Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
05/1988
05/24/1988CA1237142A1 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant pests; compositions thereof and new intermediates produced
05/24/1988CA1237135A1 Cyclopropane carboxylic acid esters related to pyrethric acid; process for preparing the same and their use for controlling plant and indoor pests; compositions thereof and newintermediates produced
05/24/1988CA1237134A1 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant and indoor pests; compositions thereof and new intermediates produced
05/24/1988CA1237127A1 9-substituted carbacyclin analogs
05/19/1988WO1988003530A1 Chiral or achiral cyclic compounds
05/19/1988WO1988002364A3 Process for the production of ethane derivatives
05/19/1988DE3737825A1 Verfahren zur herstellung von 5,6-dihydroxyindol und dessen 3-alkylderivat, zwischenverbindungen und verwendung Process for the preparation of 5,6-dihydroxyindole and its 3-alkyl derivative, intermediates and use
05/18/1988EP0267734A2 Chemical compounds
05/18/1988EP0267670A1 Optically active liquid crystal compound having cyano group
05/18/1988EP0267488A1 Process for the preparation of monomeric alpha-cyanoacrylates
05/18/1988EP0267438A2 Process for the preparation of unsaturated nitriles
05/17/1988US4745207 Preparation of the reaction products of hydrogen cyanide
05/17/1988US4744918 Esters,optical apparatus
05/11/1988EP0267136A2 Quaternary ammonium salts used as phase transfer catalysts
05/11/1988EP0266725A1 4-cyano-4-(fluorophenyl)-3-(substituted phenyl) butyric acids, esters and derivatives thereof, and a method of selectively controlling undesirable vegetation in rice therewith
05/11/1988DE3638026A1 Chirale verbindungen Chiral compounds
05/11/1988CN87107000A 2-(2-substituted benzoxy)-4-(substituted oxygen or substituted sulfur)-1,3-cyclohexabenzophenone preparation and application
05/10/1988US4743702 Preparation of aliphatic dinitriles
05/10/1988US4743622 Fluoro compounds
04/1988
04/27/1988EP0264751A2 Hydroxycarboxylic acid derivatives and their application in copying materials
04/27/1988EP0264543A2 Perylene derivatives
04/27/1988EP0264435A1 Smectic liquid crystal phases.
04/26/1988US4740624 Hydroxylation of aryl ketones with tetrahalogenmethane and sodium hydroxide
04/26/1988US4740620 Alkylation of aromatic amines in the presence of acidic, crystalline molecular sieves
04/26/1988US4740228 Plant growth regulating compounds and compositions and a process for the preparation thereof
04/19/1988US4739097 Monoacrylates of trihydric phenols and method for producing same
04/19/1988US4738800 Cyanation, hydrolysis of a boron group substituted anthraquinone
04/19/1988CA1235430A1 Process for the preparation of basically substituted phenylacetonitriles
04/13/1988EP0263192A1 Dicyanoethenyl fatty compounds and derivatives thereof
04/12/1988US4737313 Liquid-crystalline substituted biphenyl esters
04/12/1988CA1235134A1 Benzo-1,4-quinones
04/07/1988WO1988002364A2 Process for the production of ethane derivatives
04/07/1988WO1988002357A2 Process for the production of alkylene or cyclically linked compounds
04/07/1988DE3632411A1 Verfahren zur herstellung von ethanderivaten Process for the preparation of ethane derivatives
04/06/1988EP0263022A1 Mesomorphic polymers containing side chains, derived from 1-(phenyl)-2-(4-cyanophenyl) ethane
04/06/1988EP0262562A2 Color reduction of polyamines by mild catalytic hydrogenation
04/06/1988EP0262393A1 Derivatives of aryloxycarbonic acids, their preparation and their use
04/06/1988EP0249614A4 Oligomerization process.
04/06/1988CN87105189A Amide derivatives
04/06/1988CN87104101A Certain 2-benzoyl-1, 3, 5-cyclohexanetriones
03/1988
03/31/1988DE3632410A1 Verfahren zur herstellung von alkylen- bzw. ringverknuepften verbindungen A process for preparing alkylene or compounds ringverknuepften
03/30/1988EP0261388A1 Process for the separation of diastereomers of cyclopropanecarboxylic-acid esters
03/30/1988EP0261251A1 Device for heat and mass transfer between a liquid and a steam-gas-mixture
03/30/1988EP0261160A1 Alicyclic compounds.
03/29/1988US4734526 Ammonium dihydrogenotrifluorides
03/29/1988US4734499 Preparation of α,β-diaminoacrylonitriles
03/29/1988US4734410 Lactam derivatives and their use as hypotensive agents
03/23/1988EP0261072A1 Substituted phenyl acid esters, their preparation and their use as insecticides and acaricides
03/23/1988EP0260555A1 Benzo-fused cycloalkane and oxa- and thia-, cycloalkane trans-1,2-diamine derivatives
03/22/1988US4733109 Second harmonic generation with Schiff bases
03/22/1988US4733001 Method for preparing a mixture of stereoisomers of α-cyano-3-phenoxybenzyl isovalerate ester derivatives having a higher insecticidal and acaricidal activity
03/22/1988US4732999 Optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate
03/22/1988US4732709 Racemic resolution
03/16/1988EP0259995A1 Liquid crystal material
03/16/1988EP0259782A1 Naphthalene and indane derivatives, medicaments containing these compounds and processes for their preparation
03/16/1988EP0259511A1 Polyfunctional carbodiimides having particular structures
03/16/1988EP0259346A1 r-1-CYAN-1-R2 -CIS-4-R1 -CYCLOHEXANE COMPOUNDS.
03/16/1988CN87106006A Arylcarboxylic acid derivatives, preparation and use thereof
03/15/1988US4731466 Hydroxyphenyl- and hydroxyphenoxyalkanoic acid iodopropargyl esters
03/15/1988US4731464 Process for the synthesis of an alkyl nitrile from an alkanol
03/15/1988CA1234135A1 Recovery of zerovalent nickel complexes
03/09/1988EP0259265A1 3-Methyl phthalimides
03/09/1988EP0259264A1 4-Methyl phthalimides
03/09/1988EP0258340A1 Smectic liquid crystal phases
03/09/1988EP0258289A1 Peptide analogs
03/09/1988EP0258232A1 Process for the production of chlorothalonyl.
03/08/1988US4730075 Chemical process involving ethers and amines
03/08/1988US4730008 Stimulant for beta-adrenoreceptors
03/02/1988EP0257882A1 N-Phenyl butenamides with pharmaceutical properties
03/02/1988EP0257828A1 Dipropargyloxybenzene compounds and their production
03/02/1988EP0257768A1 2-Isopropyl-2-phenyl-5-(N-methyl-2-phenylethylamino)-valeronitrile derivatives and processes for their preparation
03/02/1988EP0257583A1 Process for ortho-cyanation of phenols or phenylamines
03/02/1988EP0257457A2 Optically active 2-methyl 1,3-propanediol derivatives, liquid crystal compositions comprising them and optical switching element
03/02/1988EP0257295A1 (Z)-2-cyano-2-oximino-acetyl chlorides, and process for their preparation
03/02/1988EP0257049A1 Chiral compounds.
03/01/1988US4728743 Process for the production of 3-oxonitriles
03/01/1988US4728665 Benzoylaminomethylpyrazoles and furans, composition containing them, and fungicidal method of using them
02/1988
02/25/1988WO1988001263A1 A process for recovering and purifying unreacted acrylonitrile
02/25/1988WO1988000940A3 Hexasubstituted cyclohexane compounds
02/24/1988EP0256982A2 Method for the preparation of optically active secondary aryl amines
02/24/1988EP0256849A1 Aromatization process
02/24/1988EP0256097A1 Vinyl compounds and liquid crystal phase.
02/24/1988CN87105661A Substituted phenyl acid esters, their preparation and their use as insecticides and acaricides
02/24/1988CN87105516A Pharmaceutical compounds
02/24/1988CN87103543A Fungicides
02/23/1988US4727142 Reacting a nitrile with alcohol or mercaptan in presence of a catalyst
02/23/1988US4727067 Derivatives of 3-aminopropane-1,2-diol
02/23/1988US4727062 Inhibitors of alanine racemase
02/16/1988US4725595 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials
02/11/1988WO1988000940A2 Hexasubstituted cyclohexane compounds
02/11/1988WO1987007890A3 Chiral liquid crystal compounds
02/11/1988DE3625713A1 Hexasubstituierte cyclohexanverbindungen Hexasubstituted cyclohexane
02/10/1988EP0255664A2 Process for the preparation of dimeric aromatic acylcyanides
02/10/1988CN87104092A Substituted phenyl alpha-fluoroacrylates
02/09/1988US4724263 Certain 2-phenylacetyl-1,3,5-cyclohexanetriones
02/09/1988US4724097 Liquid crystals
02/03/1988EP0255236A2 Fluorine-containing chiral smectic liquid crystals
02/03/1988EP0254987A2 Benzophenone ether-esters and process for improving the light fastness of polyester colourings by the use of benzophenone ether-esters
02/02/1988US4723034 Stilbene derivatives, and fungicides which contain these compounds
02/02/1988US4723030 Acid catalytic hydrogenation of nitroaromatic compounds