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JPH0249310B2 |
Novel compounds of the formula I (I) in which each of Y1 and Y2 independently represents a fluorine, chlorine or bromine atom and each of R1 and R2 independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, ...
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JPH02256638A |
NEW MATERIAL:The compound of formula I [R1 is 3-14C alkyl, alkenyl or alkynyl; R2 is 1-10C alkyl, 2-10C alkenyl or alkynyl: group of formula II is 5- to 8-membered ring; Q1 is single bond, (thio)ether bond, carboxylic acid ester bond, ca...
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JPH02235834A |
PURPOSE: To produce, in a high yield, a high-purity trans-1,3-substd.-cyclobutane deriv. useful as a raw material for a liq. crystal substance by reducing a cyclobutene deriv. corresponding to the objective compd. with a specific metal a...
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JPH02233644A |
NEW MATERIAL: A compd. of formula I [wherein X is halogen; Z is H, CH3, CN, or C=CH; Y is H, halogen, CH2CN, OH, alkyl, CN, COO-alkyl, CO-alkyl, (CH2)m' O-alkyl, (CH2)m' S-alkyl, (CH2)m' N-alkyl (where in m' is 0-4), Si-alkyl, O-aryl, et...
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JPH02225442A |
NEW MATERIAL: A compound of formula I [wherein Hal1 and Hal2 are each F, Cl, Br or I; Z is H or CH3, n is 1-5, m is 5-n, y is a halogen, CH3-C≡N, OH, a (substituted) 8C or lower saturated or unsaturated alkyl, nitrile, a 12C or lower g...
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JPH02223539A |
PURPOSE: To selectively obtain a desired optical isomer of the title compound by reacting a novel specific 10-methyl-2,4-dioxo-1,5-dioxaspiro[5,5]undecane derivative with diazomethane and then hydrolyzing. CONSTITUTION: A novel substance...
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JPH02218622A |
PURPOSE: To obtain a compsn. containing a diadduct in a high ratio by heating a mixture of terpene such as γ-terpinene and Diels-Alder dienophille such as maleic anhydride to form a diadduct. CONSTITUTION: 2 mol equivalent of Diels-Alde...
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JPH0235738B2 |
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JPH0232267B2 |
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JPH0231681B2 |
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JPH0231706B2 |
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JPH0231071B2 |
This invention relates to 1-[(2-acylthiocycloalkyl)carbonyl]-L-proline derivatives which are useful as antihypertensive agents and to a process for their preparation.
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JPH02164849A |
NEW MATERIAL: A compd. represented by formula I [wherein Z is 3-allyl-2- methyl-4-oxocyclopent-2-en-l-yl, 3-propagyl-2-methyl-4-oxocyclopent-2-en-1-yl, 5-benzoylfur-3-ylmethyl or a group represented by formula II (wherein X is, H, OH, OC...
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JPH0227976B2 |
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JPH0227975B2 |
A compound of the formula (I) wherein Q is CO, CH(OR), CR(OH), or CR (OC)-lower alkyl); R is H, or C1-2-alkyl; X is hydroxyalkyl, methoxy-C2-11-alkyl, ethoxy-C2-11-alkyl or oxo-C2-11-alkyl, formyl-C2-11-alkyl, carboxy-C2-11-alkyl or (C1-...
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JPH0227340B2 |
The invention relates to optically active isomers of trans-3-(2-chloro-2-(4-chloro-phenyl)-vinyl-2,2-dimethyl-cyc
lopropane- 1-carboxylic acid alpha - cyano-4-fluoro-3-phenoxy-benzyl ester of Formula (I), to methods for the preparation o...
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JPH0226617B2 |
An industrially advantageous process for producing 4-homoisotwistane-3-carboxylic acid. According to the invention, tricyclo[5.2.1.02,6]dec-8-yl-methylformate (II) is contacted with an inorganic strongly acidic catalyst to obtain 4-homoi...
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JPH0224809B2 |
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JPH0219823B2 |
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JPH0212941B2 |
Novel compounds having insecticidal and acaricidal activity which is retained over long periods of time under outdoor conditions have the general formula: in which: A represents CF3-C IDENTICAL C-, in which X represents a hydrogen, fluor...
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JPH0212210B2 |
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JPH0228135A |
PURPOSE: To readily provide a platinum complex useful as a carcinostatic agent in a short time by reacting a tetravalent platinic acid salt with 2- aminomethylpyrrolidine and subsequently with oxalic acid silver salt and 1,1- cyclobutane...
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JPH0228134A |
PURPOSE: To provide the subject platinum complex in a short time by suspending cis-dichloro(2-aminomethylpyrrolidine) platinum (II) or an optically active isomer thereof in water and subsequently reacting the compound with 1,1- cyclobuta...
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JPH029838A |
PURPOSE: To obtain the title compd. of high purity by treating a compd. obtained by esterifying a novel compd. such as 4-hydroxy3,3,6,6-tetrabicyclo [3.1.0] hexan-2-one with a hydroxyl ion supply source in an aq. medium. CONSTITUTION: A ...
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JPH026412A |
PURPOSE: To produce the subject compd. useful as an acylating agent in high purity from a carboxylic acid and inorg. acid halide by using a Mg halide or Mg in a form capable of being halogenated or a metal similar to Mg as a catalyst. CO...
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JPH021421A |
NEW MATERIAL: Compounds shown by formula I (A is H, halogen, 1-4C haloalkyl; B is 1-4C haloalkyl; X is H or halogen; R is H, aryl sulfonyl, alkyl sulfonyl or haloalkyl sulfonuyl). EXAMPLE: 6-Chloro-3,3-dimethyl-4-hydroxy-7,7,7-trifluoro-...
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JPH0160016B2 |
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JPH0155262B2 |
A process for the preparation of a compound of the general formula in which each of X<1> and X<2> independently represents a fluorine, chlorine or bromine atom, which comprises reacting a compound of the general formula in which X<1> and...
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JPH01290649A |
PURPOSE: To obtain the subject compound as an intermediate for insecticides in one step by reacting a chloroketone such as 1,1,3,6-tetrachloro-4, 4-dimethyl-1- hexen5-one with an aqueous solution of an alkali metal hydroxide. CONSTITUTIO...
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JPH01503387A |
The invention concerns cyclobutane derivatives of formula (I) R?1-A?1-Z?1-A?2-(Z?2-A?3)n?-R?2, which are suitable components of liquid crystal phases.
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JPH0153663B2 |
Diacrylate and dimethacrylate esters corresponding to the formula (FORMULA) wherein R and R' are hydrogen or methyl and A is either a sigma (//c) bond; a (CHu)n radical where n is an integer that may vary from one through four; or phenyl...
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JPH0149264B2 |
A novel prostaglandin analogue of the formula:(wherein the symbol ◄ represents β-configuration, the dotted linie ----- represents a-configuration, and the double bond between (C13-C14 represents transconfiguration) and cyclodextrin cl...
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JPH01502756A |
Substituted imides of the following formula are antipsychotic, anxiolytic agents with very little extrapyramidal side effects: in which X is -O-, -S-, -SO-, -SO2-, -CR3R4- where R3 and R4, independently, are hydrogen, alkyl of 1 to 4 car...
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JPH01233258A |
NEW MATERIAL:A compound expressed by formula I [R1 is H, lower alkyl or lower alkoxy; R2 and R3 are H, halogen, lower alkyl, etc.; A is -(CH2)m- (m is 0W5)]. EXAMPLE: cis(+)-2-Methyl-1,2,3,4-tetrahydro-1-naphthoic acid. USE: An intermedi...
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JPH0141132B2 |
Compounds of formula I in which R1 is C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-7 cycloalkyl, cycloalkylalkyl or optionally substituted phenyl; R2 is H or C1-3 alkyl; R3 and/or R4 are H, formyl, C1-3 alkyl, C3-6 alkenyl, C3-6 alkynyl, C...
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JPH0140017B2 |
Compounds of formula I wherein R1 and R2 are each selected from halomethyl and halo and R is nitro, cyano, lower alkoxycarbonyl, lower alkylcarbonyl, or di-or trifluoromethyl, and n has a value of zero to four, and compositions comprisin...
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JPH0136470B2 |
Novel dihalomethylenelactones of the general formula wherein X1 and X2 each individually represent a fluorine, chlorine or bromine atom. These compounds are useful intermediates in the manufacture of cis-2-(2,2-dihalo-vinyl)-3, 3-dimethy...
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JPH0136453B2 |
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JPH0136454B2 |
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JPH0134980B2 |
Phenylacetic acid derivatives of the formula wherein n is an integer of 2 to 5; R1 is hydrogen, halogen, trifluoromethyl, nitro or amino; R2 and R3 each independently is hydrogen or lower alkyl; or together form an ethylene group; X1 rep...
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JPH0134979B2 |
A novel process for the resolution of D,L-cis and D,L-trans 2,2-dimethyl-3-(2,2 -dihalovinyl)-cyclopropane-1-carboxylic acids of the formula I wherein X is selected from the group consisting of fluorine, chlorine and bromine comprising s...
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JPH0128011B2 |
Ionic compounds of the formula wherein X is -CONR1R2, -CH2NHxAcyl or -CH2OH; Y is -NR3R4, -NHxAcyl or OR5; R1, R2, R3 and R4 can be identical or different, and each is hydrogen, C1-6- alkyl or C2-8-alkyl substituted by 1-5 OH groups and/...
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JPH0127053B2 |
3-Phenoxybenzyl 2,2-dimethyl-3-vinyl-cyclopropane carboxylates of the formula in which R, R1 and R2 each independently is hydrogen or halogen, R3 is phenyl, phenylthio, or phenyl or phenylthio carrying at least one alkyl group or halogen...
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JPH01113351A |
PURPOSE: To provide a pharmaceutical compsn. containing 7-diphenylmethylene bicycloheptane or -heptene which shows an excellent effect for serum lipoproteins and is useful as a hypolipidemic. CONSTITUTION: A bicycloheptane or bicyclohept...
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JPH0120133B2 |
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JPH0119376B2 |
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JPH0112742B2 |
A compound of formula: wherein one of R1 and R2 represents a group of formula: W(CF2)m- where W represents an atom of hydrogen, fluorine or chlorine and m has the value one or two, and the other of R1 and R2 represents an atom of fluorin...
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JPH0112741B2 |
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JPS6410508B2 |
A process for the resolution of DL-cis chrysanthemic acid or DL-trans chrysanthemic acid with L or D N-methyl-ephedrine to form the corresponding salt and acid hydrolyzing the same which resolved acids are intermediates for preparing est...
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JPS648617B2 |
A novel process for the preparation of optically active alcohols of the formula I wherein R1 and R2 are individually selected from the group consisting of hydrogen, saturated and unsaturated, optionally substituted aliphatic, cycloalipha...
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