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JPS5612625B2 |
Alkyl cis-chrysanthemate is treated with a catalytic amount of alkali metal alkoxide at a temperature of about 50 DEG to 200 DEG C in the absence or presence of an aprotic solvent to give alkyl trans-chrysanthemate in a high purity and a...
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JPS5610298B2 |
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JPS568814B2 |
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JPS568815B2 |
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JPS568035B2 |
The 2-descarboxy-2-(tetrazol-5-yl)-11-desoxy-15-substituted- omega -pentanorprostaglandins and various intermediates employed in their preparation. The novel prostaglandins of this invention have been found to have activity profiles comp...
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JPS5616440A |
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JPS566996B2 |
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JPS5615246A |
A substantially pure compound selected from the group consisting of the d-menthyl esters of 1RS-cis-, 1RS-cis/trans-, 1R-cis-, 1S-cis-, 1R-trans- and 1S-trans-3-(2,2-dichloro- and dibromo-vinyl)-2,2-dimethylcyclopropanecarboxylic acid, t...
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JPS565375B2 |
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JPS563333B2 |
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JPS562060B2 |
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JPS562931A |
Trans-3,3-dimethylcyclopropane-1,2-dicarboxylic acid is prepared from 2-acetyl-3,3-dimethylcyclopropane-1-carboxylic acid esters, in a first step by hydrolysis with aqueous-alcoholic alkali metal hydroxide solutions and, after removal of...
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JPS562949A |
A process for the preparation of a 2-cyano-3,3-dimethyl-cyclopropane-1-carboxylic acid ester of the formula in which R is optionally substituted alkyl, comprising reacting a 3-halogeno-3-cyano-2,2-dimethyl-propane-1-carboxylic acid ester...
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JPS5550934B2 |
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JPS5549060B2 |
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JPS55154938A |
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JPS55153742A |
Novel esters of the formula I' wherein R1 and R2 are individually selected from the group consisting of carbamoyl and R1' and R2', R1' and R2' are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 6 carb...
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JPS55147230A |
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JPS5545056B2 |
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JPS5538333B2 |
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JPS5538332B2 |
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JPS5534128B2 |
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JPS5533700B2 |
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JPS55111444A |
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JPS55111407A |
PURPOSE: An insecticide composition suitably applicable to paddy fields that contains a specific cyclopropanecarboxylate as an effective component, thus having high insecticidal activity with low toxicity to mammarians and fishes. CONSTI...
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JPS5531134B2 |
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JPS55105643A |
NEW MATERIAL:A cyclohexanecarboxylic acid derivative shown by the formula I (R1 is H or lower alkyl; R2 is 4-methyl-3-pentenyl, 2-carboxyethyl, 3-bromo-4-hydroxy-4-methylpentyl, 3,4-proxy-4-methlpentyl, etc.). EXAMPLE: Cis-1-methyl-4-(4-...
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JPS5527896B2 |
4-HOMOISOTWISTANE-3-CARBOXYLIC ACID ESTERS HAVE BEEN PREPARED AND SHOWN TO POSSESS SUPERIOR ANTIVIRAL EFFECTS.
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JPS5585539A |
PURPOSE: To separate a cis-and trans-1-methyl-4-isohexylcyclohexanecarboxylic acid ester mixture into its constitutents, in simple reaction processes, by hudrolyzing the mixture stepwise using a caustic alkali. CONSTITUTION: A mixture of...
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JPS5585540A |
PURPOSE: To separate a cis- and trans-1-methyl-4-isohexylcyclohexanecarboxylic acids mixture into its constituents, in simple reaction processes, by selectively esterifying the trans species of the acid. CONSTITUTION: A mixture of cis- a...
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JPS5585508A |
New compounds are described that fall within the general formula I wherein R is hydrogen, or a lower alkyl group, or one of the following groups: (a) 3-phenoxybenzyl (b) 2-benzyl-4-furylmethyl (c) alpha -cyano-3-phenoxybenzyl (d) 3,4-met...
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JPS5585538A |
PURPOSE: To obtain the title compounds useful as medicines, in simple reaction processes, in high purity and yield, by separating trans species from a cis- and trans- 1-methyl-4-isohexylcyclohexanecarboxylic acid mixture as a clathrate c...
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JPS5585537A |
PURPOSE: To obtain the title compounds useful as midicines, in high purity and yield, by converting a mixture of cis- and trans-1-methyl-4-isohexylcyclohexanecarboxylic acids to the sodium salts, and separating the mixture into cis and t...
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JPS5581841A |
NEW MATERIAL:The title compound of formula I (R is lower alkyl). EXAMPLE: 1-(1-Aminoethyl)tricyclo[4.3.1.12,5]undecane. USE: Remedy for Parkinson's disease. Active to RNA virus and extremely effective against herpes virus (DNA virus). Es...
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JPS5576837A |
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JPS5521011B2 |
The (+), (-) and (+/-) forms of the compounds of formula I I wherein R1 is hydrogen or a methoxy, ethoxy, propoxy, methylthio, ethylthio, propylthio, fluoro, chloro, bromo, methyl, ethyl, nitro or amino group, and R2 is a hydrogen or met...
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JPS5517002B2 |
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JPS5516497B2 |
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JPS5516496B2 |
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JPS5559133A |
A process for separating the individual optically active isomers of cis- or trans-cyclopropane carboxylic acids which comprises the step of treating an aqueous solution of a soluble salt of the recemate or diastereoisomeric mixture with ...
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JPS5535014A |
PURPOSE: To obtain the high purity title compound, having a remarkable antiallergic activity and a strong surface activity, in high yield and in a shorter process than the conventinal one, by the hydrogenation of a cyclohexanecarboxylic ...
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JPS5513269A |
Cyclopentyl-aldehyde derivatives of the general formula wherein X and Y, which can be the same or different represent CHO, CH2OH or COOH; Z represents a C1-C3 alkyl group; A represents -CH2-, or including their geometrical isomers are of...
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JPS5511549A |
NEW MATERIAL:Cyclohexenedicarboxylic derivatives of formula I (R1, R2 are H, alkyl, aryl; R3, R4, R5, R6 are H, alkyl, alkenyl, or R3 and R6 may incorporate to form bridge). EXAMPLE: 4-Isobutoxycarbonyl-4'-(2-isobutoxycarbonyl)ethyl-cycl...
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JPS554319A |
PURPOSE: To obtain the title compound useful as analgesics, antiphlogistics, and antipyretics, in a simple process in high yield, by carboxylating a novel indene derivative with CO in the presence of a hydroxy compound, including carboxy...
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JPS551242B2 |
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JPS552674A |
A process for the separation of enantiomers of a chiral carboxylic acid, comprising reacting an alkali metal salt of the acid with an amount of an optically active amine salt which is equivalent to only one enantiomer, in an aqueous weak...
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JPS552685A |
1. Process for the preparation of chlorostyryl-cyclopropane-carboxylic acid derivatives of the formula I see diagramm : EP0006205,P12,F1 in which R represents alkyl or halogen and n represents 0 to 5 and R**1 represents hydrogen or alkyl...
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JPS54163557A |
4,4,5,5-tetrachloro-2,2-dimethyl-spiropentane-1-carboxylic acid 3-phenoxy-benzyl esters of the formula in which R and R1 each independently is hydrogen or halogen, and R2 is hydrogen, cyano or ethynyl, which possess insecticidal and acar...
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JPS54157546A |
PURPOSE: To prepare the title compound in high yield and high volumetric efficiency, by reacting acrylic acid containing TiCl4 as a catalyst, with 1,3-butadiene. CONSTITUTION: Acrylic acid and TiCl4 catalyst are dissolved in a solvent su...
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JPS54151951A |
NEW MATERIAL:Compounds of the formula (R is 3W6C straight-chain alkyl). EXAMPLE: 4-n-Pentylcyclohexylcarboxylic acid. USE: Liquid crystal only in trans isomers; they have wide temperature range of about 50°C to keep nematic state and fu...
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