| Document |
Document Title |
|
JPH0322853B2 |
|
|
JPH0331228A |
PURPOSE: To improve yield by using a chlorinated solvent as a solvent and a metal halide as a catalyst in reacting cyclopentene with hydrogen chloride and obtaining the subject compound which is a fundamental raw material for producing v...
|
|
JPH039103B2 |
Tris(disubstituted amino)sulfonium perfluorocarbanion salts and process for their preparation.
|
|
JPH0240048B2 |
New bicyclohexylethanes of formula I R1-Cy-Cy-CH2CH2-A-(Cy)n-R2 (I) wherein R1 is alkyl; R2 is alkyl, in which one or two non-adjacent CH2 groups can be replaced by 0 atoms, or is F, Cl, Br, CN, -COOalkyl or -O-CO-alkyl; or one of the ra...
|
|
JPH0238573B2 |
|
|
JPH02196737A |
PURPOSE: To provide the subject compound in a high yield by using a small amount of inexpensive AlCl3 as a catalyst when an adamantane is brominated to prepare the objective compound. CONSTITUTION: A compound of the formula (R is H or 1-...
|
|
JPH02502381A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPH02138139A |
PURPOSE: To easily obtain the subject compound in high yield and purity on an industrial scale at a low cost, without using Br2 in large excess, by using AlBr3 and BBr3 as a catalyst, mixing the catalyst with 1,3-dimethyladamantane in ad...
|
|
JPH02138134A |
NEW MATERIAL: A liquid crystal represented by formula I (wherein A is a cyclohexyl ring; R1 is an alkyl or a radial; R2 is an alkyl, an alkoxy, an alkylcyclohexyl or a radical or cyanide; X1, X2, X3 and X4 are each an alkyl, H, a halide ...
|
|
JPH0228123A |
NEW MATERIAL: A compd. represented by formula I (wherein X1 and X2 are Cl, Br or I, R1-R4 are F, CF3, CN, NO2, 1-18C alkoxy, 1-18C alkylthio, 6-18C aryl, 6-16C aryloxy, 6-18C arylthio, 3-18C trialkylsilyl, COOR5 or COX, 1-3 groups of R1-...
|
|
JPH024722A |
NEW MATERIAL:A compound shown by formula I (R1-R3 are H, F or hydrocarbon group; Rf is 1-30C F-substituted hydrocarbon group linked to at least one F; n is 0-2). USE: A comonomer for polymerizing a substance having oxygen permeability (e...
|
|
JPH0160458B2 |
|
|
JPH0156055B2 |
Hexabromocyclododecane may be synthesized at a high yield in pure form by brominating 1,5,9-cyclododecatriene with bromine in a C4-C8 saturated aliphatic alcohol in the presence of a boron trifluoride complex, neutralizing the reaction m...
|
|
JPH01503145A |
The invention relates to an electro-optical liquid crystal display element containing a dielectric with at least two liquid-crystalline components, wherein the dielectric, for shortening the switching times, contains at least one fluorin...
|
|
JPH01502823A |
PCT No. PCT/DE88/00136 Sec. 371 Date Nov. 25, 1988 Sec. 102(e) Date Nov. 25, 1988 PCT Filed Mar. 10, 1988 PCT Pub. No. WO88/07523 PCT Pub. Date Oct. 6, 1988.Ethyne derivatives of the formula I R1-(A1-Z1)m-A3-C 3BOND C-A4-(Z2-A2)n-R2 I wh...
|
|
JPH01502831A |
PCT No. PCT/DE88/00136 Sec. 371 Date Nov. 25, 1988 Sec. 102(e) Date Nov. 25, 1988 PCT Filed Mar. 10, 1988 PCT Pub. No. WO88/07523 PCT Pub. Date Oct. 6, 1988.Ethyne derivatives of the formula I R1-(A1-Z1)m-A3-C 3BOND C-A4-(Z2-A2)n-R2 I wh...
|
|
JPH01190641A |
NEW MATERIAL:A halomonoterpene of formula I (R1 is methyl, formula II, R2 is formula III, when R1 is methyl, while methyl, when R1 is formula II). EXAMPLE:(1R,2R,4R,5R,I'E)-2,4,5-Trichloro-1-(2'-chloroetheny
l)-1,5-dim ethyl- cyclohexane...
|
|
JPH01186828A |
PURPOSE: To effect efficient perfluorination by partial fluorination of a cyclic organic compound in contact with a high-valency metal fluoride efficiently at a lower temperature than in the conventional process, followed by reaction wit...
|
|
JPH01160927A |
NEW MATERIAL:A dicyclopentadiene derivative expressed by formula I [R<1> is halogen, ester expressed by the formula -CO2R3 (R<3> is lower alkyl or aryl), substituted silyl expressed by the formulaSiR<4>R<5>R<6> (R<4>, R<5> and R<6> are l...
|
|
JPH0127051B2 |
|
|
JPH01125335A |
Novel compositions include compounds of the formula: wherein the carbon rings are fully fluorinated and R is selected from the group consisting of fluorine, -CF3 or -CF(CF3)2.
|
|
JPH0123449B2 |
Halogenation of alkanes and of cycloalkanes by the action of ultraviolet upon a solution of the halogen in the alkane; the solution is prepared in advance and passes into the irradiated zone, after having been put into contact with a hal...
|
|
JPH01113404A |
PURPOSE: To polymerize α,β-unsatd. compds. by a base transfer polymn. method by using perfluorocarbanion salts having a specific constitutional formula as a catalyst. CONSTITUTION: The α,β-unsatd. compds. are polymerized under the ba...
|
|
JPS6490141A |
NEW MATERIAL: A perfluoro compd. expressed by formula I (carbon ring is fully fluorinated). EXAMPLE: The compd. of formula II. USE: A vapor phase soldering fluid. A hydraulic pump fluid. A heat transfer agent. An artificial blood or a sp...
|
|
JPH01500995A |
Compounds having formula (I): R<1>-(A)k-(Z<1>-A<1>)m-Z-(E)n-(Q)o-(Z<2>-A<2>)p-R<2>, can be easily produced in high yields from organic zinc compounds having formula (II): R<1>-(A)k-(Z<1>-A<1>)m-Z-ZnY and compounds having formula (III): X...
|
|
JPS6471830A |
NEW MATERIAL:A monofluorocyclobutane shown by formula I [R1 and R2 are lower alkyl or phenyl; R3 is H, lower alkyl, -CH2OH or -CH(OH)COOC2H5]. EXAMPLE: 1-Fluoro-1-methyl-2-phenylcyclobutane. USE: An insect attracting substance having hig...
|
|
JPS6456633A |
PURPOSE: To swiftly obtain the material by simple operation in high yield by bringing bromine to react with 1,5,9-cis, trans, trans-cyclododecatriene in a solvent and then bringing this reaction mixture to contact with ammonia. CONSTITUT...
|
|
JPS6445321A |
PURPOSE: To obtain an organo-fluorine compound in high yield and at low cost in fluorinating a halogenated organic compound containing a halogen atom except fluorine with an alkali fluoride, by carrying out the reaction in the presence o...
|
|
JPS64932B2 |
|
|
JPS6435A |
PURPOSE: To provide a clathrate which is prepared by using cholic acid or its lower alkyl ester derivative as a host compound, thus being used for isolation and purification of an organic compound or optical resolution of an optically ac...
|
|
JPS6352938B2 |
|
|
JPS63238030A |
NEW MATERIAL:4-Substituted cyclohexenyl halide derivative of formula I [R is 1W9C straight-chain alkyl; cyclohexane ring has trans-configuration (equatorial-equatorial); n is 0, 1; X is F, Cl]. USE: Liquid crystal display cells of high-s...
|
|
JPS63502512A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPS63502507A |
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.
|
|
JPS63216834A |
NEW MATERIAL:A compound shown by formula I (R1 and R2 are H, alkyl, haloalkyl, aryl or R1 and R2 may be bonded to form polymethylene; X is halogen). USE: An anti-cancer drug. PREPARATION: A compound shown by formula II (R3 and R4 are H, ...
|
|
JPS63501958A |
PCT No. PCT/EP86/00722 Sec. 371 Date Aug. 11, 1987 Sec. 102(e) Date Aug. 11, 1987 PCT Filed Dec. 8, 1986 PCT Pub. No. WO87/03581 PCT Pub. Date Jun. 18, 1987.Dispirotetradecanes of the formula I I wherein R1 and R2 are each independently ...
|
|
JPS6331449B2 |
|
|
JPS6325566B2 |
|
|
JPS6366135A |
Novel 1,3-Diaryl cyclopentanes were prepared. These compounds were found to have potent and specific PAF (Platelet Activating Factor) antagonistic activities and as such useful in the treatment or amelioration of various diseases or diso...
|
|
JPS6312850B2 |
A mixture of chemical substances such as optical isomers, geometrical isomers and polymers having different molecular weight ranges is separated to each ingredient by use of a cellulose derivative having an aromatic ring in the chromatog...
|
|
JPS6312851B2 |
|
|
JPS6312449B2 |
|
|
JPS6317871A |
Insecticidal and acaricidal novel substituted furazans of the formula n which R1 and R2 are identical or different and represent hydrogen, halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio or optionally ...
|
|
JPS632244B2 |
|
|
JPS6254088B2 |
A process for the preparation of perfluorinated, polycyclic hydrocarbons in which, as starting material, partially fluorinated, non-aromatisable, polycyclic hydrocarbons are employed and are fluorinated in the gas phase by means of cobal...
|
|
JPS6251941B2 |
|
|
JPS62212332A |
PURPOSE: To easily and economically produce a vinylcyclopropane compound in high selectivity and yield under mild condition, by reacting a substituted conjugated diene with a haloform in an inexpensive aqueous alkali using a cationic sur...
|
|
JPS62502341A |
PCT No. PCT/EP86/00164 Sec. 371 Date Nov. 21, 1986 Sec. 102(e) Date Nov. 21, 1986 PCT Filed Mar. 21, 1986 PCT Pub. No. WO86/05486 PCT Pub. Date Sep. 25, 1986.Cyclohexane derivatives of the formula I R1-A1-Z1-A2-R2 I in which R1 and R2 ar...
|
|
JPS6240336B2 |
A compound represented by the general formula:where X is a halogen atom, an alkyl group having from 1 to 8 carbon atoms or a cyano group, and R is an alkyl group having from 1 to 8 carbon atoms.
|
|
JPS6239137B2 |
Compounds of general formula …… wherein X represents a F, C1, ,Br,I or CN. …They can be prepared… a) when X = C1,Br,I,F by reacting 1,5-dimethyl-1,5-cyclooctadiene with HX… b) when X = C1,132,I by reacting the corresponding...
|
