for blocking the angiogenic responses, induction of

vascular hyperpermeability and the formation of edema, so it is wasteful and of no value to the individual. Certain preferred compounds of this invention are unique because they inhibit the activity of one VEGF-receptor tyrosine kinase (KDR) that is activated by activating ligands but do not inhibit other receptor tyrosine kinases, such as Flt-1, that are also activated by certain activating ligands. The preferred compounds of this invention are, therefore, selective in their tyrosine kinase inhibitory activity.

The compounds of the present invention are also useful in the treatment of ulcers-bacterial, fungal, Mooren ulcers and ulcerative colitis.

The compounds of the present invention are also useful in the treatment of conditions wherein undesired angiogenesis, edema, or stromal deposition occurs in viral infections such as Herpes simplex, Herpes Zoster, AIDS, parapoxvirus, psoriasis, Kaposi's sarcoma, protozoan infections and toxoplasmosis, endometriosis, ovarian hyperstimulation syndrome, preeclampsia, menometrorrhagia, systemic lupus, sarcoidosis, synovitis, inflammatory bowel disease, Crohn's disease, sickle cell anaemia, Lyme's disease, pemphigoid, Paget's disease, hyperviscosity syndrome, Osler-Weber-Rendu disease, chronic inflammation, chronic occlusive pulmonary disease, asthma, rheumatoid arthritis and osteoarthritis, and edema following burns, trauma, radiation, or stroke.

The compounds of the present invention are also useful in the treatment of ocular conditions such as ocular and macular edema, ocular neovascular disease, scleritis, radial keratotomy, uveitis, vitritis, myopia, optic pits, chronic retinal detachment, post-laser complications, conjunctivitis, Stargardt's disease and Eales disease in addition to retinopathy and macular degeneration.

The compounds of the present invention are also useful in the treatment of cardiovascular conditions such as atherosclerosis, restenosis, vascular occlusion and carotid obstructive disease.

The compounds of the present invention are also useful in the treatment of cancer related indications such as solid tumors, sarcomas (especially Ewing's sarcoma and osteosarcoma), retinoblastoma, rhabdomyosarcomas, neuroblastoma,

hematopoietic malignancies, including leukemia and lymphoma, tumor-induced pleural or pericardial effusions, and malignant ascites.

The compounds of the present invention are also useful in the treatment of Crow-Fukase (POEMS) syndrome and diabetic conditions such as glaucoma, diabetic retinopathy and microangiopathy.

It is envisaged that the disorders listed above are mediated to a significant extent by protein tyrosine kinase activity involving the VEGF receptors (e. g. KDR and Flt-1). By inhibiting the activity of these receptor tyrosine kinases, the progression of the listed disorders is inhibited because the angiogenic component of the disease state is severely curtailed. The action of the compounds of this invention, by their selectivity for specific tyrosine kinases, result in a minimization of side effects that would occur if less selective tyrosine kinase inhibitors were used.

In another aspect the present invention provides compounds of formula I as defined initially above (including the provisos) for use as medicaments, particularly as inhibitors of protein kinase activity for example tyrosine kinase activity, serine kinase activity and threonine kinase activity. In yet another aspect the present invention provides the use of compounds of formula I as defined initially above (including the provisos) in the manufacture of a medicament for use in the inhibition of protein kinase activity.

In this invention, the following definitions are applicable: "Physiologically acceptable salts"refers to those salts which retain the biological effectiveness and properties of the free bases and which are obtained by reaction with inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid or organic acids such as sulfonic acid, carboxylic acid, organic phosphoric acid, methanesulfonic acid, ethanesulfonic acid, p- toluenesulfonic acid, salicylic acid, lactic acid, tartaric acid and the like.

"Alkyl"refers to a saturated aliphatic hydrocarbon, including straight-chain and branched-chain groups having 1 to 6 carbons or cyclic hydrocarbons having 3 to 6 carbons.

"Alkoxy"refers to an"O-alkyl"group, where"alkyl"is defined as described above.

Pharmaceutical Formulations The compounds of this invention can be administered to a human patient by themselves or in pharmaceutical compositions where they are mixed with suitable carriers or excipient (s) at doses to treat or ameliorate vascular hyperpermeability, edema and associated disorders. Mixtures of these compounds can also be administered to the patient as a simple mixture or in suitable formulated pharmaceutical compositions. A therapeutically effective dose further refers to that amount of the compound or compounds sufficient to result in the prevention or attenuation of inappropriate neovascularization, progression of hyperproliferative disorders, edema, VEGF-associated hyperpermeability and/or VEGF-related hypotension. Techniques for formulation and administration of the compounds of the instant application may be found in"Remington's Pharmaceutical Sciences," Mack Publishing Co., Easton, PA, latest edition.

Routes of Administration Suitable routes of administration may, for example, include oral, eyedrop, rectal, transmucosal, topical, or intestinal administration; parenteral delivery, including intramuscular, subcutaneous, intramedullary injections, as well as intrathecal, direct intraventricular, intravenous, intraperitoneal, intranasal, or intraocular injections.

Alternatively, one may administer the compound in a local rather than a systemic manner, for example, via injection of the compound directly into an edematous site, often in a depot or sustained release formulation.

Furthermore, one may administer the drug in a targeted drug delivery system, for example, in a liposome coated with endothelial cell-specific antibody.

Composition/Formulation The pharmaceutical compositions of the present invention may be manufactured in a manner that is itself known, e. g., by means of conventional mixing, dissolving, granulating, dragee-making, levigating, emulsifying, encapsulating, entrapping or lyophilizing processes.

Pharmaceutical compositions for use in accordance with the present invention thus may be formulated in conventional manner using one or more

physiologically acceptable carriers comprising excipients and auxiliaries which facilitate processing of the active compounds into preparations which can be used pharmaceutically. Proper formulation is dependent upon the route of administration chosen.

For injection, the agents of the invention may be formulated in aqueous solutions, preferably in physiologically compatible buffers such as Hanks's solution, Ringer's solution, or physiological saline buffer. For transmucosal administration, penetrants appropriate to the barrier to be permeated are used in the formulation. Such penetrants are generally known in the art.

For oral administration, the compounds can be formulated readily by combining the active compounds with pharmaceutically acceptable carriers well known in the art. Such carriers enable the compounds of the invention to be formulated as tablets, pills, dragees, capsules, liquids, gels, syrups, slurries, suspensions and the like, for oral ingestion by a patient to be treated.

Pharmaceutical preparations for oral use can be obtained by combining the active compound with a solid excipient, optionally grinding a resulting mixture, and processing the mixture of granules, after adding suitable auxiliaries, if desired, to obtain tablets or dragee cores. Suitable excipients are, in particular, fillers such as sugars, including lactose, sucrose, mannitol, or sorbitol ; cellulose preparations such as, for example, maize starch, wheat starch, rice starch, potato starch, gelatin, gum tragacanth, methyl cellulose, hydroxypropylmethyl-cellulose, sodium carboxymethylcellulose, and/or polyvinylpyrrolidone (PVP). If desired, disintegrating agents may be added, such as the cross-linked polyvinyl pyrrolidone, agar, or alginic acid or a salt thereof such as sodium alginate.

Dragee cores are provided with suitable coatings. For this purpose, concentrated sugar solutions may be used, which may optionally contain gum arabic, talc, polyvinyl pyrrolidone, carbopol gel, polyethylene glycol, and/or titanium dioxide, lacquer solutions, and suitable organic solvents or solvent mixtures.

Dyestuffs or pigments may be added to the tablets or dragee coatings for identification or to characterize different combinations of active compound doses.

Pharmaceutical preparations which can be used orally include push-fit capsules made of gelatin, as well as soft, sealed capsules made of gelatin and a plasticizer, such as glycerol or sorbitol. The push-fit capsules can contain the active ingredients in admixture with filler such as lactose, binders such as starches, and/or lubricants such as talc or magnesium stearate and, optionally, stabilizers. In soft capsules, the active compounds may be dissolved or suspended in suitable liquids, such as fatty oils, liquid paraffin, or liquid polyethylene glycols. In addition, stabilizers may be added. All formulations for oral administration should be in dosages suitable for such administration.

For buccal administration, the compositions may take the form of tablets or lozenges formulated in conventional manner.

For administration by inhalation, the compounds for use according to the present invention are conveniently delivered in the form of an aerosol spray presentation from pressurized packs or a nebuliser, with the use of a suitable propellant, e. g., dichlorodifluoromethane, trichlorofluoromethane, dichlorotetrafluoroethane, carbon dioxide or other suitable gas. In the case of pressurized aerosol the dosage unit may be determined by providing a valve to deliver a metered amount. Capsules and cartridges of e. g. gelatin for use in an inhaler or insufflator may be formulated containing a powder mix of the compound and a suitable powder base such as lactose or starch.

The compounds may be formulated for parenteral administration by injection, e. g. bolus injection or continuous infusion. Formulations for injection may be presented in unit dosage form, e. g. in ampoules or in multi-dose containers, with an added preservative. The compositions may take such forms as suspensions, solutions or emulsions in oily or aqueous vehicles, and may contain formulatory agents such as suspending, stabilizing and/or dispersing agents.

Pharmaceutical formulations for parenteral administration include aqueous solutions of the active compounds in water-soluble form. Additionally, suspensions of the active compounds may be prepared as appropriate oily injection suspensions.

Suitable lipophilic solvents or vehicles include fatty oils such as sesame oil, or synthetic fatty acid esters, such as ethyl oleate or triglycerides, or liposomes.

Aqueous injection suspensions may contain substances which increase the viscosity of the suspension, such as sodium carboxymethyl cellulose, sorbitol, or dextran.

Optionally, the suspension may also contain suitable stabilizers or agents which increase the solubility of the compounds to allow for the preparation of highly concentrated solutions.

Alternatively, the active ingredient may be in powder form for constitution with a suitable vehicle, e. g., sterile pyrogen-free water, before use.

The compounds may also be formulated in rectal compositions such as suppositories or retention enemas, e. g., containing conventional suppository bases such as cocoa butter or other glycerides.

In addition to the formulations described previously, the compounds may also be formulated as a depot preparation. Such long acting formulations may be administered by implantation (for example subcutaneously or intramuscularly or by intramuscular injection). Thus, for example, the compounds may be formulated with suitable polymeric or hydrophobic materials (for example as an emulsion in an acceptable oil) or ion exchange resins, or as sparingly soluble derivatives, for example, as a sparingly soluble salt.

An example of a pharmaceutical carrier for the hydrophobic compounds of the invention is a cosolvent system comprising benzyl alcohol, a nonpolar surfactant, a water-miscible organic polymer, and an aqueous phase. The cosolvent system may be the VPD co-solvent system. VPD is a solution of 3% w/v benzyl alcohol, 8% w/v of the nonpolar surfactant polysorbate 80, and 65% w/v polyethylene glycol 300, made up to volume in absolute ethanol. The VPD co-solvent system (VPD: 5W) consists of VPD diluted 1: 1 with a 5% dextrose in water solution. This co-solvent system dissolves hydrophobic compounds well, and itself produces low toxicity upon systemic administration. Naturally, the proportions of a co-solvent system may be varied considerably without destroying its solubility and toxicity characteristics. Furthermore, the identity of the co-solvent components may be varied: for example, other low-toxicity nonpolar surfactants may be used instead of polysorbate 80; the fraction size of polyethylene glycol may be varied; other

biocompatible polymers may replace polyethylene glycol, e. g. polyvinyl pyrrolidone; and other sugars or polysaccharides may substitute for dextrose.

Alternatively, other delivery systems for hydrophobic pharmaceutical compounds may be employed. Liposomes and emulsions are well known examples of delivery vehicles or carriers for hydrophobic drugs. Certain organic solvents such as dimethysulfoxide also may be employed, although usually at the cost of greater toxicity. Additionally, the compounds may be delivered using a sustained-release system, such as semipermeable matrices of solid hydrophobic polymers containing the therapeutic agent. Various sustained-release materials have been established and are well known by those skilled in the art. Sustained-release capsules may, depending on their chemical nature, release the compounds for a few weeks up to over 100 days. Depending on the chemical nature and the biological stability of the therapeutic reagent, additional strategies for protein stabilization may be employed.

The pharmaceutical compositions also may comprise suitable solid or gel phase carriers or excipients. Examples of such carriers or excipients include but are not limited to calcium carbonate, calcium phosphate, various sugars, starches, cellulose derivatives, gelatin, and polymers such as polyethylene glycols.

Many of the organic molecule compounds of the invention may be provided as salts with pharmaceutically compatible counterions. Pharmaceutically compatible salts may be formed with many acids, including but not limited to hydrochloric, sulfuric, acetic, lactic, tartaric, malic, succinic, etc. Salts tend to be more soluble in aqueous or other protonic solvents than are the corresponding free base forms.

Effective Dosage Pharmaceutical compositions suitable for use in the present invention include compositions wherein the active ingredients are contained in an effective amount to achieve its intended purpose. More specifically, a therapeutically effective amount means an amount effective to prevent development of or to alleviate the existing symptoms of the subject being treated. Determination of the effective amounts is well within the capability of those skilled in the art.

For any compound used in the method of the invention, the therapeutically effective dose can be estimated initially from cellular assays. For example, a dose

can be formulated in cellular and animal models to achieve a circulating concentration range that includes the ICso as determined in cellular assays (i. e., the concentration of the test compound which achieves a half-maximal inhibition of a given protein kinase activity). In some cases it is appropriate to determine the IC50 in the presence of 3 to 5% serum albumin since such a determination approximates the binding effects of plasma protein on the compound. Such information can be used to more accurately determine useful doses in humans. Further, the most preferred compounds for systemic administration effectively inhibit protein kinase signaling in intact cells at levels that are safely achievable in plasma.

A therapeutically effective dose refers to that amount of the compound that results in amelioration of symptoms in a patient. Toxicity and therapeutic efficacy of such compounds can be determined by standard pharmaceutical procedures in cell cultures or experimental animals, e. g., for determining the maximum tolerated dose (MTD) and the EDso (effective dose for 50% maximal response). The dose ratio between toxic and therapeutic effects is the therapeutic index and it can be expressed as the ratio between MTD and ED50. Compounds which exhibit high therapeutic indices are preferred. The data obtained from these cell culture assays and animal studies can be used in formulating a range of dosage for use in humans. The dosage of such compounds lies preferably within a range of circulating concentrations that include the EDo with little or no toxicity. The dosage may vary within this range depending upon the dosage form employed and the route of administration utilized.

The exact formulation, route of administration and dosage can be chosen by the individual physician in view of the patient's condition. (See e. g. Fingl et al., 1975, in "The Pharmacological Basis of Therapeutics", Ch. 1 pl). In the treatment of crises, the administration of an acute bolus or an infusion approaching the MTD may be required to obtain a rapid response.

Dosage amount and interval may be adjusted individually to provide plasma levels of the active moiety which are sufficient to maintain the kinase modulating effects, or minimal effective concentration (MEC). The MEC will vary for each compound but can be estimated from in vitro data; e. g. the concentration necessary to achieve 50-90% inhibition of protein kinase using the assays described herein.

Dosages necessary to achieve the MEC will depend on individual characteristics and route of administration. However, HPLC assays or bioassays can be used to determine plasma concentrations.

Dosage intervals can also be determined using the MEC value. Compounds should be administered using a regimen which maintains plasma levels above the MEC for 10-90% of the time, preferably between 30-90% and most preferably between 50-90% until the desired amelioration of symptoms is achieved. In cases of local administration or selective uptake, the effective local concentration of the drug may not be related to plasma concentration.

The amount of composition administered will, of course, be dependent on the subject being treated, on the subject's weight, the severity of the affliction, the manner of administration and the judgment of the prescribing physician.

Packaging The compositions may, if desired, be presented in a pack or dispenser device which may contain one or more unit dosage forms containing the active ingredient.

The pack may for example comprise metal or plastic foil, such as a blister pack. The < pack or dispenser device may be accompanied by instructions for administration.

Compositions comprising a compound of the invention formulated in a compatible pharmaceutical carrier may also be prepared, placed in an appropriate container, and labeled for treatment of an indicated condition.

In some formulations it may be beneficial to use the compounds of the present invention in the form of particles of very small size, for example as obtained by fluid energy milling.

The use of compounds of the present invention in the manufacture of pharmaceutical compositions is illustrated by the following description. In this description the term"active compound"denotes any compound of the invention but particularly any compound which is the final product of one of the preceding Examples. a) Capsules In the preparation of capsules, 10 parts by weight of active compound and 240 parts by weight of lactose can be de-aggregated and blended. The mixture can be

filled into hard gelatin capsules, each capsule containing a unit dose or part of a unit dose of active compound. b) Tablets Tablets can be prepared from the following ingredients.

Parts by weight Active compound 10 Lactose 190 Maize starch 22 Polyvinylpyrrolidone 10 Magnesium stearate 3 The active compound, the lactose and some of the starch can be de-aggregated, blended and the resulting mixture can be granulated with a solution of the polyvinyl- pyrrolidone in ethanol. The dry granulate can be blended with the magnesium stearate and the rest of the starch. The mixture is then compressed in a tabletting machine to give tablets each containing a unit dose or a part of a unit dose of active compound. c) Enteric coated tablets Tablets can be prepared by the method described in (b) above. The tablets can be enteric coated in a conventional manner using a solution of 20% cellulose acetate phthalate and 3% diethyl phthalate in ethanol : dichloromethane (1: 1). d) Suppositories In the preparation of suppositories, 100 parts by weight of active compound can be incorporated in 1300 parts by weight of triglyceride suppository base and the mixture formed into suppositories each containing a therapeutically effective amount of active ingredient.

In the compositions of the present invention the active compound may, if desired, be associated with other compatible pharmacologically active ingredients.

For example, the compounds of this invention can be administered in combination with one or more additional pharmaceutical agents that inhibit or prevent the production of VEGF, attenuate intracellular responses to VEGF, block intracellular signal transduction, inhibit vascular hyperpermeability, reduce inflammation, or

inhibit or prevent the formation of edema or neovascularization. The compounds of the invention can be administered prior to, subsequent to or simultaneously with the additional pharmaceutical agent, whichever course of administration is appropriate.

The additional pharmaceutical agents include but are not limited to anti-edemic steroids, NSAIDS, ras inhibitors, anti-TNF agents, anti-IL-1 agents, antihistamines, PAF-antagonists, COX-1 inhibitors, COX-2 inhibitors, NO synthase inhibitors, PKC inhibitors and PI3 kinase inhibitors. The compounds of the invention and the additional pharmaceutical agents act either additively or synergistically. Thus, the administration of such a combination of substances that inhibit angiogenesis, vascular hyperpermeability and/or inhibit the formation of edema can provide greater relief from the deleterious effects of a hyperproliferative disorder, angiogenesis, vascular hyperpermeability or edema than the administration of either substance alone. In the treatment of malignant disorders combinations with antiproliferative or cytotoxic chemotherapies or radiation are anticipated.

The present invention also comprises the use of a compound of formula I as a medicament.

Both the Src and Syk families of kinases play pivotal roles in the regulation of immune function. The Src family currently includes Fyn, Lck, Fgr, Fes, Lyn, Src, Yes, Hck, and Blk. The Syk family is currently understood to include only Zap and Syk. The Janus family of kinases is involved in the transduction of growth factor and proinflammatory cytokine signals through a number of receptors. Although BTK and ITK, members of the Tec family of kinases, play a less well understood role in immunobiology, their modulation by an inhibitor may prove therapeutically beneficial. The kinases RIP, IRAK-1, IRAK-2, NIK, TPL-2/COT, IKK-1 and IKK- 2 are involved in the signal transduction pathways for the key pro-inflammatory cytokines TNF and IL-1. By virtue of their ability to inhibit one or more of these kinases, compounds of formula I may function as immunomodulatory agents useful for the maintenance of allografts and the treatment of autoimmune disorders.

Through their ability to regulate T cell activation or the potentiation of an inflammatory process, these compounds could be used to treat such autoimmune diseases. Transplants due to rejection phenomena, either host versus graft for solid

organs or graft versus host for bone marrow, are limited by the toxicity of currently available immunosuppressive agents and would benefit from an efficacious drug with improved therapeutic index. Gene targeting experiments have demonstrated the essential role of Src in the biology of osteoclasts, the cells responsible for bone resorption. Compounds of formula I, through their ability to regulate Src, may also be useful in the treatment of osteoporosis, osteopetrosis, Paget's disease, tumor- induced hypercalcemia and in the treatment of bone metastases.

A number of protein kinases have been demonstrated to be protooncogenes.

Chromosome breakage (at the ltk kinase break point on chromosome 5), translocation as in the case of the Abl gene with BCR (Philadelphia chromosome), truncation in instances such as c-Kit or EGFR, or mutation (e. g., Met) result in the creation of dysregulated proteins converting them from protooncogene to oncogene products. In other tumors, oncogenesis is driven by an autocrine or paracrine ligand/growth factor receptor interactions. Members of the src-family kinases are typically involved in downstream signal transduction thereby potentiating the oncogenesis and themselves may become oncogenic by over-expression or mutation.

By inhibiting the protein kinase activity of these proteins the disease process may be disrupted. Vascular restenosis may involve process of FGF and/or PDGF- promoted smooth muscle and endothelial cell proliferation. The ligand stimulation of FGFR, PDGFR, IGF1-R and c-Met in vivo is proangiogenic, and potentiates angiogenesis dependent disorders. Inhibition of FGFr, PDGFr, c-Met, or IGF 1-R kinase activity may be an efficacious strategy for inhibiting these phenomena. Thus compounds of formula I which inhibit the kinase activity of normal or aberrant c-kit, c-met, c-fms, src-family members, EGFr, erbB2, erbB4, BCR-Abl, PDGFr, FGFr, IGF1-R and other receptor or cytosolic tyrosine kinases may be of value in the treatment of benign and neoplastic proliferative diseases.

In many pathological conditions (for example, solid primary tumors and metastases, Kaposi's sarcoma, rheumatoid arthritis, blindness due to inappropriate ocular neovascularization, psoriasis and atherosclerosis) disease progression is contingent upon persistent angiogenesis. Polypeptide growth factors often produced by the disease tissue or associated inflammatory cells, and their corresponding

endothelial cell specific receptor tyrosine kinases (e. g., KDR/VEGFR-2, Flt- 1/VEGFR-1, Tie-2/Tek and Tie) are essential for the stimulation of endothelial cell growth, migration, organization, differentiation and the establishment of the requisite new functional vasculature. As a result of the"vascular permeability factor"activity of VEGF in mediating vascular hyperpermeability, VEGF- stimulation of a VEGFR kinase is also believed to play an important role in the formation of tumor ascites, cerebral and pulmonary edema, pleural and pericardial effusions, delayed-type hypersensitivity reactions, tissue edema and organ dysfunction following trauma, burns, ischemia, diabetic complications, endometriosis, adult respiratory distress syndrome (ARDS), post-cardiopulmonary bypass-related hypotension and hyperpermeability, and ocular edema leading to glaucoma or blindness due to inappropriate neovascularization. In addition to VEGF, recently identified VEGF-C and VEGF-D, and virally-encoded VEGF-E or HIV-Tat protein can also cause a vascular hyperpermeability response through the stimulation of a VEGFR kinase. Tie-2 is expressed also in a select population of hematopoietic stem cells in which it may play a role in their recruitment, adhesion, regulation and differentiation (Blood, 4317-4326 (1997)); this Tie-2 expressing population may serve as circulating angiogenic endothelial progenitors. Certain agents according to formula I capable of blocking the kinase activity of endothelial cell specific kinases could therefore inhibit disease progression involving these situations.

The compounds of formula I or a salt thereof or pharmaceutical compositions containing a therapeutically effective amount thereof may be used in the treatment of benign and neoplastic proliferative diseases and disorders of the immune system.

Such diseases include autoimmune diseases, such as rheumatoid arthritis, thyroiditis, type 1 diabetes, multiple sclerosis, sarcoidosis, inflammatory bowel disease, Crohn's disease, myasthenia gravis and systemic lupus erythematosus; psoriasis, organ transplant rejection (eg. kidney rejection, graft versus host disease), benign and neoplastic proliferative diseases, human cancers such as lung, breast, stomach, bladder, colon, pancreas, ovarian, prostate and rectal cancer and hematopoietic malignancies (leukemia and lymphoma), and diseases involving inappropriate

vascularization for example diabetic retinopathy, retinopathy of prematurity, choroidal neovascularization due to age-related macular degeneration, and infantile hemangiomas in human beings. In addition, such inhibitors may be useful in the treatment of disorders involving VEGF mediated edema, ascites, effusions, and exudates, including for example macular edema, cerebral edema, acute lung injury and adult respiratory distress syndrome (ARDS).

The compounds of the present invention may also be useful in the prophylaxis of the above diseases.

A further aspect of the present invention provides the use of a compound of formula I or a salt thereof in the manufacture of a medicament for treating vascular hyperpermeability, angiogenesis-dependent disorders, proliferative diseases and/or disorders of the immune system in mammals, particularly human beings.

The present invention also provides a method of treating vascular hyperpermeability, inappropriate neovascularization, proliferative diseases and/or disorders of the immune system which comprises the administration of a therapeutically effective amount of a compound of formula I to a mammal, particularly a human being, in need thereof.

The in vitro potency of compounds in inhibiting these protein kinases may be determined by the procedures detailed below.

The potency of compounds can be determined by the amount of inhibition of the phosphorylation of an exogenous substrate (e. g., synthetic peptide (Z. Songyang et al., Nature. 373: 536-539) by a test compound relative to control.

KDR Tyrosine Kinase Production Using Baculovirus System: The coding sequence for the human KDR intra-cellular domain (aa789-1354) was generated through PCR using cDNAs isolated from HWEC cells. A poly-His6 sequence was introduced at the N-terminus of this protein as well. This fragment was cloned into transfection vector pVL1393 at the Xba 1 and Not 1 site.

Recombinant baculovirus (BV) was generated through co-transfection using the BaculoGold Transfection reagent (PharMingen). Recombinant BV was plaque purified and verified through Western analysis. For protein production, SF-9 cells

were grown in SF-900-11 medium at 2 x 106/ml, and were infected at 0.5 plaque forming units per cell (MOI). Cells were harvested at 48 hours post infection.

Purification of KDR SF-9 cells expressing (His) 6KDR (aa789-1354) were lysed by adding 50 ml of Triton X-100 lysis buffer (20 mM Tris, pH 8.0,137 mM NaCI, 10% glycerol, 1% Triton X-100,1mM PMSF, 1011g/ml aprotinin, 1 ug/ml leupeptin) to the cell pellet from 1L of cell culture. The lysate was centrifuged at 19,000 rpm in a Sorval SS-34 rotor for 30 min at 4°C. The cell lysate was applied to a 5 ml Nicol, chelating sepharose column, equilibrated with 50 mM HEPES, pH7.5,0.3 M Nazi. KDR was eluted using the same buffer containing 0.25 M imidazole. Column fractions were analyzed using SDS-PAGE and an ELISA assay (below) which measures kinase activity. The purified KDR was exchanged into 25mM HEPES, pH7.5,25mM NaCl, 5 mM DTT buffer and stored at-80°C.

Human Tie-2 Kinase Production and Purification The coding sequence for the human Tie-2 intra-cellular domain (aa775-1124) was generated through PCR using cDNAs isolated from human placenta as a template. A poly-His6 sequence was introduced at the N-terminus and this construct was cloned into transfection vector pVL 1939 at the Xba 1 and Not 1 site.

Recombinant BV was generated through co-transfection using the BaculoGold Transfection reagent (PharMingen). Recombinant BV was plaque purified and verified through Western analysis. For protein production, SF-9 insect cells were grown in SF-900-11 medium at 2 x 106/ml, and were infected at MOI of 0.5.

Purification of the His-tagged kinase used in screening was analogous to that described for KDR.

Human Flt-1 Tyrosine Kinase Production and Purification The baculoviral expression vector pVL1393 (Phar Mingen, Los Angeles, CA) was used. A nucleotide sequence encoding poly-His6 was placed 5'to the nucleotide region encoding the entire intracellular kinase domain of human Flt-1 (amino acids 786-1338). The nucleotide sequence encoding the kinase domain was generated through PCR using cDNA libraries isolated from HUVEC cells. The histidine residues enabled affinity purification of the protein as a manner analogous

to that for KDR and ZAP70. SF-9 insect cells were infected at a 0.5 multiplicity and harvested 48 hours post infection.

EGFR Tyrosine Kinase Source EGFR was purchased from Sigma (Cat # E-3641; 500 units/50 1ll) and the EGF ligand was acquired from Oncogene Research Products/Calbiochem (Cat # PF011-100).

Expression of ZAP70 The baculoviral expression vector used was pVL1393. (Pharmingen, Los Angeles, Ca.) The nucleotide sequence encoding amino acids M (H) 6 LVPRGS was placed 5'to the region encoding the entirety of ZAP70 (amino acids 1-619). The nucleotide sequence encoding the ZAP70 coding region was generated through PCR using cDNA libraries isolated from Jurkat immortalized T-cells. The histidine residues enabled affinity purification of the protein (vide infra). The LVPR<S bridge constitutes a recognition sequence for proteolytic cleavage by thrombin, enabling removal of the affinity tag from the enzyme. SF-9 insect cells were infected at a multiplicity of infection of 0.5 and harvested 48 hours post infection.

Extraction and purification of ZAP70 SF-9 cells were lysed in a buffer consisting of 20 mM Tris, pH 8.0,137 mM NaCI, 10% glycerol, 1% Triton X-100,1 mM PMSF, 1 pg/ml leupeptin, 10 pg/ml aprotinin and 1 mM sodium orthovanadate. The soluble lysate was applied to a chelating sepharose HiTrap column (Pharmacia) equilibrated in 50 mM HEPES, pH 7.5,0.3 M NaCI. Fusion protein was eluted with 250 mM imidazole. The enzyme was stored in buffer containing 50 mM HEPES, pH 7.5,50 mM NaCI and 5 mM DTT.

Lck source Lck or truncated forms of Lck may be commercially obtained (e. g. from Upstate Biotechnology Inc. (Saranac Lake, N. Y) and Santa Cruz Biotechnology Inc.

(Santa Cruz, Ca.)) or purified from known natural or recombinant sources using conventional methods.

Enzyme Linked Immunosorbent Assay (ELISA) For PTKs Enzyme linked immunosorbent assays (ELISA) were used to detect and measure the presence of tyrosine kinase activity. The ELISA were conducted according to known protocols which are described in, for example, Voller, et al., 1980,"Enzyme-Linked Immunosorbent Assay,"In: Manual of Clinical Immunology, 2d ed., edited by Rose and Friedman, pp 359-371 Am. Soc. of Microbiology, Washington, D. C.

The disclosed protocol was adapted for determining activity with respect to a specific PTK. For example, preferred protocols for conducting the ELISA experiments is provided below. Adaptation of these protocols for determining a compound's activity for other members of the receptor PTK family, as well as non- receptor tyrosine kinases, are well within the abilities of those in the art. For purposes of determining inhibitor selectivity, a universal PTK substrate (e. g., random copolymer of poly (Glu4 Tyr), 20,000-50,000 MW) was employed together with ATP (typically 5 uM) at concentrations approximately twice the apparent Km in the assay.

The following procedure was used to assay the inhibitory effect of compounds of this invention on KDR, Flt-1, Flt-4/VEGFR-3, Tie-2, EGFR, FGFR, PDGFR, IGF-1-R, c-Met and ZAP70 tyrosine kinase activity: Buffers and Solutions: PGTPoly (Glu, Tyr) 4: 1 Store powder at-20°C. Dissolve powder in phosphate buffered saline (PBS) for 50mg/ml solution. Store lml aliquots at-20°C. When making plates dilute to 250ug/ml in Gibco PBS.

Reaction Buffer: 1 OOmM Hepes, 20mM MgC12, 4mM MnC12, 5mM DTT, 0.02% BSA, 200, uM NaVO4, pH 7.

ATP: Store aliquots of lOOmM at-20°C. Dilute to 20gM in water Washing Buffer: PBS with 0.1% Tween 20 Antibody Diluting Buffer: 0.1% bovine serum albumin (BSA) in PBS

TMB Substrate: mix TMB substrate and Peroxide solutions 9: 1 just before use or use K-Blue Substrate from Neogen Stop Solution: 1M Phosphoric Acid Procedure 1. Plate Preparation: Dilute PGT stock (50mg/ml, frozen) in PBS to a 2501lg/ml. Add 1251 per well of Corning modified flat bottom high affinity ELISA plates (Corning #25805-96). Add 125µl PBS to blank wells. Cover with sealing tape and incubate overnight 37°C.

Wash lx with 250gel washing buffer and dry for about 2hrs in 37°C dry incubator.

Store coated plates in sealed bag at 4°C until used.

2. Tyrosine Kinase Reaction: -Prepare inhibitor solutions at a 4x concentration in 20% DMSO in water.

-Prepare reaction buffer -Prepare enzyme solution so that desired units are in 50µl, e. g. for KDR make to 1 ng/lll for a total of 50ng per well in the reactions. Store on ice.

-Make 4x ATP solution to 20aM from 100mM stock in water. Store on ice -Add 501l1 of the enzyme solution per well (typically 5-50 ng enzyme/well depending on the specific activity of the kinase) -Add 25) il 4x inhibitor -Add 25µl 4x ATP for inhibitor assay -Incubate for 10 minutes at room temperature -Stop reaction by adding 501l1 0.05N HCl per well -Wash plate **Final Concentrations for Reaction: 5pM ATP, 5% DMSO 3. Antibody Binding -Dilute lmg/ml aliquot of PY20-HRP (Pierce) antibody (a phosphotyrosine antibody) to 50ng/ml in 0.1% BSA in PBS by a 2 step dilution (100x, then 200x) -Add 1001 Ab per well. Incubate 1 hr at room temp. Incubate lhr at 4C.

-Wash 4x plate

4. Color reaction -Prepare TMB substrate and add 100fol1 per well -Monitor OD at 650nm until 0.6 is reached -Stop with 1M Phosphoric acid. Shake on plate reader.

-Read OD immediately at 450nm Optimal incubation times and enzyme reaction conditions vary slightly with enzyme preparations and are determined empirically for each lot.

For Lck, the Reaction Buffer utilized was 100 mM MOPSO, pH 6.5,4 mM MnCl2, 20 mM MgC12,5 mM DTT, 0.2% BSA, 200 mM NaVO4 under the analogous assay conditions.

Compounds of formula I may have therapeutic utility in the treatment of diseases involving both identified, including those not mentioned herein, and as yet unidentified protein tyrosine kinases which are inhibited by compounds of formula I.

All compounds exemplified herein significantly inhibit KDR kinase at concentrations of 50 micromolar or below. Some compounds of this invention also significantly inhibit other PTKs such as Ick at concentrations of 50 micromolar or below.

Cdc2 source The human recombinant enzyme and assay buffer may be obtained commercially (New England Biolabs, Beverly, MA. USA) or purified from known natural or recombinant sources using conventional methods.

Cdc2 Assay The protocol used was that provided with the purchased reagents with minor modifications. In brief, the reaction was carried out in a buffer consisting of 50mM Tris pH 7.5,100mM NaCI, ImM EGTA, 2mM DTT, 0.01% Brij, 5% DMSO and IOmM MgCl2 (commercial buffer) supplemented with fresh 300 p1M ATP (31 pCi/ml) and 30 llg/ml histone type IIIss final concentrations. A reaction volume of 8011L, containing units of enzyme, was run for 20 minutes at 25 degrees C in the presence or absence of inhibitor. The reaction was terminated by the addition of 120uL of 10% acetic acid. The substrate was separated from unincorporated label by spotting the mixture on phosphocellulose paper, followed by 3 washes of 5

minutes each with 75mM phosphoric acid. Counts were measured by a betacounter in the presence of liquid scintillant.

Certain compounds of this invention significantly inhibit cdc2 at concentrations below 50 uM.

PKC kinase source The catalytic subunit of PKC may be obtained commercially (Calbiochem).

PKC kinase assay A radioactive kinase assay was employed following a published procedure (Yasuda, I., Kirshimoto, A., Tanaka, S., Tominaga, M., Sakurai, A., Nishizuka, Y.

Biochemical and Biophysical Research Communication 3: 166,1220-1227 (1990)).

Briefly, all reactions were performed in a kinase buffer consisting of 50 mM Tris- HC1 pH7.5, lOmM MgCl2,2mM DTT, ImM EGTA, 100 uM ATP, 8 RM peptide, 5% DMSO and 33P ATP (8Ci/mM). Compound and enzyme were mixed in the reaction vessel and the reaction initiated by addition of the ATP and substrate mixture. Following termination of the reaction by the addition of 10 gL stop buffer (5 mM ATP in 75mM phosphoric acid), a portion of the mixture was spotted on phosphocellulose filters. The spotted samples were washed 3 times in 75 mM phosphoric acid at room temperature for 5 to 15 minutes. Incorporation of radiolabel was quantified by liquid scintillation counting.

Erk2 enzyme source The recombinant murine enzyme and assay buffer may be obtained commercially (New England Biolabs, Beverly MA. USA) or purified from known natural or recombinant sources using conventional methods.

Erk2 enzyme assay In brief, the reaction was carried out in a buffer consisting of 50 mM Tris pH 7.5,1mM EGTA, 2mM DTT, 0.01% Brij, 5% DMSO and 10 mM MgC12 (commercial buffer) supplemented with fresh 100 pM ATP (31 pCi/ml) and 30pM myelin basic protein under conditions recommended by the supplier. Reaction volumes and method of assaying incorporated radioactivity were as described for the PKC assay (vide supra).

In Vitro Models for T-cell Activation Upon activation by mitogen or antigen, T-cells are induced to secrete IL-2, a growth factor that supports their subsequent proliferative phase. Therefore, one may measure either production of IL-2 from or cell proliferation of, primary T-cells or appropriate T-cell lines as a surrogate for T-cell activation. Both of these assays are well described in the literature and their parameters well documented (in Current Protocols in Immunology, Vol 2,7.10.1-7.11.2).

In brief, T-cells may be activated by co-culture with allogenic stimulator cells, a process termed the one-way mixed lymphophocyte reaction. Responder and stimulator peripheral blood mononuclear cells are purified by Ficoll-Hypaque gradient (Pharmacia) per directions of the manufacturer. Stimulator cells are mitotically inactivated by treatment with mitomycin C (Sigma) or gamma irradiation. Responder and stimulator cells are co-cultured at a ratio of two to one in the presence or absence of the test compound. Typically 105 responders are mixed with 5 x 104 stimulators and plated (200 pL1 volume) in a U bottom microtiter plate (Costar Scientific). The cells are cultured in RPMI 1640 supplemented with either heat inactivated fetal bovine serum (Hyclone Laboratories) or pooled human AB serum from male donors, 5 x 10-5M 2mercaptoethanol and 0.5% DMSO, The cultures are pulsed with 0.5, uCi of 3H thymidine (Amersham) one day prior to harvest (typically day three). The cultures are harvested (Betaplate harvester, Wallac) and isotope uptake assessed by liquid scintillation (Betaplate, Wallac).

The same culture system may be used for assessing T-cell activation by measurement of IL-2 production. Eighteen to twenty-four hours after culture initiation, the supernatants are removed and the IL-2 concentration is measured by ELISA (R and D Systems) following the directions of the manufacturer.

In-vivo Models of T-Cell Activation The in vivo efficacy of compounds can be tested in animal models known to directly measure T-cell activation or for which T-cells have been proven the effectors. T-cells can be activated in vivo by ligation of the constant portion of the T-cell receptor with a monoclonal anti-CD3 antibody (Ab). In this model, BALB/c

mice are given l0ug of anti-CD3 Ab intraperitoneally two hours prior to exsanguination. Animals to receive a test drug are pre-treated with a single dose of the compound one hour prior to anti-CD3 Ab administration. Serum levels of the proinflammatory cytokines interferon-y (IFN-y) and tumor necrosis factor-a (TNF-a), indicators of T-cell activation, are measured by ELISA. A similar model employs in vivo T-cell priming with a specific antigen such as keyhole limpet hemocyanin (KLH) followed by a secondary in vitro challenge of draining lymph node cells with the same antigen. As previously, measurement of cytokine production is used to assess the activation state of the cultured cells. Briefly, C57BL/6 mice are immunized subcutaneously with 100 llg KLH emulsified in complete Freund's adjuvant (CFA) on day zero. Animals are pre-treated with the compound one day prior to immunization and subsequently on days one, two and three post immunization. Draining lymph nodes are harvested on day 4 and their cells cultured at 6 x 106 per ml in tissue culture medium (RPMI 1640 supplemented with heat inactivated fetal bovine serum (Hyclone Laboratories) 5 x 10-5 M 2-mercaptoethanol and 0.5% DMSO) for both twenty-four and forty-eight hours.

Culture supernatants are then assessed for the autocrine T-cell growth factor Interleukin-2 (IL-2) and/or IFN-y levels by ELISA.

Lead compounds can also be tested in animal models of human disease.

These are exemplified by experimental auto-immune encephalomyelitis (EAE) and collagen-induced arthritis (CIA). EAE models which mimic aspects of human multiple sclerosis have been described in both rats and mice (reviewed FASEB J.

5: murine model: Lab. Invest. 4 (3): 278,1981; rodent model: J.

Immunol 146 (4): 1163-8,1991). Briefly, mice or rats are immunized with an emulsion of myelin basic protein (MBP), or neurogenic peptide derivatives thereof, and CFA. Acute disease can be induced with the addition of bacterial toxins such as bordetella pertussis. Relapsing/remitting disease is induced by adoptive transfer of T-cells from MBP/peptide immunized animals.

CIA may be induced in DBA/1 mice by immunization with type II collagen (J. Immunol: 142 (7): 2237-2243). Mice will develop signs of arthritis as early as ten days following antigen challenge and may be scored for as long as ninety days after

immunization. In both the EAE and CIA models, a compound may be administered either prophylactically or at the time of disease onset. Efficacious drugs should reduce severity and/or incidence.

Certain compounds of this invention which inhibit one or more angiogenic receptor PTK, and/or a protein kinase such as lck involved in mediating inflammatory responses can reduce the severity and incidence of arthritis in these models.

Compounds can also be tested in mouse allograft models, either skin (reviewed in Ann. Rev. Immunol., 10: 333-58,1992; Transplantation: 57 (12): 1701-17D6,1994) or heart (Am. J. Anat.: 113: 273,1963). Briefly, full thickness skin grafts are transplanted from C57BL/6 mice to BALB/c mice. The grafts can be examined daily, beginning at day six, for evidence of rejection. In the mouse neonatal heart transplant model, neonatal hearts are ectopically transplanted from C57BL/6 mice into the ear pinnae of adult CBA/J mice. Hearts start to beat four to seven days post transplantation and rejection may be assessed visually using a dissecting microscope to look for cessation of beating.

Cellular Receptor PTK Assays The following cellular assay was used to determine the level of activity and effect of the different compounds of the present invention on KDR/VEGFR2.

Similar receptor PTK assays employing a specific ligand stimulus can be designed along the same lines for other tyrosine kinases using techniques well known in the art.

VEGF-Induced KDR Phosphorylation in Human Umbilical Vein Endothelial Cells (HUVEC) as Measured by Western Blots: 1. HUVEC cells (from pooled donors) were purchased from Clonetics (San Diego, CA) and cultured according to the manufacturer directions. Only early passages (3-8) were used for this assay. Cells were cultured in 100 mm dishes (Falcon for tissue culture; Becton Dickinson; Plymouth, England) using complete EBM media (Clonetics).

2. For evaluating a compound's inhibitory activity, cells were trypsinized and seeded at 0.5-1.0 x 105 cells/well in each well of 6-well cluster plates (Costar; Cambridge, MA).

3.3-4 days after seeding, plates were 90-100% confluent. Medium was removed from all the wells, cells were rinsed with 5-1 Oml of PBS and incubated 18- 24h with 5ml of EBM base media with no supplements added (i. e., serum starvation).

4. Serial dilutions of inhibitors were added in lml of EBM media (25, uM, 5llM, or 1pM final concentration to cells and incubated for one hour at 37 C. Human recombinant VEGF, (R & D Systems) was then added to all the wells in 2 ml of EBM medium at a final concentration of 50ng/ml and incubated at 37 C for 10 minutes. Control cells untreated or treated with VEGF only were used to assess background phosphorylation and phosphorylation induction by VEGF.

All wells were then rinsed with 5-lOml of cold PBS containing 1mM Sodium Orthovanadate (Sigma) and cells were lysed and scraped in 200ut of RIPA buffer (50mM Tris-HCl) pH7,150mM NaCI, 1% NP-40,0.25% sodium deoxycholate, 1mM EDTA) containing protease inhibitors (PMSF lmM, aprotinin lug/ml, pepstatin Igg/ml, leupeptin lug/ml, Na vanadate lmM, Na fluoride 1mM) and 1 pg/ml of Dnase (all chemicals from Sigma Chemical Company, St Louis, MO).

The lysate was spun at 14,000 rpm for 30min, to eliminate nuclei.

Equal amounts of proteins were then precipitated by addition of cold (-20 C) Ethanol (2 volumes) for a minimum of 1 hour or a maximum of overnight. Pellets were reconstituted in Laemli sample buffer containing 5%-mercaptoethanol (BioRad; Hercules, CA) and boiled for 5min. The proteins were resolved by polyacrylamide gel electrophoresis (6%, 1.5mm Novex, San Deigo, CA) and transferred onto a nitrocellulose membrane using the Novex system. After blocking with bovine serum albumin (3%), the proteins were probed overnight with anti-KDR polyclonal antibody (C20, Santa Cruz Biotechnology; Santa Cruz, CA) or with anti- phosphotyrosine monoclonal antibody (4G10, Upstate Biotechnology, Lake Placid, NY) at 4 C. After washing and incubating for 1 hour with HRP-conjugated F (ab) z of

goat anti-rabbit or goat-anti-mouse IgG the bands were visualized using the emission chemiluminescience (ECL) system (Amersham Life Sciences, Arlington Height, IL).

Certain examples of the present invention significantly inhibit cellular VEGF- induced KDR tyrosine kinase phosphorylation at concentrations of less than 50 zM.

In vivo Uterine Edema Model This assay measures the capacity of compounds to inhibit the acute increase in uterine weight in mice which occurs in the first few hours following estrogen stimulation. This early onset of uterine weight increase is known to be due to edema caused by increased permeability of uterine vasculature. Cullinan-Bove and Koss (Endocrinology (1993), 133: 829-837) demonstrated a close temporal relationship of estrogen-stimulated uterine edema with increased expression of VEGF mRNA in the uterus. These results have been confirmed by the use of neutralizing monoclonal antibody to VEGF which significantly reduced the acute increase in uterine weight following estrogen stimulation (WO 97/42187). Hence, this system can serve as a model for in vivo inhibition of VEGF signaling and the associated hyperpermeability and edema.

Materials: All hormones were purchased from Sigma (St. Louis, MO) or Cal Biochem (La Jolla, CA) as lyophilized powders and prepared according to supplier instructions.

Vehicle components (DMSO, Cremaphor EL) were purchased from Sigma (St.

Louis, MO).

Mice (Balb/c, 8-12 weeks old) were purchased from Taconic (Germantown, NY) and housed in a pathogen-free animal facility in accordance with institutional Animal Care and Use Committee Guidelines.

Method: Day 1: Balb/c mice were given an intraperitoneal (i. p.) injection of 12.5 units of pregnant mare's serum gonadotropin (PMSG).

Day 3: Mice received 15 units of human chorionic gonadotropin (hCG) i. p.

Day 4: Mice were randomized and divided into groups of 5-10. Test compounds were administered by i. p., i. v. or p. o. routes depending on solubility and

vehicle at doses ranging from 1-100 mg/kg. Vehicle control group received vehicle only and two groups were left untreated.

Thirty minutes later, experimental, vehicle and 1 of the untreated groups were given an i. p. injection of 17-estradiol (500 ug/kg). After 2-3 hours, the animals were sacrificed by CO2 inhalation. Following a midline incision, each uterus was isolated and removed by cutting just below the cervix and at the junctions of the uterus and oviducts. Fat and connective tissue were removed with care not to disturb the integrity of the uterus prior to weighing (wet weight). Uteri were blotted to remove fluid by pressing between two sheets of filter paper with a one liter glass bottle filled with water. Uteri were weighed following blotting (blotted weight).

The difference between wet and blotted weights was taken as the fluid content of the uterus. Mean fluid content of treated groups was compared to untreated or vehicle treated groups. Significance was determined by Student's test. Non-stimulated control group was used to monitor estradiol response.

Results demonstrate that certain compounds of the present invention inhibit the formation of edema when administered systemically by various routes.

Certain compounds of this invention which are inhibitors of angiogenic receptor tyrosine kinases can also be shown active in a Matrigel implant model of neovascularization. The Matrigel neovascularization model involves the formation of new blood vessels within a clear"marble"of extracellular matrix implanted subcutaneously which is induced by the presence of proangiogenic factor producing tumor cells (for examples see: Passaniti, A., et al, Lab. Investig. (1992), 67 (4), 519- 528; Anat. Rec. (1997), 249 (1), 63-73; Int. J. Cancer (1995), 63 (5), 694-701; Vasc.

Biol. (1995), 15 (11), 1857-6). The model preferably runs over 3-4 days and endpoints include macroscopic visual/image scoring of neovascularization, microscopic microvessel density determinations, and hemoglobin quantitation (Drabkin method) following removal of the implant versus controls from animals untreated with inhibitors. The model may alternatively employ bFGF or HGF as the stimulus.

Certain compounds of this invention which inhibit one or more oncogenic, protooncogenic, or proliferation-dependent protein kinases, or angiogenic receptor

PTK also inhibit the growth of primary murine, rat or human xenograft tumors in mice, or inhibit metastasis in murine models.

EXEMPLIFICATION The core structure of the compounds of the invention was synthesized via a base catalyzed aldol condensation followed by an elimination reaction. Scheme I is a general representation of this reaction. The appropriate starting materials, II and III, for making the compounds of general formula IV of the present invention synthesized in accordance with general Scheme I are commercially available and/or can be made according to methods well-known in the art and/or are enabled by the description provided herein. Rt O R R Catalytic amount x of base 0- /N H/\ R O N H II. III. IV. Scheme I: General synthesis of 4-[(substituted) methylene]-2-pyrazolin-5-ones.

1.4-[(Pyrrol-2-yl) methylene]-2-pyrazolin-5-ones (V).

Example 1: 3-Cyclopropyl-4- [ (4,5-dimethylpyrrol-2-yl) methylene]-2-pyrazolin- 5-one.

A reaction mixture of 3-cyclopropyl-2-pyrazolin-5-one (790 mg, 6.3 mmol), 4,5-dimethylpyrrole-2-carboxaldehyde (800 mg, 6.5 mmol), and piperidine 100 mg, in ethanol 50 mL was stirred at 90°C for 3.5 h. The solvent was removed under

reduced pressure. The solid residue was purified by flash column chromatography using (3: 7) ethyl acetate: hexane as the mobile phase, then further purified by recrystallization from toluene.

Example 40: 3-Tert-butylureido-4-[(pyrrol-2-yl) methylene]-2-pyrazolin-5-one.

A reaction mixture of 3-amino-4-[(pyrrol-2-yl) methylene]-2-pyrazoline-5- one (1.7 mmol) and tert-butylisocyanate (1 mL) in ethyl acetate 5 mL was stirred at 80°C for 2 h. The product was collected by filtration and recrystallized from ethanol.

Example 88: 4-{[4-(2-Dimethylaminoethyoxycarbonyl)-3, 5-dimethylpyrrol-2- yl] methylene}-3-isopropoxy-2-pyrazolin-5-one.

A mixture of 4- [ (4-carboxy-3,5-dimethylpyrrol-2-yl) methylene]-3- isopropoxy-2-pyrazolin-5-one (200 mg, 0.68 mmol) in dichloromethane (20 ml) and a drop of DMF, was treated with oxalyldichloride (0.2 ml). The stirring was continued for 24 h and a solution of dimethylaminoethanol (0.6g, 6.7 mmol) in dichloromethane (5ml) was added. The stirring was continued for 24 h. The solvent was evaporated to dryness, the solid residue was treated with NaHCO3 (5%) and extracted with dichloromethane. The solid obtained after elimination of the solvent was recrystallized from n-heptane.

Example 194: 4-1 [4- (2-Diethylaminoethyl)-3,5-dimethylpyrrole-2-yl] methylene}- 3-pyrazinyl-2-pyrazolin-5-one N-oxide A mixture of Example 176 (0.2 g, 0.54 mmol) and m-chloroperbenzoic acid (0.2 g, 1.1 mmol) in chloroform (50 ml) was stirred at room temperature over 48 hrs.

The solvent was removed to dryness and the residue purified by flash chromatography (dichloromethane/ethanol 9: 1). Yield 30%, mp 192°C (ethanol) Table 1: Other compounds synthesized having structural formula V. Example Substituent on Ring R'Recrystallization Solvent % Method A Yield 1 4,5-dimeth 1 c clo ro 1 toluene 30 see Example 1 2 none benzyl toluene: heptane 64 see Example 1 3 none 4-methoxy-methanol 36 see Example 1 phenyloxy methyl 4 none phenyloxy NA 33 see Example 1 methyl 5 none 4-chloro-ethanol 33 see Example 1 phenyloxy methyl 6 none 4-methoxy ethanol 21 see Example 1 benzyl 7 4- (2-carboxyethyl)- benzyl NA see Example 1 3-methyl 8 3- (2-carboxyethyl)- benzyl isopropanol see Example 1 4-methyl 9 none 4-methyl-methanol 42 see Example 1 phenyloxy- methyl 10 none amino isopropanol 90 see Example 1 11 none isopropoxy isopropanol 52 see Example 1 12 none phenylethyl NA 86 see Example 1 13 none phenylamino isopropanol 86 see Example 1 14 none 4-methanol 60 see Example 1 methylbenzyl 15 none 4-methanol 86 see Example 1 methylphenyl -amino 16 none 4-methoxy-DMF: water 92 see Example 1 phenylamino 17 none 4-ethanol 56 see Example 1 chlorobenzyl 18 none 4-ethanol 90 see Example 1 chlorophenyl- amino 19 none 3-NA 50 see Example 1 chlorophenyl- oxymethyl 20 none indol-3-yl ethanol 90 see Example 1 21 none 3-methanol 21 see Example 1 methoxybenz Yl 22 none 3,4- ethanol 83 see Example 1 dimethoxy- benzyl 23 none 4-methoxy-ethanol 91 see Example 1 phenylethyl 24 none 4-phenyl-methanol 72 see Example 1 phenyloxy methyl 25 none 2-heptane 10 see Example 1 phenylpropyl 26 none 3-toluene: heptane 60 see Example 1 phenylpropyl 27 none 4-hydroxy-methanol 76 see Example 1 phenylethyl 28 3,5-dimethyl phenylethyl methanol 51 see Example 1 29 none 4-methyl-ethanol 53 see Example 1 phenylethyl 30 3,5-dimethyl isopropoxy heptane 55 see Example 1 31 none ethoxy ethanol 76 see Example 1 32 none 4-nitro-toluene 48 see Example 1 phenylethyl 33 none 4-fluoro-isopropanol 66 see Example 1 phenylamino 34 none 4-chloro-ethanol 60 see Example 1 phenylethyl 35 methanol55seeExample1isopropoxy 36 3,5-dimethyl-4- isopropoxy toluene 47 see Example 1 ethyl 37 3,5-dimethyl-4- phenylethyl heptane 49 see Example 1 ethyl 38 1- (4-hydroxy- isopropoxy NA 80 see Example 1 butyl) 39 none cyclopentylo methanol 75 see Example 1 x 40 none tert-ethanol 87 see Example 40 butylureido 41 4-methyl isopropoxy toluene 34 see Example 1 42 4-methyl 4-amino-NA 27 see Example 1 phenylethyl 43 1-methyl isopropoxy toluene 55 see Example 1 44 5-methyl isopropoxy methanol: water 30 see Example 1 45 3,5-dimethyl-4- 4-toluene 50 see Example I ethyl aminophenyl ethyl 46 5-methyl ethoxy methanol 58 see Example 1 47 water 82 see Example 1 ethyl phenylethyl 48 3,5-dimethyl-4- 4-methoxy methanol 70 see Example 1 ethyl carbonyl- phenylethyl 49 3,5-dimethyl-4- isopropoxy ethanol 81 see Example 1 ethoxycarbonyl 50 3,5-dimethyl-4- 4-amino-ethanol 62 see Example 1 ethoxycarbonyl phenylethyl 51 5-ethyl isopropoxy heptane 48 see Example 1 52 3,5-dimethyl-4- 4-hydroxy-isopropanol 35 see Example 1 ethyl phenylethyl 53 none ethoxycarbon ethanol 35 see Example 1 yl-methyl 54 none 4-methoxy-methanol 46 see Example 1 phenylamino- carbonylmeth vl 55 3 (2-carboxyethyl)- isopropyl ethanol 32 see Example 1 4-methyl 56 none cyclopropyl ethanol 50 see Example 1 57 none cyclobutyl ethanol 65 see Example 1 58 none 3-pyridyl ethanol 50 see Example 1 59 1- (3,5-dichloro- cyclopropyl ethanol 30 see Example 1 phenyl) 60 none 2,2,3, 3- toluene 55 see Example 1 tetramethyl- cyclopropyl 61 3,5-dimethyl cyclopropyl toluene 33 see Example 1 62 none cyclopentyl toluene 66 see Example 1 63 none 2-methyl hexane 44 see Example 1 cyclopropyl 64 none benzothiazol-DMF: water 60 see Example 1 2-yl 65 4,5-dimethyl 3-pyridyl ethanol 35 see Example 1 66 3, 5-dimethyl-5- cyclopronyl ethanol 50 see Example 1 ethyl 67 none pyrrol-2-yl methanol 88 see Example 1 68 4-methyl cyclopropyl ethanol 35 see Example 1 69 4-methyl benzothiazol-ethanol 48 see Example 1 2-yl 70 3,5-dimethyl 3-pyridyl ethanol 24 see Example 1 71 3,5-dimethyl-4- 3-pyridyl ethanol 51 see Example 1 ethyl 72 5-methyl cyclopropyl ethanol 50 see Example 1 73 5-methyl 3-pyridyl ethanol 47 see Example 1 74 5-ethyl cyclopropyl ethanol: water 21 see Example 1 75 3, 5-dimethyl-4- cyclopropyl ethanol 83 see Example 1 ethoxycarbonyl 76 5-phenyl isopropoxy methanol 66 see Example 1 77 none propyl NA 49 see Example 1 78 none methyl NA 6 see Example 1 79 none 4-isopropyl-NA 50 see Example 1 phenylamino 80 none 3-NA 80 see Example 1 phenylamino 81 1-(4-hydroxy-butyl cyclopropyl ethanol 34 see Example 1 82 4- (2-carboxyethyl)- isopropoxy ethanol 46 see Example 1 3-methyl 83 4-carboxy-3,5- isopropoxy NA 41 see Example 1 dimethyl 84 4, 5-tetramethylene isopropoxy ethanol 77 see Example 1 85 3,4-dimethyl-4- isopropoxy NA 30 see Example 1 morpholino methyl 86 3,5-dimethyl-4- isopropoxy heptane 30 see Example 1 dimethylamino methyl 87 4-acetyl-3,5- isopropoxy ethanol 62 see Example 1 dimethyl 88 3,5-dimethyl-4- (2- isopropoxy heptane 40 See Example 88 dimethyl aminoethyloxy carbonyl) 89 3,5-dimethyl-4- (2- isopropoxy toluene: heptane 41 See Example 88 dimethyl aminoethyl aminocarbonyl) 90 5-ethoxy carbonyl isopropoxy methanol 79 see Example 1 91 5-carboxy isopropoxy toluene 83 see Example 1 92 none 4-DMF/water 50 see Example 1 chlorophenyl aminocarbon ylmethyl 93 5-phenyl cyclopropyl ethanol 72 see 94 3,5-dimethyl-4- tetrahydrofur toluene 44 see Example 1 ethyl an-3-yl 95 4-carboxy-3,5- cyclopropyl ethanol 69 see Example 1 dimethyl 96 3,5-dimethyl-4- 3-pyridyl ethanol 86 see Example 1 ethoxycarbonyl 97 3,5-dimethyl-4-cyclopropyl NA 34 see Example 1 morpholino methyl 98 3,4-dimethyl pyrazinyl methanol 60 see Example 1 99 4- (2-carboxy cyclopropyl methanol 51 see Example 1 ethyl)-3-methyl 100 3,5-dimethyl-4- cyclopropyl NA 67 see Example 1 dimethylamino methyl 101 5-ethoxy carbonyl cyclopropyl ethanol 91 see Example 1 102 4,5-tetramethylene cyclopropyl ethanol 84 see Example 1 103 none 2-methoxy ethanol 56 see Example 1 carbonyl ethyl 104 none ethoxycarbon NA 40 see Example 1 yl 105 none isopropyl NA 44 see Example 1 106 none trans-2-toluene 46 see Example 1 phenyl cyclopropyl 107 none cyclohexyl toluene 32 see Example 1 108 4,5-tetramethylene cyclopropyl ethanol 50 see Example 1 amino 109 5-morpholino cyclopropyl ethylacetate 72 see Example 1 methyl 110 5-carboxy cyclopropyl ethanol 50 see Example 1 111 4-chloro ethox ethanol 88 see Example 1 112 4-bromo ethoxyethanol 70 see Example 1 113 5-chloro ethoxy NA 37 see Example 1 114 4-chloro cyclopropyl ethanol 42 see Example 1 115 4-bromo cyclopropyl ethanol 50 seeExample 1 116 4,5-tetramethylene pyrazinyl ethanol 85 see Example 1 117 4,5-tetramethylene 3-pyridyl ethanol 84 see Example 1 118 4-carboxy-3, 5- pyrazinyl DMF 66 see Example 1 dimethyl 119 3,5-dimethyl-4- (2- cyclopropyl NA 71 see Example 88 dimethylamino ethyloxycarbonyl) 120 3,5-dimethyl-4- (2- pyrazinyl NA 20 see Example 88 dimethylamino ethyloxycarbonyl 121 3,5-dimethyl-4- pyrazinyl toluene 76 see Example 1 dimethylamino methyl 122 3,5-dimethyl-4- pyrazinyl ethanol 98 Maleate salt fromdimethylaminoformed methyl maleate free base of Example 121. (Seefootnote) 123 3,5-dimethyl-4- (2- pyrazinyl toluene 20 see Example 1 morpholino ethylamino carbonyl) 124 3,5-dimethyl 2-pyridyl ethanol 36 see Example 1 125 3,5-dimethyl-4- 2-pyridyl ethanol 50 see Example 1 ethyl 126 4,5-tetramethylene 2-pyridyl ethanol 58 see Example 1 127 3, 5-dimethyl 2-furyl ethanol 51 see Example 1 128 3,5-dimethyl-4- pyrazinyl NA 28 see Example 1 morpholino methyl 129 3, 5-dimethyl 2-thienyl ethanol 25 see Example 1 130 4-ethox carbon 1 c clo ro 1 ethanol 68 see Example 1 131 3, 5-dimethyl-4- cyclopropyl ethanol 70 see Example 1 trifluoro acetamidomethyl 132 4-aminomethyl-3, 5- cyclopropyl ethanol 30 see Example 1 dimethyl 133 3,5-dimethyl benzothiazol-ethanol 40 see Example 1 2-yl 134 3,5-dimethyl-4- benzothiazol-ethanol 40 see Example 1 morpholino 2-yl methyl 135 3,5-dimethyl-4- pyrazinyl ethanol 74 see Example 1 ethyl 136 4-ethoxycarbonyl pyrazinyl toluene 26 see Example 1 137 4-carboxy pyrazinyl methanol 70 see Example 1 138 3,5-dimethyl-4- pyrazinyl ethanol 50 see Example 1 diethanolamino methyl 139 3,5-dimethyl-4- pyrazinyl NA 78 see Example 1 trifluoro acetamidomethyl 140 4-ethoxycarbonyl-cyclopropyl ethanol 68 see Example 1 3-phenyl 141 3,5-dimethyl-4- (1- pyrazinyl toluene 23 see Example 1 pyrrolidinyl methyl) 142 3,5-dimethyl-4- 2-furyl toluene 20 see Example 1 dimethylamino methyl 143 3,5-dimethyl-4- 2-thienyl toluene 48 see Example 1 dimethylamino methyl 144 3,5-dimethyl-4- 3-pyridyl toluene 51 see Example 1 dimethylamino methyl 145 3,5-dimethyl-4- phenyl ethanol 89 see Example 1 ethoxycarbonyl 146 3,5-dimethyl-4- phenyl methanol 34 see Example 1 ethyl 147 3,4-di (ethoxy ethoxy ethanol 54 see Example 1 carbonyl) 148 4-ethoxycarbonyl ethoxy methanol 30 see Example 1 149 3,5-dimethyl-4- 2- (3- ethanol 81 see Example 1 ethoxycarbonyl pyridyl) ethyl 150 3,5-dimethyl-4-1-methyl-2-ethanol 52 see Example 1 ethoxycarbonyl phenylethyl 151 4-carboxy-3,5- ethoxy DMF: water 81 see Example 1 dimethyl 152 5-nitro ethoxy ethanol 64 see Example 1 153 4-nitro ethoxy toluene 95 see Example 1 154 4-carbox ethox NA 40 see Exam le 1 155 3,5-dimethyl-4- (2- ethoxy heptane 86 see Example 88 dimethyl aminoethyl amino carbonyl) 156 5-chloro-3-ethoxy ethanol 46 see Example 1 methoxycarbonyl- 4-methoxy carbonyhnethyl 157 3- (2-carboxyethyl)- ethoxy NA 54 see Example 1 4-methyl 158 3,5-dimethyl-4- ethoxy ethanol 82 see Example 1 ethoxycarbonyl 159 4,5-tetramethylene ethoxy heptane 80 see Example 1 160 3,5-dimethyl-4- trifluoro-ethanol 45 see Example 1 ethoxycarbonyl methyl 161 water 74 see Example 1 ethoxycarbonyl 162 3,5-dimethyl-4- 3-amino-ethanol 76 see Example 1 ethoxycarbonyl phenyl 163 4-morpholino ethoxy NA 30 see Example 88 ethyl aminocarbonyl 164 4-ethoxycarbonyl-pyrazinyl toluene 70 see Example 1 3-phenyl 165 4-(4-methyl-1- pyrazinyl DMF 58 see Example 1 pyperazinyl methyl)-3,5- dimethyl 166 4-diethylamino pyrazinyl NA 20 see Example 1 methyl-3,5- dimethyl 167 3,5-dimethyl-4- pyrazinyl toluene 25 see Example 1 piperidino methyl 168 3,5-dimethyl-4- 5-isoxazolyl NA 35 see Example 1 piperidinomethyl 169 3,5-dimethyl-4- 5-isoxazolyl NA 30 see Example 1 dimethylamino methyl 170 5-methyl-4-pyrazinyl toluene-heptane 75 see Example I dimethylamino methyl 171 3,5-Dimethyl-4-[N-pyrazinyl methanol 40 See example 1 (2-dimethyl- aminoethyl)-N- methylaminomethyll 172 3-dimethylamino-methyl-cyclopropyl NA 30 See example 1 4,5-tetramethylene 173 3-dimethylamino-methyl-pyrazinyl NA 30 See example 1 4,5-tetramethylene 174 3,5-dimethyl-4- cyclopropyl ethanol 90 Maleate salt form dimethylamino-methyl from free base maleate of Example 100. (See footnote) 175 4- (3-chloro pyrazinyl toluene 88 See example 1 propionyl)-3, 5-dimethyl 176 4- (2-diethylamino-ethyl)- pyrazinyl ethanol 95 See example 1 3,5-dimethyl 177 3,5-dimethyl-4- 5-methyl-3-toluene/heptane 40 See example 1 (dimethylamino-methyl) isoxazolyl 178 3,5-Dimethyl-4- pyrazinyl methanol 40 See example 1 (4-hydroxypiperidinomethyl) 179 4-Aminomethyl-pyrazinyl methanol 76 See example 1 3,5-dimethyl maleate 180 4- (4-Benzylpiperidinomethyl)- pyrazinyl toluene 80 See example 1 3,5-dimethyl 181 3,5-Dimethyl-4- pyrazinyl NA 80 See example 1 (2-hydroxyethyl) 182 3,5-Dimethyl-4- [2- (1- pyrazinyl toluene 67 See example 1 pyrrolidinylethyl)] 183 3,5-Dimethyl-4-[2-(1-cyclopropyl toluene 20 See example 1 pyrrolidinylethyl)] 184 3,5-Dimethyl-4- cyclopropyl NA 23 See example 1 (2-hydroxyethyl) 185 3,5-Dimethyl-4- pyrazinyl NA 35 See example 1 (2-ethylaminoethyl) 186 4- (3-Diethyl aminopropyl)-3, 5- pyrazinyl ethanol 52 See example 1 dimethyl 187 3,5-Dimethyl-4- pyrazinyl ethanol 82 See example 1 (3-hydroxypropyl) 188 3,5-Dimethyl-4-dimethyl pyrazinyl ethanol/ethylether 51 See example 1 aminoacetyl hydrochloride 189 3,5-Dimethyl-4-dimethyl ethoxy ethanol/ethylether 44 See example 1 aminoacetyl 190 4- (2-diethylaminoethyl)- cyclopropyl heptane 54 See example 1 3,5-Dimethyl 191 3,5-Dimethyl-4- (2- pyrazinyl toluene 48 See example 1 dimethylaminoethyl) 192 3,5-Dimethyl-4- pyrazinyl methanol 58 See example 1 (4-hydroxybutyl) 193 4- (4-Diethylaminobutyl)- pyrazinyl toluene 60 See example 1 3,5-dimethyl 194 4- (2-Diethylamino-ethyl-N- pyrazinyl Ethanol 30 See example 194 oxide)- 3,5 dimethyl

195 3, 5-Dimethyl-4- (1- pyrazinyl NA 57 See example 1 rrolidinylacetyl 196 4-Diethylaminoacetyl-3, 5-dimethyl pyrazinyl NA 52 See example 1 197 3-Isopropyl-5-methyl pyrazinyl Ethanol 44 See example I 198 3, 5-Dimethyl-4- [3- (1- pyrazinyl Ethanol 30 See example 1 rrolidinylpropyl 199 4-Dimethyl aminomethyl-3-pyrazinyl Toluene 40 See example t isopropyl-5-methyl 2C0 4-Dimethyl aminomethyl-3-cyclopropyl Toluene 40 See example I isopropyl-5-methyl pyrazinylEthano40Seeexample12013,5-Dimethyl-4-(2-ethoxyoxaly l) 202 3, 5-Dimethyl-4-(2-ethylaminoethyl) cyclopropyl NA 60 See example I 2033, 5-Dimethyl-4- (2- pyrazinyl Toluene 40 See example I cyclopropylaminoethyl $204 3,5-Dimethyl-4-[2-(4-pyridyl- pyrazinyl NA 40 See example 1 methylamino)ethyl 205 3, 5-Dimethyl-4-(2-cyclopropyl(2-cyclopropyl Toluene 36 See example 1 cyclopropylaminoethyl) 206 3,5-Dimethyl-4-(2- 2-pyrimidinyl Toluene 35 See example 1 diethylaminoethyl) 207 3, 5-Dimethyl-4- (2- 3-pyridazinyl Toluene 40 See example 1 diethylaminoethyl) 208 3,5-Dimethyl-4-(2- 4-pyrimidinyl Toluene 50 See example 1 dieth laminoeth 1 209 3,5-Dimethyl-4-(2- 4-pyridazinyl Toluene 30 See example 1 diethylaminoethyl Table 1A : Physical data for compounds synthesized having structural formula V. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 1 220-222 68.10 68. 27 6.59 6.61 18. 32 18. 30 2 182-184 71.69 72.00 5.21 16.47 3 177-180 64.63 64.06 5.08 14.00 4 163-165 67.40 66.88 4.90 15.53 5 218-222 59.71 59.87 4.00 13.85 6 179-180 68.55 68.45 5.03 14.99 7 270-272 67.64 67.17 5.67 12.38 8 226-228 66.58 66.10 5.72 5.65 12.26 12.27 (0.3 H, 0) * 9 207-210 68.31 68.20 5.37 14.96 10 265-270 54.53 55.07 4.57 31.98 11 172-174 60.26 60.37 5.97 18.97 12 145-147 72.43 72.29 5.69 16.17 13 285-287 66. 65 66. 66 4. 79 4. 71 22. 20 22.12 14 254-255 72. 43 72. 36 5. 69 5. 53 15. 83 15.84 15 256-258 67. 65 67. 31 5. 29 5. 12 21. 03 20.96 16 288-290 63. 81 63. 90 4. 99 4. 53 19. 84 19.75 17 178-180 63. 05 63. 26 4. 23 4. 10 14. 70 14.59 18 245-247 57. 74 57. 69 3. 97 3. 81 19. 23 18.95 (0.25 H, O) t l 19 165-167 59. 71 59. 69 4. 00 4. 05 13. 92 13.80 20 300-305 69. 55 69. 67 4. 34. 61 20. 27 20.39 68.3168.275.375.3614.9314.9221169-171 22 164-165 65. 58 65. 58 5. 50 5. 63 13. 49 13.44 23 137-139 69. 13 69. 15 5. 80 5. 69 14. 22 14.30 24 192-194 72. 50 72. 56 5. 07 5. 36 12. 07 12.02 (0.25H2O) * 25 130-131 73. 09 73. 16 6. 13 6. 25 15. 04 14.83 26 169-170 73. 09 73. 46 6. 13 6. 32 15. 04 14.42 27 253-255 68. 31 68. 48 5. 37 5. 01 14. 93 14.74 28 186-187 73. 69 73. 89 6. 52 6. 49 14. 32 14.25 29 153-154 73. 09 73. 38 6. 13 5. 95 15. 04 14.85 30 176-177 63. 14 63, 20 6. 93 6. 77 16. 99 16.98 31 211-213 58. 53 58. 81 5. 40 5. 27 20. 48 20.52 32 224-226 61. 92 62. 02 4. 54 4. 75 18. 05 18.31 33 272-273 62. 21 62. 45 4. 10 4. 33 20. 73 20.81 34 193-194 4. 11 64. 27 4. 71 4. 85 14. 02 14.07 35 195-197 63. 14 63. 26 6. 93 6. 76 16. 99 17.04 36 188-190 65. 43 65. 59 7. 68 7. 00 15. 26 15.29 74.7374.407.217.1013.0713.1137168-170 38 138-140 61. 84 61. 87 7. 27 7. 17 14. 42 14. 31 63.6563.656.166.1917.1317.2439201-203 40 266-268 56. 71 57. 04 6. 22 6. 06 25. 43 25.69 41 215-217 61. 78 61. 77 6. 48 6. 40 18. 01 17. 96 66.3266.786.336.0118.1917.8542178-180 0.75H2O)* 61.7861.976.486.3618.0117.9143199-201 44 128-130 61. 78 61. 42 6. 48 6. 32 18. 01 17.78 71.4071.387.197.2816.6516.6245183-185 64.3564.697.336.9616.0816.0346197-199 47 297-299 69. 21 69. 08 6. 64 6. 68 15. 37 15.31 69.6469.706.646.5711.0711.1048177-179 49 226-228 60. 18 60. 06 6. 63 6. 46 13. 16 13.02 66.3066.206.366.2514.7314.6850186-188 51 119-121 6. 14 63. 14 6. 93 6. 95 1699 17.00 52 260-262 71. 19 71. 01 6. 87 6. 96 12. 45 12.36 53 124-126 58. 29 58. 49 5. 29 5. 04 16. 99 16.99 54 240-242 62. 95 62. 96 4. 97 5. 00 17. 27 17.11 55 229-231 62. 26 62. 20 6. 62 6. 37 14. 52 14. 36 56 158-160 65. 65 65. 78 5. 51 5. 50 20. 88 20.78 57 150-152 66. 95 67. 09 6. 08 5. 76 19. 52 19. 45 65.5365.574.234.2925.5123.6258222-224 59 188-190 58. 97 59. 06 3. 78 3. 92 12. 13 11.98 60 160-162 70. 01 70. 28 7. 44 7. 35 16. 33 16.22 68.0968.346.596.3918.3218.1861193-195 62 127-129 69. 82 69. 73 6. 75 6. 64 16. 96 17.20 (0.2 toluene * 63 132-133 66. 95 67. 11 6. 08 6. 03 19. 52 19.73 64 340-342 61. 20 61. 38 3. 42 3. 70 19. 03 19.19 65 220(d 67.65 67. 47 5. 29 5. 30 21. 04 20.94 66 206-210 70. 01 69. 65 7. 44 7. 46 16. 33 16.23 67 245-247 63. 70 63. 76 4. 45 4. 64 24. 76 24.64 66.9566.726.085.6319.5219.2968212-215 69 327-329 60. 55 60. 90 4. 12 4. 09 17. 65 17.42 0.5H2O)* 70 235-238 67. 65 67. 66 5. 29 5. 40 21. 04 20.98 71 270-272 69. 36 69. 41 6. 16 6. 21 19. 03 18.98 72 170-172 66. 95 67. 05 6. 08 6. 08 19. 52 19.42 73 210-212 66. 65 66. 73 4. 79 4. 82 22. 21 22.10 74 163-165 68. 10 68. 15 6. 59 6. 63 18. 32 18.27 63.7763.776.356.3513.9413.9075240-242 76 212-214 69. 14 69. 27 5. 80 5. 88 14. 23 14.20 77-80"C and'H NMR and analytical LC/MS data consistent with assigned stracture 81 134-136 65. 91 65. 60 7. 00 6. 99 15. 37 15.03 82 267-269 59. 01 59. 12 6. 27 6. 22 13. 76 13.66 83 >300 57. 72 57. 81 5. 88 5. 84 14. 42 14.25 65.9166.047.016.7815.3715.3484206-207 85 162-164 62. 41 62. 36 7. 56 7. 46 16. 17 15.94 63.1363.277.957.7318.4118.3486173-175 87 209-210 62. 27 61. 86 6. 62 6. 58 14. 52 14.25 88 165-167 59. 65 59 82 7. 23 7. 05 15. 46 15.34 59.8259.927.537.2619.3819.2189192-194 90 205-207 57. 72 57. 96 5. 88 5. 62 14. 42 14.43 91 235-237 51. 24 51. 78 5. 38 5. 49 14. 94 14.95 92 240-242 58. 45 58. 07 3. 98 3. 96 17. 04 16.64 93 208-210 73. 62 73. 60 5. 45 5. 62 15. 15 15.14 66.8766.707.367.1014.6214.5994163-165 61.5361.085.535.3815.3715.1195312(d) 96 247-249 63. 89 64. 05 5. 36 5. 48 16. 56 16.70 97 175-177 65. 82 65. 62 7. 36 7. 43 17. 06 16.75 98 245-250 62. 91 63. 30 4. 90 5. 10 26. 20 26.29 99 290 (d) 62.70 62. 66 5. 96 5. 83 14. 62 14.47 67.1067.217.747.4919.5619.53100176-178 61.5261.735.535.4615.3715.40101250-152 70.5670.626.716.6116.4616.52102227-230 103 134-136 58. 29 58. 71 5. 29 5. 44 16. 99 17.03 104 177-179 56. 64 56. 85 4. 75 4. 56 18. 01 17.56 65.0165.126.446.4420.6720.59105120-122 106 173-175 74. 42 74. 20 5. 60 5. 77 14. 46 14.77 107 176-178 69. 11 69. 21 7. 04 7. 08 17. 27 17.24 108 240-243 66. 64 66. 62 6. 71 6. 39 20. 72 20.80 109 184-186 63. 98 64. 21 6. 71 6. 69 18. 65 18.74 110 220(d 54.75 55. 17 4. 97 4. 90 15. 96 16.21 111 237-239 50. 12 50. 54 4. 21 3. 90 17. 53 17.59 112 242-244 42. 28 42. 45 3. 55 3. 39 14. 79 14.58 113 170-172 50. 12 49. 98 4. 21 421 17. 53 18.10 114 220 (d) 56.0656. 464. 274. 3717. 8317.54 115 210(d 47.16 47. 60 3. 59 3. 85 15. 00 14.57 116 253-255 65. 51 65. 83 5. 15 5. 25 23. 87 23.86 117 264-267 69. 84 69. 61 5. 51 5. 53 19. 16 19.13 118 225-228 56. 71 56. 59 4. 94 4. 79 22. 00 21.94 119 172-174 62. 77 62. 61 7. 02 6. 71 16. 26 16.06 120 223-225 58. 30 58. 79 5. 92 6. 10 21. 47 20.89 121 220-222 63. 50 63. 57 6. 26 6. 25 25. 39 25.55 122 206-210 55. 01 54. 51 5. 71 5. 64 18. 32 18.30 123 178-180 59. 56 60. 03 5. 95 5. 82 23. 15 22.87 124 228-230 67. 65 68. 00 5. 29 5. 46 21. 04 21.12 125 184-186 69. 36 69. 19 6. 16 6. 09 19. 03 19.33 126 214-216 69. 84 69. 94 5. 51 5. 41 19. 16 19. 33 127 235-237 65. 87 65. 88 5. 13 5. 24 16. 46 16. 51 128 274-277 62. 28 62. 26 6. 05 5. 90 22. 93 22.94 129 235-237 61. 96 62. 01 4. 82 4. 91 15. 48 15.44 130 192-194 61. 52 61. 73 5. 53 5. 53 15. 37 15.43 131 278-280 54. 23 54. 40 4. 83 4. 92 15. 81 15.68 132 217-219 63. 61 63. 84 7. 11 6. 90 21. 19 21.22 63.3363.554.374.4517.3817.44133295-297 134 285 (d) 62.15 62. 03 5. 54 6. 02 16. 47 16.91 135 264-267 65. 06 65. 10 5. 80 5. 71 23. 71 23.51 59.7459.304.464.4021.2421.20136155-157 137 230-232 54. 26 54. 58 3. 77 3. 34 24. 34 23.99 58.4458.816.366.2821.5221.84138242-244 51.4551.303.934.2621.1720.88139302-305 140 218-220 68. 75 69. 07 5. 48 5. 53 12. 02 11.96 141 235-237 64. 02 64. 11 6. 41 6. 54 23. 58 23.01 142 209-211 65. 36 65, 37 6. 45 6. 89 17. 93 16.53 143 208-210 61. 32 61, 43 6. 20 6. 18 16. 83 16.64 144 220-224 66. 85 67. 24 6. 54 6. 54 21. 65 21.11 145 216-217 67. 64 67. 71 5. 68 5. 80 12. 45 12.53 146 274-275 73. 70 73. 80 6. 53 6. 53 14. 32 14.39 55.0155.245.485.3212.0312.03147132-134 148 212-216 56. 31 56. 25 5. 45 5. 20 15. 15 15.02 149 180-182 65. 56 65. 10 6. 05 5. 96 15. 29 15.20 150 168-170 69. 64 69. 91 6. 64 6. 43 11. 07 11.10 56.3156.305.455.1515.1515.17151310-312 152 208-210 48. 00 48. 37 4. 03 4. 19 22. 39 22.65 48.0048.374.034.0422.3922.64153287-289 154 290-293 53. 01 52. 63 4. 45 4. 47 16. S6 16.59 155 158-160 58. 61 58. 82 6. 94 6. 48 16. 08 16.05 156 225-227 48. 72 49. 00 4. 36 4. 18 11. 36 11. 35 157 255-257 57. 72 57. 65 5. 88 5. 97 14. 42 14. 32 59.0159.066.276.3013.7613.68158232-234 159 178-180 64. 85 64. 61 6. 61 6. 95 16. 20 15.99 160 252-254 51. 07 51. 17 4. 29 4. 34 12. 76 12.60 161 255-257 58. 53 58. 63 4. 91 5. 08 17. 06 16.96 162 214-216 64. 76 64. 91 5. 72 5. 74 15. 90 15.74 56.5056.226.416.3719.3818.96163197-199 164 255-257 65. 11 65. 37 4. 42 4. 49 18. 08 18.11 165 295-297 63. 31 63. 62 6. 64 6. 66 25. 84 25.96 166 242-244 64. 75 64. 66 6. 86 6. 73 23. 85 23.74 167 240-242 65. 91 65. 61 6. 64 6. 74 23. 06 22.69 168 215-217 63. 79 63. 57 6. 44 6. 56 19. 38 19.82 56.4556.966.516.4520.5720.29169161-163 170 193-195 61.92 62.18 5.85 5.74 27. 08 26.80 171 205-207 62.96 62.48 7.13 6.73 25.70 25.40 172 182-185 69.20 69.21 7.74 7.82 17.93 17.41 173 210-212 65.12 64.66 6.33 6.02 23.98 23.50 174 199-201 59.68 59. 31 6.51 6.37 13.92 14.42 175 213 (d) 57.92 58.32 4.61 4.82 19.08 19.26 176 210-212 65.55 65.24 7.15 7.18 22.93 22.94 177 242-244 62.37 61.87 6.47 6.55 21.39 21.06 178 255-57 61.68 61.48 6.47 6.45 21.58 21.68 0.5H2O)* 179 205-8 54.15 54.27 5.02 4.97 19.94 19.63 0.5H2O 180 211-14 70.64 70.56 6.69 7.06 18.30 17.93 (0.25) 181 306-8 61.72 61.64 5.50 5.45 22.49 22.41 182 190-92 65.36 64.97 6.67 6.55 22.86 23.20 (0.17 H, O) 183 197-200 69.90 69.87 8.02 8.12 17.16 16.86 184 244-46 65.91 65.52 7.00 6.98 15.37 15.05 185 192-94 HRMN and EM data consistent with assigne structure 186 208. 10 58.05 58.21 7.88 7.39 19.73 19.47 (3. HOC 187 273-75 62.75 63.01 5.88 5.76 21.52 21.33 188 >300 (d) 50.83 51.14 5.88 5.70 19.76 20.10 (CIH. 2 H2O 189 198 60.36 59.86 6.97 6.90 17.60 17.36 190 133 69.48 69.19 8.59 8.47 17.06 16.74 191 216 60. 60 60.43 6.73 6.32 23.56 23.14 192 222 63.70 63.85 6.24 6.23 20.63 20.53 193 184 66.98 66.70 7.66 7.40 21.30 20.85 194 192 62.75 62.46 6.79 6.73 21.96 21.64 195 220 61.94 61.66 5.93 5.72 21.68 21.54 0.5H2O 196 199 61.62 61.78 6.41 6.13 21.56 22.06 (0.5HIO) 197 244 65.07 65.02 5.80 5.79 23.71 23.99 198 202-04 66.64 66.24 6.92 6.99 22.2D 22.00 199 227 64.75 64.90 6.86 6.99 23.85 23.88 200 190-92 68.75 68.86 8.33 8.46 17.82 17.51 201 223 58.85 58.96 4.66 4.73 19.06 19.03 202 150 66.37 66.46 8.12 7.90 18.21 17.80 (0.4H, O) 203 210-218 63.81 63.95 6.42 6.45 23.50 23.12 204 203-205 65.23 65.05 5.82 5.84 24.20 23.77 0.2H2O 205 158-160 67.64 67.93 7.81 7.74 17.53 17.40 (0.4 H, O) 206 144-146 64. 91 64. 87 7. 19 7. 30 22. 71 22. 53 (0.2 H, O 207 218-220 64.91 64.79 7.19 7.00 22. 71 22.78 (0.2H O 208 220 65.55 65.45 7. 15 7. 13 22. 93 22. 53

65.5565.497.157.3822.9322.31209212-216 * The molecular weight calculated for the elemental analysis includes the solvent in the amount indicated.

Footnote: Maleate salts were formed by the addition of an ethanolic solution of maleic acid to the free base in ethanol at room temperature, followed by cooling, and filtration of the crystalline product.

II. 4- [ (Indol-3-yl) methylene]-2-pyrazolin-S-ones (VI).

Example 210: 3-Benzyl-4-[(indol-3-yl) methylene]-2-pyrazolin-5-one.

A reaction mixture of 3-benzyl-2-pyrazoline-S-one (905 mg, 5.2 mmol), 3- indole carboxaldehyde (800 mg, 5.6 mmol) and piperidine (100 mg) in ethanol (50 mL) was stirred at 90°C for 3 h. After cooling overnight, the product was collected by filtration, then purified by recrystallization from ethanol.

Table 2: Other compounds synthesized having structural formula VI. Example Substituent R'Recrystallization Solvent % Method on Indole Yield 210 none benzyl ethanol 76 see Example 210 211 1- (4- benzy] methanol 51 see Example 210 hydroxy- butyl) 212 none 4-methoxy-isopropanol 67 see Example 210 phenyloxymethyl 213 none phenyloxymethyl isopropanol 94 see Example 210 214 none 4-chloro-ethanol 65 see Example 210 phenyloxymethyl 215 none 4-methoxybenzyl ethanol 90 see Example 210 216 none 4-methyl-ethanol 93 see Example 210 phenyloxymethyl. 217 none phenylethyl ethanol 84 see Example 210 218 none isopropoxy methanol 81 see Example 210 219 none 4-methylbenzyl ethanol 95 see Example 210 220 none phenylamino isopropanol 52 see Example 210 221 none 4-methylphenyl-methanol 60 see Example 210 amino 222 none 4-ethanol 96 see Example 210 methoxyphenyl- amino 223 none 4-chlorobenzyl ethanol 77 see Example 210 224 1- (4- 4-methoxybenzyl DMF: water 89 see Example 210 hydroxy butyl) 225 none 4-chlorophenyl-DMF: water 86 see Example 210 amino 226 none 3-methoxybenzyl DMF: water 99 see Example 210 227 none water 88 see Example 210 benzyl 228 none 4-hydroxybenzyl DMF: water 56 see Example 210 229 none 3-chloro-isopropanol 89 see Example 210 phenyloxymethyl 230 none indol-3-YI methanol 58 see Example 210 231 none 4-methoxy-isopropanol 88 see Example 210 phenylethyl 232 none 4-phenyl-NA 91 see Example 210 phenyloxymethyl 233 none 2-phenylpropyl methanol 60 see Example 210 234 none 3-phenylpropyl ethanol 76 see Example 210 235 none 4-hydroxy-methanol 51 see Example 210 phenylethyl 236 none 4-methyl-ethanol 86 see Example 210 phenylethyl 237 none ethoxy ethanol 90 see Example 210 238 1- (4- isopropoxy toluene: heptane 43 see Example 210 hydroxy- butyl) 239 1- (4- phenylethyl methanol 80 see Example 210 hydroxy- butyl) 240 none 4-nitro-isopropanol 83 see Example 210 phenylethyl 241 none propoxy DMF: water 43 see Example 210 242 none 4-fluoro-ethyl acetate 65 see Example 210 phenylamino 243 none 4-amino-methanol: water 74 see Example 210 phenylethyl 244 2-methyl isopropoxy methanol 40 see Example 210 245 7-methyl isopropoxy ethanol 98 see Example 210 246 7-methyl phenylethyl DMF: water 97 see Example 210 247 none 56seeExample210ethanol 248 1-methyl isopropoxy ethanol 81 see Example 210 249 none 4-methoxy-ethanol 77 see Example 210 carbonyl- phenylethyl 250 1-isopropyl isopropoxy toluene: heptane 71 see Example 210 251 1-methyl 4-hydroxy-ethanol 50 see Example 210 phenylethyl 252 none isopropyl ethanol 76 see Example 210 253 none 4-chlorophenyl DMF: water 40 see Example 210 aminocarbonyl methyl 254 none ethoxycarbonyl-methanol 40 see Example 210 methyl 255 none 4-methoxy-DMF: water 40 see Example 210 phenylamino- carbonylmethyl 256 none cyclopropyl DMF: water 50 see Example 210 257 none 3-pyridyl ethanol 50 see Example 210 258 none 2-amino-methanol 55 see Example 210 carbonylethyl 259 none cyclobutyl ethanol 79 see Example 210 260 none 2-ethanol 97 see Example 210 (dimethylamino carbonyl) ethyl 261 1- (4- cyclopropyl ethanol 80 see Example 210 hydroxy butyl) 262 none 4-pyridyl ethanol 91 see Example 210 263 none cyclopentyl ethanol 75 see Example 210 264 none 2,2,3,3- ethanol 32 see Example 210 tetramethyl- cyclopropyl 265 none 2-methyl-ethanol 34 see Example 210 cyclopropyl 266 1- (4- cyclohexyl toluene 41 see Example 210 hydroxy- butyl) 267 1- (4- 4-pyridyl ethanol 50 see Example 210 hydroxy- butyl) 268 none benzothiazol-2-yl ethanol 50 see Example 210 269 none 2-pyridyl 67 see Example 210 270 none dimethylamino ethanol 77 see Example 210 271 none pyrrol-2-yl ethanol 83 see Example 210 272 none 6-methoxybenzo ethanol 60 see Example 210 thiazol-2-yl 273 1-methyl cyclopropyl ethanol 76 see Example 210 274 7-methyl cyclopropyl ethanol 60 see Example 210 275 1-methyl 3-pyridyl ethanol 64 see Example 210 276 none propyl NA 63 see Example 210 277 none methyl NA 68 see Example 210 278 none trifluoromethyl NA 14 see Example 210 279 1- (4- hydrogen NA 62 see Example 210 hydroxy- butyl) 280 1- (4- methyl NA 36 see Example 210 hydroxy- butyl) 281 1- (4- trifluoromethyl NA 7 see Example 210 hydroxy- butyl) 282 1- (4- Tert-butyl NA 50 see Example 210 hydroxy- butyl) 283 none ethoxycarbonyl ethanol 74 see Example 210 284 none 2-methoxy ethanol 79 see Example 210 carbonylethyl 285 none trans-2-phenyl-1-ethanol 92 see Example 210 cyclopropyl 286 1- (4- cyclobutyl ethanol 26 see Example 210 hydroxy butyl 287 6-carboxy-1-cyclopropyl ethanol 26 see Example 210 methyl 288 5-methoxy-cyclopropyl ethanol 75 see Example 210 1-methyl 289 1-methyl pyrazinyl ethanol 82 see Example 210 290 1,7-dimethyl cyclopropyl ethanol 97 see Example 210 291 1-methyl tetrahydrofuran-ethanol 78 see Example 210 3-yl 292 1-methyl cyclopropyl ethanol 54 see Example 210 amino 293 6-carboxy-1-isopropoxy DMF: water 45 see Example 210 methyl 294 1,7-dimethyl isopropoxy methanol 53 see Example 210 295 5-methoxy-isopropoxy ethanol 72 see Example 210 1-methyl 296 1-methyl 4-fluorophenyl methanol 80 see Example 210 amino 297 1-methyl trifluoro methanol 70 see Example 210 acetamido 298 1-methyl 4-aminophenyl toluene 64 see Example 210 ethyl 299 1-methyl amino ethanol 80 see Example 210 300 none 4-chlorophenyl ethanol 85 see Example 210 ethyl 301 1-methyl ethoxy ethanol 80 see Example 210 302 1-methyl 5-isoxazolyl DMF : water 83 see Example 210 303 1-methyl tertbutyl ethanol 92 see Example 210 304 6-carboxy-pyrazinyl DMF 98 see Example 210 1-methyl 305 1-methyl-6-pyrazinyl NA 20 see Example 210 [2- (4- morpholino) ethyl] amino carbonyl Table 2A: Physical data for compounds synthesized having structural formula VI. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 210 292-295 75.73 75.74 5.02 5.28 13.94 13.85 211 217-220 73.97 73.93 6.20 6.14 11.25 11.18 212 266-268 69.35 69.23 4.65 5.05 12.13 12.03 213 284-286 71.91 71.86 4.76 4.78 13.24 13.34 214 264-267 64.87 64.78 4.01 4.12 11.94 11.93 215 265-270 72.49 72.64 5.17 5.21 12.68 12. 72 216 288-291 72.49 72.52 5.17 5. 36 12.68 12.74 217 268-270 76.17 76.12 5.43 5.55 13.32 13.59 218 263-265 66.90 66.75 5.61 5.46 15.60 15.48 219 280-282 76.17 76. 34 5.43 5.23 13.32 13.30 220 265-267 71.50 71.48 4.66 4.62 18.53 18.35 221 255-257 69.11 69.30 5. 30 5.07 16.98 16.99 (0.75 H, O) * 222 265-267 68.66 68.65 4.85 4.98 16.85 16.67 223 274-277 67.96 67.77 4.20 4. 39 12.51 12.33 224 204-206 71.44 71. 39 6.24 6.14 10.41 10. 32 225 248-250 64.19 64.01 3.89 4.15 16.63 16.59 226 288-290 72.49 72.46 5.17 5.16 12.68 12.81 227 282-284 69.79 69.68 5.29 5.29 11.62 11.75 228 295-300 71.91 71.20 4.76 4.76 13.24 13.44 229 265-268 64.87 64.91 4.01 4.16 11.94 11.92 230 288-292 71.91 71.45 4.71 4.69 16.36 13.36 (0.5 CH30H) * 231 266-268 73.02 72.78 5.54 5.70 12. 16 12.09 232 295-296 73.78 73.58 5.07 5.21 10.32 10.20 (0.75 H, O) * 233 253-255 76.57 76.06 5.81 6.09 12.75 12.60 234 218-220 76.57 76.52 5.81 5.93 12.75 12.62 235 271-275 69.40 69.40 5.82 5.72 11.56 11. 38 (1.0 CH30H) * 236 244-245 76.57 76.73 5.81 5.72 12.75 12.64 237 248-250 65.87 65.94 5.13 5.01 16.46 16.45 238 210-212 66.84 66.76 6.79 6.83 12.30 12.21 239 205-207 74. 39 74. 32 6.50 6.58 10.84 10.92 240 295-297 66.65 66.65 4.47 4.85 15.54 15.75 241 246-247 66.90 66.95 5.61 5.56 15.60 15.61 242 251-252 65.28 64.88 4.92 4.91 14.50 14.53 (0.75 Ethyl Acetate)* 243 244-246 72.70 16.71 244 262-264 66.99 66.78 6.22 6.09 14.42 14.46 (0.25 CH OH * 245 254-256 67.82 67.78 6.04 5.76 14.83 14.82 246 302-304 76.57 75.96 5.81 5.59 12.75 12.84 247 277-279 69.68.68.5.80 5.79 14.22 14.36 248 239-240 67.82 67.75 6.04 6.10 14.83 14.77 249 259-260 70.76 70.62 5.13 5.43 11.25 11.24 250 161-163 69.43 69. 40 6. 75 6.80 13.49 13.48 251 255-257 73.04 72.89 5.50 5.72 12.17 12.11 252 264-266 71.12 71.17 5.96 5.87 16.58 16.65 253 305-307 63.41 63.17 3.99 4.07 14.79 14.57 254 235-237 64. 63 64. 81 5. 08 5. 04 14. 13 14.22 255 > 300 65. 78 65. 64 4. 99 4. 81 14. 61 14. 6 (0.5 H, 0) * 71.6971.395.215.2216.7216.75256300-305 257 305-307 70. 82 70. 71 4. 36 4. 36 19. 43 19.50 258 280-281 61. 58 61. 86 5. 29 5. 44 18. 36 18.12 72.4372.305.695.7115.8415.85259>300 260 258-260 65. 79 65. 66 5. 84 5. 50 18. 05 17.82 261 215-216 70. 56 70. 29 6. 54 6. 45 12. 99 12.99 262 > 300 70. 82 70. 76 4. 19 4. 78 19. 43 19.29 263 300-304 73. 09 72. 79 6. 13 6. 06 15. 04 14.98 264 296-298 73. 16 73. 43 6. 86 6. 89 13. 47 13.36 (0.25 H, O) * 265 294-296 72. 43 72. 57 5. 69 5. 73 15. 84 15.85 266 226-227 72. 29 72. 10 7. 44 7. 56 11. 49 11.54 267 224-225 68. 27 68. 65 5. 73 5. 91 15. 16 15.25 268 > 300 66. 26 65. 96 3. 51 3. 64 16. 27 16.25 70.8271.074.194.3519.4319.53.269278-280 270 258-260 66. 12 66. 26 5. 54 5. 50 22. 03 21.87 271 300-302 69. 55 68. 91 4. 37 4. 54 20. 28 20.23 64.1664.203.773.9414.9614.69272>300 72.4372.345.695.7215.8315.7823245-247 72.7372.145.695.9115.8315.60274286-288 275 230-232 69. 44 69. 89 4. 85 4. 84 17. 99 18.10 (0.SHO* 276-282 13C and'H NMR and anal tical LC/MS data consistent with assigned structure 283 250 (d) 63.59 63. 42 4. 62 5. 00 14. 83 14.83 284 267-269 64. 63 64. 58 5. 08 5. 29 14. 13 14.14 285 280-282 75. 99 76. 11 5. 31 5. 32 12. 66 12.65 286 220-222 71. 19 71. 16 6. 87 6. 85 12. 45 12.46 287 237-240 (d) 66.00 66. 00 4. 88 4. 85 13. 58 13.43 288 236-238 67. 09 67. 48 5. 96 6. 00 13. 80 13.76 289 263-265 67. 31 67. 58 4. 32 4. 48 23. 09 23.31 290 258-260 72. 15 72. 33 6. 22 6. 06 14. 85 15.11 291 208-210 69. 13 69. 18 5. 80 5. 85 14. 23 14.25 292 160-164(d)(d) 68.55 68. 25 5. 75 5. 86 19. 98 19.71 62.3862.375.235.3112.8412.87293330-332 294 245-247 68. 67 68. 86 6. 44 6. 21 14. 13 14.14 295 238-239 65. 16 65. 31 6. 11 6. 10 13. 41 13.46 296 218-219 67. 09 66. 65 4. 82 4. 99 16. 12 16.10 297 252-253 53. 58 53. 80 3. 30 3. 51 16. 66 16. 67 298 192-193 74. 29 74. 26 5. 98 5. 85 15. 27 1. 38 299 246-247 63. 73 63. 51 5. 10 5. 32 22. 88 22.54

300 271-272 68. 67 68. 59 4. 61 5. 04 12. 01 11.81 301 194-196 66. 90 66. 94 5. 61 5. 72 15. 60 15.62 65.7566.024.144.3419.1719.00302271-272 303 201-203 70. 28 70. 02 7. 44 7. 41 13. 29 13.17 304>30060. 4760. 964. 544. 3320. 0219. 85 305 240-241 61. 52 61. 67 5. 59 5. 67 20. 92 20.91 * The molecular weight calculated for the elemental analysis includes the solvent in the amount indicated.

Footnote: Maleate salts were formed by the addition of an ethanolic solution of maleic acid to the free base in ethanol at room temperature, followed by cooling, and filtration of the crystalline product.

III. 4- [(Indol-2-yl) methylene]-2-pyrazolin-5-one (VII).

Table 3: Compounds synthesized having structural formula VII. Example Substituent on R'Recrystallization % Yield Method Indole Solvent 306 none isopropoxy ethanol 81 see Example 210 307 none 4-hydroxy-ethanol 45 see Example phenylethyl 210 308 none 4-amino-NA 20 see Example phenylethyl 210 309 none 4-methoxy-toluene 75 see Example carbonyl-210 phenylethyl 310 none 4-carbamoyl-DMF: water 90 see Example phenylethyl 210 311 none cyclopropyl ethanol 35 see Example 210 312 3-cyclopropyl NA 20 see Example dimethylamino 210 methyl 313 none 3-pyridyl ethanol 62 see Example 210 314 5-methoxy isopropoxy methanol 78 see Example 210 315 1-methyl isopropoxy DMF: water 89 see Example 210 316 none tetrahydrofura ethylacetate 30 see Example n-3-yl 210 317 5-methoxy cyclopropyl ethanol 33 see Example 210 318 5-nitro cyclopropyl DMF 84 see Example 210 319 none isopropyl methanol 80 see Example amino 210 320 none 4-DMF: water 65 see Example carboxyphenyl 210 ethyl 321 none phenyl ethanol 55 see Example 210 322 3-methyl isopropoxy methanol 76 see Example 210 323 3- (2-methoxy isopropoxy toluene: heptane 40 see Example carbonyl-2-210 acetamido ethyl) 324 none ethoxy ethanol 55 see Example 210 325 3- (4- ethoxy ethanol 65 see Example morpholino 210 methyl) 326 3- (4- cyclopropyl ethylacetate 46 see Example morpholino 210 methyl) 327 5-methoxy pyrazinyl NA 91 see Example 210 328 5-methoxy 2-pyridyl NA 90 see Example 210 329 4-chloro-6,7-ethoxy ethanol 54 see Example dihydro 210 330 4-chloro-6,7-pyrazinyl toluene 83 see Example dihydro 210 331 4-oxo-1,5,6,7-pyrazinyl toluene 40 see Example tetrahydro 210 332 3-dimethyl ethoxy toluene-heptane 41 see Example aminomethyl 210 Table 3A: Physical data for compounds synthesized having structural formula VII. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 306 221-223 66.90 67.11 5.61 5.53 15.60 15.68 307 242-245 72.49 72.34 5.17 5.15 12.68 12. 36 308 187-189 72.71 72.99 5.49 5.48 16.96 16.35 309 210-212 70.76 70.99 5.13 5.00 11.25 11.11 310 263-265 69.44 69.51 5.09 5.05 15.43 15.21 (0.25 H, O) * 311 238-240 68.04 67.68 5.55 5.11 15.87 15.75 (0.75 H O * 312 202 (d) 69.10 69.13 6.60 6.46 17.91 17.56 (0.25 H, O) * 313 155-157 68.67 68.68 4.40 4.48 18.84 18.56 (0.5 H, O) * 314 219-220 64.20 64.48 5.72 5.76 14.04 14.08 315 254-255 67.83 67.89 6.05 6.09 14.83 14.83 316 180-183 68. 31 68.49 5.37 5.57 14.94 14.80 317 221-224 68.31 68.34 5.37 5.35 14.94 14.82 318 316-320 60.60.60.4.08 4.35 18.18.19.19. 319 245-247 67.14 67.08 6.01 6.03 20.88 20.94 320 >300 70.18 69.87 4.77 4.87 11.69 11.76 321 210-211 75.25 75.17 4.56 4.75 14.62 14.62 322 241-243 67.83 67.97 6.05 6.05 14.83 14.89 323 205-206 61.16 61.51 5.87 5.93 13.58 13.27 324 265-267 65.87 65.91 5.13 5.27 16.46 16.52 325 205-206 64. 39 64.64 6.26 6.35 15.81 15.82 326 203-180 68.55 68.53 6.32 6.31 15.99 15.80 327 272-274 63.94 64.29 4.10 4.00 21.93 22.10 328 170-172 67.91 68.06 4.43 4.43 17.60 17.74 329 177-203 57.64 57.87 4.84 4.79 14.40 14.35

330 206-209 62.27 62.20 4.22 4.47 19. 31 19.27 (0.4 toluene) * 331331300-303 63.36 63.49 4.36 4.41 22.12 21.96 (0.1 toluene)* 332 185-187 65. 37 65.13 6.45 6.35 17.94 17.70 The molecular weight calculated for the elemental analysis includes the solvent in the amount indicated.

IV. 4- [(7-Azaindol-3-yl)methylene]-2-pyrazolin-5-ones (VIII).

Table 4: Compounds synthesized having structural formula VIII. Example Substituent R'Recrystallization Solvent % Method on Yield azaindole 333 none benzyl DMF: water 71 see Example 210 334 1- (4- benzyl ethyl acetate 30 see Example 210 hydroxy- butyl) 335 none 4-methoxy-DMF: water 80 see Example 210 phenyloxymethyl 336 none isopropoxy methanol 61 see Example 210 337 none amino DMF: water 92 see Example 210 338 none 4-methoxybenzyl DMF: water 96 see Exarnple 210 339 none phenylamino DMF : water 77 see Example 210 340 none 4-methylbenzyl ethanol 95 see Exarnple 210 341 none 4-hydroxy-ethanol 84 see Example 210 phenylethyl 342 1- (4- 4-hydroxy-methanol 80 see Exarnple 210 hydroxy-phenylethyl butyl) 343 none isopropyl ethanol 30 see Example 210 344 none cyclopropyl ethanol 50 345 none cyclobutyl ethanol 74 see Example 210 346 none 3-pyridyl ethanol 40 see Exarnple 210 347 none phenyl NA 56 see Example 210

348 none 4-fluoro-NA 14 see Example 210 phenylamino 349 none propyl NA 24 see Example 210 350 none methyl NA 77 see Example 210 351 none trifluoromethyl NA 17 see Example 210 352 none tert-butyl NA 80 see Example 210 353 1- (4- trifluoromethyl NA 6 see Example 210 hydroxy- butyl) 354 none 4-isopropyl-NA 30 see Example 210 phenylamino 355 none 3-methyl NA 70 see Example 210 phenylamino 356 1- (4- 3-methyl-NA 30 see Example 210 hydroxy-phenylamino butyl) 357 none phenylethyl DMF: water 63 see Example 210 Table 4A: Physical data for compounds synthesized having structural formula VIII. Example Mp. (°C) Elemental Anaiysis NitrogenCarbonHydrogen Calculated Found Calculated Found Calculated Found 333 274-277 71.50 71.63 4.66 4.88 18.53 18.17 334 176-179 70.56 70. 67 5.92 5.87 14.96 14.78 335 300-302 65.69 65.62 4. 35 4.85 16.12 15.77 336 258-260 62.21 61.57 5. 22 5.12 20.72 20.57 337 > 300 53.82 53.92 4.48 4.34 28.54 28.22 (1H, 0) * 338 273-276 68.66 68.05 4.85 4.89 16.85 16.67 339 249-252 63.54 63.45 4.70 4.75 21.79 21.68 1H0* 340 > 300 70.07 70.54 5.22 5.07 17.21 17.24 (0.5H2O) * 341 270-272 68.66 68.25 4.85 5.04 16.86 16.71 342 211-212 68. 30 67.97 5.98 6.11 13.85 13.80 343 300 (d) 66.12 65.91 5.54 5.57 22.03 21.89 344 245-246 65.48 65.20 4.90 4.76 21.82 21.47 (0.25 H, O) * 345 300-302 66.52 66.51 5. 39 5.22 20.69 20.88 346 212-215 66.50 65.84 3.83 4.07 24.20 23.93 347 280-282 70.80 70.50 4.20 4.10 19.40 19.10 and1HNMR348-35613C and analyticalLC/MS data consistent with structure 72.13357317-319 5.045.09 17.70 17.65 * The molecular weight calculated for the elemental analysis includes the solvent in the amount indicated.

Footnote: Maleate salts were formed by the addition of an ethanolic solution of maleic acid to the free base in ethanol at room temperature, followed by cooling, and filtration of the crystalline product.

V. 4- (Phenylmethylene)-2-pyrazolin-5-ones (IX).

Table 5: Compounds synthesized having structural formula IX. Example Substituent R'Recrystallization Solvent % Method on Rin A Yield 358 4-dimethyl-benzyl ethanol 32 see Example 210 amino 359 4-dimethyl-isopropoxy toluene: heptane 51 see Example 210 amino 360 4-dimethyl-phenylethyl NA 45 see Example 210 amino 361 4-dimethyl-cyclopropyl ethanol 77 see Example 210 amino Table SA: Physical data for compounds synthesized having structural formula IX. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 358 253-255 74.73 6.13 13. 75 13. 34 359 197-198 65.91 66. 33 7.01 6.86 15.37 15.27 360 224-225 75.20 75.08 6.62 6.56 13.15 13.19 361 280-289 70.56 70.33 6.71 6.80 16.46 16.20 VI. 4- [ (Pyrazol-4-yl) methylene]-2-pyrazolin-5-ones (X).

Table 6: Compounds synthesized having structural formula X. Example Substituent Recrystallizaton Solvent Method on Ring A Yield 362 3-methyl isopropoxy ethyl acetate 80 see Example 210 cyclopropyltoluene51seeExample2103633-methyl Table 6A: Physical data for compounds synthesized having structural formula X. Example Mp. (°C) Elemental Analysis Carbon HydroBen Nitrogen Calculated Found Calculated Found Calculated Found 362 228-230 56. 39 5.91 23. 91 23. 77 363 265-267 61.09 61.30 5.59 5.83 25.91 25.71 VII. 4-[(Imidazol-2-yl) methylene]-2-pyrazolin-5-ones (XI).

Table 7: Compounds synthesized having structural formula XI. Example Substituent R'Recrystallization Solvent % Method on Rin A Yield isopropoxytoluene45seeExample210364none 365 none cyclopropyl ethanol 42 see Example 210 Table 7A: Physical data for compounds synthesized having structural formula XI. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 364 212-214 54.53 54. 96 5.49 4.61 25. 43 25.67 365 264-266 59.39 59.52 4.98 5.00 27.71 27.37

VIII. 4-[(Imidazol-4-yl) methylene]-2-pyrazolin-5-ones (XII) IX.

Table 8: Compound synthesized having structural formula XII. Example Substituent R'Recrystallization Solvent % Method on Ring A Yield 366 none isopropoxy ethanol 81 see Example 210 Table 8A: Physical data for compounds synthesized having structural formula XII. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 366 259-260 54.53 54.84 5.49 1 5. 68 25. 43 1 25.37 IX. 4-[(Thien-2-yl) methylene]-2-pyrazolin-5-ones (XIII).

Table 9: Compound synthesized having structural formula XIII. ExampleSubstituentR'Recrystallization Solvent%Method on Rin A Yield cyclopropylethanol20seeExample210367none

Table 9A: Physical data for compounds synthesized having structural formula XIII. Example Mp. (°C) Elemental Analysis CarbonHydrogenNitrogen Calculated Found Calculated Found Calculated Found 367 275-277 60.53 60.68 4.61 4.74 12.83 12.50 X. 4-[(Indol-3-yl) methylene]-1-methyl-2-pyrazolin-5-ones (XIV).

Table 10: Compound synthesized having structural formula XIV. Example Substituent R'Recrystallization Solvent % Method on indole Yield 368 none isopropyl ethanol 54 see Example 210 Table 1 OA: Physical data for compounds synthesized having structural formula XIV. Example Mp. (°C) Elemental Analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 368 241-242 71.88 71.73 6.41 6.47 15. 72 15.71

XI. 4- [ (Pyrrol-3-yl) methylene]-2-pyrazoline-5-ones (XV) Table 11: Compound svnethesized having structural formula XV. Example Substituent R'Recrystallization Solvent % Method onpyrrole Yield 369 none isopropoxy methanol 70 see Example 210 Table 11A: Physical data for compounds synthesized having structural formula XV. Example Mp., °C Elemental analysis NitrogenCarbonHydrogen Calculated Found Calculated Found Calculated Found 369 252-255 60.26 60.35 5.98 5.82 19.17 19.13 XII. 4-[(Quinolin-5-yl) methylene]-2-pyrazoline-5-ones (XVI)

Table 12. Compound synthesized having structural formula XVI. Example Subst. on R'Recrystallization Solvent % Method quinoline Yield 370 8-hydroxy isopropoxy methanol 40 see Example 210 Table 12A: Physical data for compounds synthesized having structural formula XVI. Example Mp., °C Elementa] analysis Carbon Hydrogen Nitrogen Calculated Found Calculated Found Calculated Found 370 >300 64.64 64.43 5.09 5.01 14.13 13.98 X. Synthesis of Starting Materials.

A. Synthesis of 3-ketoesters (XIX).

The general method used to synthesize 3-ketoesters is shown in Scheme II. CH 3 O O O Cl 3 + CI R O o XVII. XVIII. 1. base 2.3% HCI « r 3. anhydrous ethanol and heat 0 O H3CHZC XIX. XIX.

Scheme II: Synthesis of 3-ketoesters

Example 371: Ethyl 3- (2,2,3,3-tetramethylcyclopropyl)-3-oxopropionate.

Pyridine (5 g, 0.063 mol) and 2,2,3,3-tetramethylcyclopropyl carbonyl chloride (5 g, 0.031 mol) were added to an ice-cold solution of 2, 2-dimethyl-1,3- dioxane-4,7-dione (4.7 g, 0.032 mol) in anhydrous dichloromethane (37 mL) under a nitrogen atmosphere. The temperature was maintained at 0°C for 1 h, then was allowed to raise to room temperature overnight. The mixture was then transferred to a separatory funnel, washed twice with 3% hydrochloric acid and twice with water.

The organic layer was dried over magnesium sulfate, then filtered and concentrated under reduced pressure to give 5 g of a dark red oil. The oil was refluxed for 3 h in anhydrous ethanol (60 mL). The solvent was evaporated and the product was purified by distillation.

Example 377: Ethyl 3- (6-methoxybenzothiazol-2-yl)-3-oxopropionate.

Ethyl acetate (7.2 g, 0.082 mol) was added to sodium hydride (1.5 g of a 50 % dispersion in oil, 0.032 mol), keeping the temperature below 25°C. 2- Ethoxycarbony-2- (6-methoxy) benzothiazole (5.25 g, 0.022 mol) was added. The mixture was warmed to reflux gently and then stirred at room temperature overnight.

The reaction was quenched with ice water (50 mL) and the pH was adjusted to 7.7 with concentrated hydrochloric acid. The product precipitated out and was collected by filtration, washed with water, then dried.

Example 378: Ethyl 4- (4-phenylphenyloxy)-3-oxobutanoate.

Sodium hydride (5.0 g, 0.114 mole) and 4-phenylphenol (15.3 g, 0.09 mol) were stirred at 0°C in 75 mL of dimethyl formamide (hereinafter"DMF") for 2 h.

Ethyl 4-chloroacetoacetate (5.0 g, 0.03 mol) in DMF (75 mL) was added. The mixture was stirred for 1 h at 0°C and for 12 h at room temperature, then neutralized with 50 % phosphoric acid and extracted with dichloromethane. The product was purified by silica gel chromatography using (8: 2) toluene: ethanol as the mobile phase.

Table 13: Compounds synthesized having structural formula XIX. Example R'% Yield b. p. m. p. Method (°C) (°C) 371 2,2,3,3-tetramethyl- 67 68 (0.2 NA see Example 371cyclopropylmmHg 372 2-methylcyclopropyl 50 62-4 (0.2 NA see Example mmHg371 373 trans-2-phenyl-64 138-40 NA see Example cyclopropyl (0.2 371 mmHg 374 tetrahydrofuran-3-yl 60 82-6 (0.2 NA see Example mmHg 371 375 3-methoxy-62 132 (0.2 NA see Example phenylmethyl mmHg) 371 376 phenylethyl 55 110 (0.2 NA see Example mmHg371 377 NA16065 see Example benxothiazol-2-yl 377 378 4-phenylphenoxy-33 NA 83 see Example methyl 378 379 3-chloro-32 147 (8 NA see Example phenoxymethyl mmHg) 378 380 pyrazinyl 71 NA 82 see Example 377 B. Synthesis of Ethyl Cyclopentyloxythiocarbonylacetate.

Scheme III: Synthesis of ethyl alkyloxy or aryloxy carbonimidoyl acetate hydrochloride (R9 is a substituted or unsubstituted aliphatic or aromatic group).

Example 381: Synthesis of ethyl cyclopentyloxycarbonimidoyl acetate hydrochloride (XXII).

A mixture of dry ethyl cyanoacetate (14 g, 0.12 mol) and dry cyclopentanol (12 g, 0.15 mol) was saturated at 0°C with hydrogen chloride gas for 3 hours, kept at 0°C overnight, then diluted with diethylether. The product precipitated out and was collected by filtration and washed with ether.

Yield 22.4 g, (77%) m. p. 110-112°C.

Scheme IV: Synthesis of ethyl alkyloxythio or aryloxythio carbonylacetate.

Example 382: Ethyl cyclopentyloxythiocarbonylacetate (XXIV) A mixture of ethyl cyclopentyloxycarbonimidoyl acetate hydrochloride (22 g 0.09 mol) in anhydrous pyridine (150 ml) is treated with hydrogen sulfide for 8 hours and kept at room temperature for 48 hours. The mixture reaction was acidified with concentrated hydrochloric acid and extracted with diethyl ether. The ethereal phase was washed with water, dried and purified by distillation.

Yield 15 g, (75%) b. p. 140-142°C (15 mm Hg).

C. Synthesis of 2-Pyrazolin-5-ones were synthesized by the following four methods.

Scheme V: Method 1 for synthesizing 2-pyrazolin-5-ones.

Scheme VI: Method 2 for synthesizing 2-pyrazolin-5-ones.

Scheme VII: Method 3 for synthesizing 2-pyrazolin-5-ones.

NH/\ HN Acetic acid N 0 NN 0 N//N XXXI. XXXII. XXXIII.

Scheme VIII: Method 4 for synthesizing 2-pyrazolin-5-ones.

Example 383: 3- (2,2,3,3-Tetramethylcyclopropyl)-2-pyrazolin-5-one.

Hydrazine hydrate (1.1 g, 0.024 mol) was added to a solution of ethyl 3- (2,2,3,3-tetramethylcyclopropyl-3-oxopropionate (4.41 g, 0.020 mol) in anhydrous ethanol (60 ml). The reaction mixture refluxed for 3 h. After cooling, the solvent was evaporated, and the residue was triturated with hexane to give a white solid.

Example 411: 3- (4-Hydroxybenzyl)-2-pyrazolin-5-one A stirred suspension of 3- (4-methoxybenzyl)-2-pyrazolin-5-one 2.5 mmol in dichloromethane 100 ml cooled at-78°C, was treated with boron tribromide 7.5 ml (1M in dichloromethane). After 1 hour at-78°C the reaction mixture was stirred at room temperature for 12 hours. The mixture was quenched with water 50 ml. The aqueous phase was separated out, and basified with 5% sodium bicarbonate solution.

The formed precipitate was filtered and crystallized from methanol.

Example 413: 3- (4-Carbamoylphenylethyl)-2-pyrazolin-5-one A mixture of 3- (4-methoxycarbonylphenylethyl)-2-pyrazolin-5-one (7.7 mmol) in ammonium hydroxide 25% (30 ml), was stirred at room temperature for 12 hours. The solvent was concentrated in vacuo and the solid product formed was filtered and dried.

Example 414: 3- (2-Aminocarbonylethyl)-2-pyrazolin-5-one A mixture of 3- (ethoxycarbonylmethyl)-2-pyrazolin-5-one (1 g, 5.8 mmol) and NaCN (28 mg, 0.58 mmol) in 30 ml of 9M ammonia in MeOH was heated to

45°C in sealed tube for 3 days. After cooling, the solvent was evaporated and the residue was suspended in water. The precipitated solid was collected by filtration.

Example 416: 3- (4-Methoxyphenylamino)-2-pyrazolin-5-one A mixture of 3-amino-2-pyrazolin-5-one (20 mmol), 4-methoxyaniline (25 mol) in 50 ml of acetic acid was refluxed for 4 hours. The solvent was evaporated, the residue was suspended in water. The solid was filtered and crystallized from methanol.

Table 14: Compounds synthesized having structural formula XXVI. Example R'% Yield M. p. Recrystallization Method Solvent 383 2,2,3,3-tetramethyl- 44 195-7 NA see Example cyclopropyl 383 384 ethoxycarbonylmethyl 44 115-6 toluene see Example 383 385 pyrrol-2-yl 30 205-8 NA see Example 383 386 indol-3-yl 69 250-3 NA see Example 383 387 6-methoxybenzothiazol-40 269-70 NA see Example 2-yl 383 388 2-methylcyclopropyl 70 196-7 water see Example 383 389 trans-2-phenyl-65 194-5 ethanol see Example cyclopropyl 383 390 tetrahydrofuran-3-yl 36 204-5 ethanol see Example 383 391 4-methoxybenzyl 73 192-5 NA see Example 383 392 4-methylbenzyl 80 212-4 ethanol: water see Example 383 393 4-chlorobenzyl 67 206-8 ethanol see Example 383 394 3-methoxybenzyl 72 163-5 NA see Example 383 395 3,4-dimethoxybenzyl 69 193-5 NA see Example 383 396 phenylethyl 72 204-7 NA see Example 383 397 2-phenylpropyl 72 215 NA see Example 383 398 3-phenylpropyl 76 200-1 ethanol see Example 383 399 4-methoxyphenylethyl 85 230 ethanol see Example 383 400 4-methylphenylethyl 90 251-2 NA see Example 383 401 4-chlorophenylethyl 63 243 NA see Example 383 402 4-nitrophenylethyl 69 247 DMF: water see Example 383 403 4-aminophenylethyl 61 220-2 NA see Example 383 404 4-methoxy-77 259-60 ethanol see Example carbonylphenylethyl 383 405 4-phenylphenyloxy-50 250 ethanol see Example methyl 383 406 4-methoxy-70 216-8 ethanol see Example phenyloxymethyl 383 407 4-chloro-38 224-6 ethanol see Example phenyloxymethyl 383 408 3-chloro-40 232-4 ethanol see Example phenyloxymethyl 383 409 4-77 207-10 methanol see Example methylphenyloxymethyl 383 410 cyclopentyloxy 75 180-1 toluene see Example 383 411 4-hydroxybenzyl 75 233 methanol see Example 411 412 4-hydroxyphenylethyl 70 205-6 water see Example 411 413 4-carbamoylphenylethyl 90 >270 DMF: water see Example 413 414 2-aminocarbonylethyl 66 193-6 NA see Example 414 415 2-dimethylamino-38 203-9 NA see Example carbonylethyl 414 416 4-methoxyphenylamino 30 232-4 methanol see Example 416 417 4-chlorophenylamino 28 262-4 ethanol see Example 416 418 4-fluorophenylamino 35 259-60 NA see Example 416 419 cyclopropylamino 82 155-158 NA see Example 383 420 pyrazinyl 86 193 (d) ethanol see Example 383 421 isopropylamino 20 123-25 ethanol see Example 383 422 2-pyrimidinyl 55 278-80 ethanol see Example 383 423 3-pyridazinyl 83 294-95 ethanol see Example 383 424 4-pyrimidinyl 72 290-300 ethanol see Example 383 425 4-pyrimidinyl 60 288-291 ethanol see Example 383

D. Synthesis of Aldehydes Example 426: 1- (4-Acetoxybutyl)-azaindole-3-carboxaldehyde A solution of 7-azaindole-3-carboxaldehyde (4.19 g, 28 mmol) in dry N, N dimehylformamide (50 ml) was added dropwise, keeping the temperature between 5- 10°C, to a stirring suspension of 60% sodium hydride (oil dispersion) (1.2 g, 30 mmol) in dry DMF (65 ml) under nitrogen atmosphere. After addition was completed, stirring was continued at the same temperature for 30 min., then a solution of 4-bromobutylacetate (6.16 g, 31 mmol) in dry N, N-dimethylformamide (15 ml) was added dropwise, and the mixture was allowed to warm to room temperature. The reaction mixture was stirred at room temperature for 137 h, then water (100 ml) was added, and the mixture extracted with dichloromethane (2 x 100 ml). The organic phase was washed with water (3 x 100 ml), dried over anhydrous magnesium sulfate, filtered and the solvent removed under reduce pressure to give an oil (6.8 g, 93%) which was used without further purification.

Example 427: 1- (4-Hydroxybutyl)-7-azaindole-3-carboxaldehyde

A solution of sodium hydroxide (0.2 g, 17.5 mmol) in water (35 ml) was added to a solution of 1- (4-acetoxybutyl)-7-azaindole-3-carboxaldehyde (2.3 g, 8.8 mmol) in methanol (40 ml). The mixture was heated at 60°C for 0.5 h, then the solvent was evaporated to dryness. The residue was dissolved in a mixture of ethyl acetate and water (50 ml: 50 ml) and the water layer was separated out. The organic phase was washed with water, dried over magnesium sulfate, filtered and evaporated to dryness. The residue was used without further purification. Yield 78%. m. p. 90°C.

Example 428: 1- (4-Hydroxybutyl) pyrrole-2-carboxaldehyde The product was obtained following the procedure in Example 51 except that pyrrole-2-carboxaldehyde was used instead of 7-azaindole-3-carboxaldehyde. The product was purified by silica gel chromatography using (5: 5) ethyl acetate: hexane.

Yield 67%.

Example 429: 3-Isopropyl-5-methylpyrrole-2-carboxaldehyde To a solution of anhydrous DMF (2.1 ml, 27 mmol) in anhydrous dichloroethane (50 ml) at 0°C under nitrogen, POC13 (2.1 ml, 23 mmol) was added dropwise. The solution was allowed to warm at room temperature for lh. Then, the suspension was cooled at 0°C and a solution of 3-isopropyl-5-methylpyrrole (2g, 16 mmol) in dichloroethane (20 ml) was added dropwise over 20 min. After stirring at room temperature for 24 h, water followed by NaOH were added to pH: 8. The organic layer was extracted, dried and the solvent removed to dryness. The residue was purified by flash chromatography. Yield 67%, m. p. 90-93°C.

Example 430: 3,5-Dimethyl-4-morpholinomethylpyrrole-2-carboxaldehyde 3,5-Dimethylpyrrole-2-carboxaldehyde (0.5g, 4 mmole) was added to a solution of morpholine (0.35 g, 4 mmol), formaldehyde 37% (0.32 g, 4 mmol) and acetic acid (2ml). The mixture was stired overnight at room temperature under nitrogen, then the reaction was diluted with NaHCO3 to pH 8. The aqueous solution was extracted with ethylacetate and the organic layer was dried over Mg S04. The ethylacetate was evaporated in vacuo to give 0.4 g of pure solid.

The following compounds were synthesized by a method analogous to the method described in Example 430: 3,5-Dimethyl-4-dimethylaminomethylpyrrole-2-carboxaldehyde, 3- (4- morpholino) methyl-indole-2-carboxaldehyde, 3,5-dimethyl-4-diethylaminomethylpyrrole-2-carboxaldehyde, 3,5-dimethyl-4-piperidinomethylpyrrole-2-carboxaldehyde, 3,5-dimethyl-4- [ (4-methyl-l-piperazinyl) methyl] pyrrole-2-carboxaldehyde, 3,5-dimethyl-4- (l-pyrrolidinylmethyl) pyrrole-2-carboxaldehyde, 5-methyl-4-dimethylaminomethylpyrrole-2-carboxaldehyde, 3,5-dimethyl-4- [N-methyl-N- (2-dimethylaminoethyl) aminomethyl] pyrrole-2- carboxaldehyde, 3,5-dimethyl-4-diethanolaminomethylpyrrole-2-carboxaldehyde, 4- (4-benzylpiperidinomethyl)-3,5-dimethylpyrrole-2-carboxaldeh yde, 4-dimethylaminomethyl-3-isopropyl-5-methylpyrrole-2-carboxal dehyde, 3,5-dimethyl-4- (4-hydroxypiperidinomethyl) pyrrole-2-carboxaldehyde, and 3-dimethylaminomethyl-4,5-tetramethylenepyrrole-2-carboxalde hyde.

Example 431: 3,5-Dimethyl-4-trifluoroacetamidomethylpyrrole-2-carboxaldeh yde A mixture of 3,5-dimethylpyrrole-2-carboxaldehyde (2.6g, 0.02 mol) and N- (hydroxymethyl) trifluoroacetamide (3g, 0.02 mol) was added in portionwise to sulfuric acid (15 ml) keeping the temperature below 10°C. The mixture of reaction was allowed to warm at room temperature for 4h. The reaction was poured into ice- water (100 ml), the precipitated solid was filtered and washed with water. The white solid (yield, 78%) was used without further purification. M. p. 200°C.

Example 432: 4-Aminomethyl-3,5-dimethylpyrrole-2-carboxaldehyde A mixture of 3, 5-dimethyl-4-trifluoroacetamidomethylpyrrole-2- carboxaldehyde (3.9 g, 15.7 mmol), NaOH 10% (19 ml) and methanol (100 ml) was heated to reflux for lh. The solution was concentrated to half volume under reduced pressure. Water was added and the precipitated solid was filtered. Yield 72%, m. p.

210-20°C (d).

Example 433: 3-Acetyl-4-oxopentylacetate A mechanically stirred mixture of pentane-2,4-dione (60 g, 0.6 mol), 2- bromoethylacetate (100 g, 0.6 mol), anhydrous potassium carbonate (83 g, 0.6 mol), IK (99.6 g, 0.6 mol) and dry acetone (500 ml) was heated under reflux for 24 h. The mixture was concentrated under reduced pressure and poured into hydrochloric acid (1.7 M, 400 ml). The product was isolated by successive extractions with ether, ethyl acetate and dichloromethane. The combined organic extracts were washed with brine, the solvent removed to dryness and the residue distilled to give 38 g of the acetate b. p. 75-80°C (0.1 mm Hg).

4-Acetyl-5-oxohexyl acetate [yield 60%, b. p. 110°C (0.2 mm Hg)], and 5- Acetyl-6-oxoheptyl acetate [yield 77%, b. p. 102°C (0.2 mm Hg)] were prepared by the method described in Example 433.

Example 434: tert-Butyl 4- (2-acetoxyethyl)-3,5-dimethylpyrrole-2-carboxylate A stirred solution of tert-butylacetoacetate (26 g, 0.165 mol) in acetic acid (48 ml) was treated below 20°C by the dropwise addition of sodium nitrite (11.3 g, 0.165 mol) in water (17 ml) and left to stand overnight.

A solution of 3-acetyl-4-oxopentylacetate (30 g, 0.161 mol) in acetic acid (56 ml) was heated to 80°C when a mixture of zinc dust (26.2 g, 0.40 mol), and sodium acetate (26.3 g, 0.32 mol) was added portionwise while the above hydroximino derivative (97 ml, 0.165 mol) was added dropwise. The reaction mixture was stirred vigorously during the addition which was regulated so that zinc was always in excess and the temperature remained between 90-100°C. When the addition was complete the mixture was boiled gently for 15 min and stirred to room temperature overnight. The reaction mixture was poured into ice-water and allowed to stand over 2 hr. The solid was filtered and washed with water and recrystallized from aqueous ethanol. Yield 78%, m. p. 92°C. tert-Butyl 4- (3-acetoxypropyl)-3,5-dimethylpyrrole-2-carboxylate [yield 60%, m. p. 73°C (hexane)] and tert-Butyl 4- (4-acetoxybutyl)-3,5-dimethylpyrrole-2- carboxylate [yield 52%, m. p. 62°C (hexane)] were prepared by the method described in Example 434.

Example 435: 3,5-Dimethyl-4- (2-hydroxyethyl) pyrrole-2-carboxaldehyde. tert-Butyl 4- (2-acetoxyethyl)-3, 5-dimethylpyrrole-2-carboxylate (15 g, 53 mmol) was dissolved in TFA (40 ml) and the solution was stirred at 40°C under nitrogen for 10 min. The reaction mixture was then cooled to 0°C and triethylorthoformate (9.6 ml, 58 mmol) was added dropwise. The mixture was allowed to warm up to 20°C and was stirred for lhr before being poured into ice water. This was extracted with dichloromethane and the extracts were washed successively with 10% aqueous ammonia and water and dried over MgS04.4- (2- acetoxyethyl)-3,5-dimethylpyrrole-2-carboxaldehyde was purified by silica gel chromatography using (7: 3) ethyl acetate: hexane. Yield 45%, m. p. 125-27°C (water).

To a solution of the above compound (5g, 23 mmol) in ethanol (20 ml), NaOH 10% (10 ml) was added. The mixture was stirred at room temperature for 30 min., and the final solution was concentrated, diluted with water and extracted with dichloromethane. The organic extracts were dried and the solvent was removed to dryness. Yield 98%, m. p. 100°C (ethyl acetate).

3,5-Dimethyl-4- (3-hydroxypropyl) pyrrole-2-carboxaldehyde [yield 60%, m. p. 85°C (ethyl acetate/hexane)] and 3,5-Dimethyl-4- (4-hydroxybutyl) pyrrole-2- carboxaldehyde [yield 38%, m. p. 99°C (hexane)] were prepared by the method described in Example 435.

Example 436: 4-(2-Diethylaminoethyl)-3, 5-dimethylpyrrol-2-carboxaldehyde.

Methanesulfonyl chloride (4 ml, 51 mmol) in THF anhydrous (4 ml) was added to a stirred solution of 3, 5-dimethyl-4- (2-hydroxyethyl) pyrrole-2- carboxaldehyde (4.3 g, 25.7 mmol) and triethylamine (5.2 g, 51 mmol) in THF anhydrous (60 ml) at 0-5°C and the mixture was stirred for 1 h at room temperature.

Water was then added to the mixture and the precipitated solid was filtered. Yield 89%, m. p. 142-44°C.

A mixture of the above mesilate (23 mmol), K2CO3 (23 mmol), diethylamine (90 mmol) and 2-propanol (70 ml) was heated to 100°C for 0.5 h. The solvent was removed to dryness and the residue treated with water and extracted with methylenchloride. The organic extracts were dried and the solvent evaporated to dryness. Yield 70%, m. p. 70°C (n-heptane).

3,5-Dimethyl-4- [2-(1-pyrrolidinylethyl)] pyrrole-2-carboxaldehyde, 3,5- Dimethyl-4- (2-ethylaminoethyl) pyrrolc-2-carboxaldehyde, 4- (3- Diethylaminopropyl)-3,5-dimethylpyrrole-2-carboxaldehyde, 4- (4- Diethylaminobutyl)-3,5-dimethylpyrrole-2-carboxaldehyde, 3,5-Dimethyl-4- [3- (1- pyrrolidinylpropyl)] pyrrole-2-carboxaldehyde were isolated as oils and were prepared by a method analogous to the method described in Example 436.

Example 437: 4- (2-Chloroacetyl)-3,5-dimethylpyrrole-2-carboxaldehyde Anhydrous aluminum chloride (42 g, 315 mmol) was added portionwise over 30 min to a room temperature solution of 3,5-dimethylpyrrol-2-carboxaldehyde (5 g, 40 mmol) in 1,2-dichloroethane (50 ml) under nitrogen. After stirring for 15 min, chloroacetyl chloride (17 g, 150 mmol) was added dropwise over lh. After addition was complete, the mixture was stirred at room temperature for 16 h. The mixture was poured onto crushed ice and the organic layer separated, dried over anhydrous sodium sulfate, and the solvent removed under reduced pressure. Yield 57%, m. p.

205-09°C (toluene).

Example 438: 3,5-Dimethyl-4- (2-diethylaminoacetyl) pyrrole-2-carboxaldehyde Diethylamine (5 ml) was added to a solution of 4- (2-Chloroacetyl)-3,5- dimethylpyrrole-2-carboxaldehyde (1 g, 5 mmol) in THF (20 ml). The mixture was stirred at room temperature for 24 h. The solvent was removed under reduced pressure and the residue was treated with water, NaHCO3 (5%) and extracted with dichloromethane. After drying and filtering, the solvent was removed and the residue was used without further purification.

3,5-Dimethyl-4- (2-dimethylaminoacetyl) pyrrole-2-carboxaldehyde, 3,5- Dimethyl-4- [2- (l-pyrrolidinyl) acetyl] pyrrole-2-carboxaldehyde were synthesized by a method analogous to the method described in Example 438.

Example 439: 3,5-Dimethyl-4-ethoxyoxalylpyrrole-2-carboxaldehyde Anhydrous aluminum chloride (37 g, 277 mmol) was added portionwise over 30 min to a room temperature solution of 3,5-dimethylpyrrol-2-carboxaldehyde (7.6 g, 62 mmol) in 1,2-dichloroethane (140 ml) under nitrogen. After stirring for 30 min, nitromethane (11.2 ml, 179 mmol) was added. The mixture was cooled at 0°C and ethyl chlorooxoacetate (12.8 g, 94 mmol) was added dropwise over lh. After

addition was complete, the mixture was stirred at room temperature for 4 h. The mixture was poured onto crushed ice and the organic layer separated, dried, and the evaporation afforded a white solid. Yield 45%, m. p. 125-127°C (toluene).

All compounds of the foregoing Examples had NMR spectral data that were consistent with the respective chemical structures.

While this invention has been particularly shown and described with references to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.