Patents
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Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
11/1990
11/28/1990CN1047280A Process for synthesising acyl cyanides
11/28/1990CN1047226A Ammonia oxidation catalyst for ortho-chlorotoluene
11/27/1990US4973772 Reacting chloroaromatic compound with alkali metal fluoride in presence of phase transfer agents
11/27/1990US4973746 Ammonolysis, dehydration, hydrogenation
11/27/1990US4973736 Dye, drug and herbicide intermediates
11/27/1990US4973735 Substituted trifluoroethyl esters of phenylacetic acid, processes for their preparation and their use as pesticides
11/27/1990US4973731 Di-t-butylphenyl alkyl and benzyl ether nitriles
11/27/1990US4973730 From nitrilotriacetic acid and formaldehyde, builders, bleach stabilizer
11/27/1990CA1276938C Arylacetic acid derivatives
11/26/1990CA2017468A1 Aryloxyphenylpropylamines their preparation and use
11/22/1990EP0398842A1 Hydrazide derivatives
11/22/1990EP0398783A1 Process for the synthesis of acyl cyanides
11/22/1990EP0398782A1 Process for the preparation of acyl cyanides in anhydrous media
11/21/1990CN1047077A Industrial producing method for alpha-cyano ethylacrylate
11/20/1990US4971996 Hydroxystyrene compounds which are useful as tyrosine kinase inhibitors
11/20/1990US4971979 Alkadiene derivatives, and pharmaceutical compositions containing them
11/20/1990US4971664 Terminal chlorination of normal alkane hydrocarbons
11/16/1990CA2016731A1 Hydrazide derivatives
11/15/1990DE3930663C1 Cross-coupling metal organic cpds. and e.g. halogen cpds. - includes using transition metal-palladium catalyst and opt. metal alcoholate
11/14/1990EP0397290A1 Novel derivatives, their preparation and pharmaceutical composition containing them
11/14/1990EP0397281A2 An improved process for the preparation of 3,5,6-trichloropyridin-2-ol
11/13/1990US4970330 Insecticides, pesticides
11/13/1990CA1276180C Propylamines, their preparation and their use as fungicides
11/13/1990CA1276179C Anthranilonitrile derivatives and related compounds as useful agents for promoting growth, improving feed efficiency, and for increasing the leanmeat to fat ratio of warm-blooded animals
11/13/1990CA1276172C Hydroxyphenyl- and hydroxyphenoxyalkanoic acid iodo propargyl esters
11/13/1990CA1276171C Amino acid esters
11/07/1990EP0396435A1 Polyaza derivatives and their metal complexes for use in the fixation of oxygen
11/06/1990US4968836 From a hydrocarbyloxy halogenated tetrahydrofuran
11/06/1990US4968830 Halogenative dehydrogenation
11/06/1990US4968717 Phenylacetonitriles which are substituted by basic groups, their preparation and drugs containing these substances
11/06/1990US4968677 Substituted 1-aryl-2-napthoylamines and their use as microbicides
10/1990
10/31/1990EP0234437B1 Chiralic reaction products of mesogene molecular structures and bifunctional reactive derivatives of tartaric acid, method for their production and their use as a doping material in liquid crystal phases
10/31/1990CN1046523A Fungicides
10/30/1990US4967003 Propylamines, and their use as fungicides
10/30/1990US4966988 Chlorination followed by fluorination of m-xylene to form 3-trifluoromethyl-benzyl chloride; cyanation
10/30/1990US4966726 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases
10/30/1990CA1275651C Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof
10/24/1990EP0280992B1 Cyclohexene carboxylic-acid esters, process for their preparation and their use
10/24/1990CN1046329A Process for preparing norcamphanyldinitriles
10/24/1990CN1046292A Ammoxidation of paraffins and catalysts therefor
10/23/1990US4965393 Vapor phase catalytic ammoxidation of propylene
10/23/1990US4965362 Reacting water with acrylonitrile in presence of a base
10/23/1990US4965274 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same
10/23/1990CA1275419C Second harmonic generation with schiff bases
10/23/1990CA1275399C Attrition resistant catalysts, catalyst precursors and catalyst supports
10/17/1990EP0392286A1 3-Cyano-4-phenyl-pyrrole derivatives
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/16/1990US4963584 Pyrethroidal composition comprising more than one active ingredients
10/09/1990US4961876 Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids
10/09/1990CA1275114A1 Oculoselective b-blockers
10/09/1990CA1275108A1 Insecticidal composition comprising more than one active ingredients
10/05/1990WO1990011998A1 Process for producing norcamphanedicarbonitriles
10/04/1990DE4004281A1 Mesogene und promesogene nichtracemische chirale verbindungen Mesogenic and non-racemic chiral compounds promesogene
10/03/1990EP0389701A1 Ammoxidation of paraffins and catalysts therefor
10/03/1990CN1045771A Substd. trifluorethyl esters of phenylacetic acid, processes for preparation and use as pesticides thereof
10/02/1990US4960921 Catalysts for ammoxidation, oxydehydrogenation and oxidation
09/1990
09/26/1990EP0389255A1 Process for producing molybdenum bismuth-containing metal oxide catalyst
09/26/1990EP0388587A1 Process for the industrial Knoevenagel synthesis
09/25/1990US4959487 Process for producing aromatic nitrile
09/25/1990US4959467 Control of product selectivity in the addition of HCN to arabinose
09/25/1990US4959391 Lipoxygenase inhibitors, leukotriene diseases
09/25/1990CA1274545A1 3-(3-iodopropargyloxy)-propionitrile, a process for its preparation and its use
09/25/1990CA1274544A1 Process for the selective hydrogenation of unsaturated compounds
09/25/1990CA1274536A1 Enol ethers and a process for their preparation and o-pyrones and a process for their preparation and the use thereof
09/18/1990US4958045 Enamines, bactericides, animal growth regulators
09/18/1990US4958042 Dimerization of acrylonitrile
09/18/1990CA1274248A1 METHOD OF PREPARING .alpha.-ARYLALKANOIC ESTERS
09/18/1990CA1274245A1 [hexakis(pentenenitrilo)nikel ii] bis-[mu- (cyano) bis(triphenylborane) (i)], its method of preparation and its use
09/12/1990EP0387058A1 Process for preparing benzylpyruvic acids and esters
09/11/1990US4956490 Process for preparing benzylpyruvic acids and esters
09/09/1990CA2011782A1 Process for preparing benzylpyruvic acids and esters
09/05/1990EP0385874A1 Functionalisation at position (n+1) of aryl derivatives disubstituted at position n and (n+2)
09/03/1990CA2011348A1 Process for functionalizing n and (n+2) disubstituted arylic derivatives in the (n+ 1) position
08/1990
08/29/1990EP0384392A1 Cyanation of haloaromatics utilizing catalysts generated in situ starting with NiCl2 or NiCl2 6H2O
08/29/1990EP0384198A1 Process for the separation of ammonium sulfate from waste streams with high content of tar coming from the preparation of (meth) acrylonitrile
08/29/1990EP0257295B1 (z)-2-cyano-2-oximino-acetyl chlorides, and process for their preparation
08/29/1990CN1044936A Fluorinated derivatives of 3-ethenyl-2, 2-dimethyl cyclopropane carboxylic acid, their preparation process, their use as pesticides and compositions coutaining them
08/29/1990CN1009339B Process for production of composite oxide catalysts
08/28/1990US4952720 Ortho-substituted benzyl carboxylates and fungicides which contain these compounds
08/28/1990US4952718 Reduction of cyanohydrins
08/23/1990WO1990009987A1 Polynitrogenous derivatives and their metallic complexes which can be used for oxygen fixation
08/23/1990CA2027578A1 Polynitrogen derivatives and their metal complexes used for oxygen fixation
08/22/1990EP0383690A1 Derivatives of 2-amino-pentanedioic acid, process for their preparation and intermediates, their use as medicines and compositions containing them
08/22/1990EP0383598A1 Process for producing molybdenumcontaining metal oxide fluidbed catalyst
08/22/1990CN1009273B Process for the preparation of certain pairs of enantiomers of 2-cyano-3-phenoxy-4-fluorobenzyl permethrate
08/21/1990US4950795 Oligomeric benzil ketals and their use as photoinitiators
08/21/1990US4950778 Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents
08/21/1990US4950774 2-5,disubstituted-7,7,8,8-tetracyanoquinodimethanes
08/21/1990US4950732 Condensation copolymers containing bis-methine moieties and products therefrom
08/21/1990CA2010159A1 Cyanation of haloaromatics utilizing catalysts generated in situ starting with nic1 or nic1 6h 0
08/16/1990DE3904327A1 Process for the preparation of trans-1,3-substituted cyclobutane derivatives
08/14/1990US4948910 Heating, pressurization and contacting with oxygen to form an unsaturated aliphatic nitrile
08/14/1990US4948909 Process for the preparation of iminodiacetonitrile and iminodiacetic acid
08/14/1990US4948812 1-phenoxy-3-amino-2-propanols use thereof
08/14/1990CA1272731A1 Anthracene derivatives
08/14/1990CA1272723A1 Process for the preparation of new phenol derivatives
08/08/1990EP0381623A1 Process for the production of substituted cyclopropanals
08/08/1990EP0381369A1 Process for the production of nitriles and oxides
08/08/1990EP0381330A1 Fungicides
08/08/1990CN1044413A Reaction processes in a multi-stage fluidized bed
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