Patents
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Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
11/1996
11/21/1996DE19518398A1 Verfahren zur Herstellung aromatischer Nitrile Process for the preparation of aromatic nitriles
11/21/1996CA2217709A1 Process for the preparation of substituted aromatic amino compounds
11/20/1996EP0743293A1 Process for producing biaryl compound
11/19/1996US5576469 Forming acrylonitrile or methacrylonitrile from propane or isobutane
11/19/1996CA2026722C Process for producing norcamphane dicarbonitriles
11/14/1996WO1996035659A1 Amination of electrophilic aromatic compounds by vicarious nucleophilic substitution
11/14/1996WO1996035656A1 Aromatic ether acylation process
11/14/1996WO1996035655A1 Aromatic ether acylation process
11/13/1996EP0741693A1 Process for the preparation of arylacetic ester derivatives via palladium-catalyzed cross coupling reaction
11/13/1996CN1135729A Method for the production of catalytically active multi-metal compositions containing the elements V and Mo in oxide form
11/12/1996US5574194 Pesticide intermediate
11/12/1996US5574182 Optically active compounds having plural chiral centers and production thereof
11/12/1996US5574181 Process for the preparation of an aminoitrile by partial hydrogenation of a nitrile compound with two or more nitrile groups
11/12/1996CA1338714C Insecticidal diacylhydrazine compounds and novel substituted and unsubstituted benzoic acid 1-alkyl, 2-alkyl and 2-cycloalkylhydrazides
11/07/1996DE19515989A1 Prodn. of carboxylic acid nitrile derivs.
11/06/1996EP0741127A1 Synthesis of cyanoacrylate esters by oxidation of aromatic selenyl cyanopropionates
11/06/1996EP0740648A1 Lewis acid catalyzed ammonolysis of nylon
11/06/1996CN1134854A Catalyst for oxidation of ammonia and method for prepn. of same
10/1996
10/31/1996WO1996033969A1 Method of hydrocyanating unsaturated nitriles into dinitriles
10/30/1996EP0739870A1 Process for the condensation of hydrogen cyanide with an aldehyde
10/30/1996EP0642493B1 Preparation of 6-aminocapronitrile
10/29/1996US5569783 Vicarious nucleophilic substitution to prepare 1,3-diamino-2,4,6-trinitrobenzene or 1,3,5-triamino-2,4,6-trinitrobenzene
10/29/1996US5569776 Process for the preparation of 4-fluoroalkoxycinnamonitriles
10/23/1996CN1134121A Catalyst based on Fe, Co, Bi and Mo oxides
10/22/1996CA2030556C Process for producing norcamphane dicarbonitriles
10/16/1996EP0737666A1 Depolymerization of polyamides
10/16/1996CN1033028C Process for preparing new derivatives of 2,2-dimethyl cyclopropane carboxylic acid
10/15/1996CA2174059A1 Depolymerization of polyamides
10/10/1996WO1996031465A1 PROCESS FOR PRODUCING α,β-UNSATURATED NITRILE
10/08/1996US5563298 Stilbene-based materials, their preparation and use
10/03/1996WO1996030379A1 Catalyst and process for preparing amides
10/02/1996EP0734363A1 Fluorination process
10/02/1996DE19612188A1 2-cyano-acrylic acid production
10/02/1996CN1132115A Galvano-chemistry prepn. method of catalyst on basis of transition metal and phosphine
09/1996
09/26/1996WO1996029303A1 Process for hydrocyanation in the presence of zero-valent nickel, a bidentate phosphorous compound and a lewis acid
09/25/1996EP0733614A1 Reagent and process useful for attaching a substituted difluoromethyl group onto a compound with at least one electrophilic function
09/25/1996CN1131941A Chiral nitriles, their preparation and their use for the manufacture of verapamil and analogues
09/25/1996CN1131662A Perfluoro unsaturated nitrile compound and process for producing the same
09/25/1996CA2172450A1 Reagent and process for grafting a substituted difluoromethyl group on a compound containing a least one electrophilic function
09/24/1996US5559277 Process for preparing biphenyls using palladacycles as catalysts
09/24/1996US5559262 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
09/19/1996WO1996028401A1 Process for producing unsaturated organic compounds
09/18/1996CN1131146A Method for preparation of N|1-(2,4-dichlorophenyl)ethyl¨-2-cyano-3, 3-dimethyl butane amide
09/18/1996CN1131145A Acetonitrile purification via adsorption-based process
09/17/1996US5557004 Process for production of aliphaticαωaminonitriles
09/17/1996US5556984 Ammoxidation of saturated hydrocarbons
09/17/1996CA2032667C Process of producing 1,3,3-trimethyl-5-oxo-cyclohexane-carbonitrile
09/12/1996WO1996027582A1 PROCESS FOR PREPARING α,β-DIAMINOACRYLNITRILES
09/11/1996EP0731087A1 Process for the preparation of 2,4-dichloro-5-fluorobenzonitrile and 2,6-dichloro-3-fluorobenzonitrile
09/11/1996EP0731086A1 Process for the preparation of aromatic nitriles
09/11/1996EP0731083A1 Process for the producing of alkylcyclopentanone derivatives
09/11/1996EP0730574A1 Processes and catalyst compositions for hydrocyanation of monoolefins
09/11/1996EP0730570A1 Method for making intermediates useful in synthesis of retroviral protease inhibitors
09/11/1996EP0618896B1 Isomerisation process
09/10/1996US5554782 Preparation of dicyanobenzenes by ammonoxidation
09/10/1996US5554778 Imination, reductive hydrolysis
09/10/1996US5554663 α-aminoacetophenones as photoinitiators
09/06/1996WO1996026917A1 Process for producing acrylonitrile
09/05/1996DE19507463A1 Verfahren zur Herstellung von alpha,beta-Diaminoacrylnitrilen Process for the preparation of alpha, beta-Diaminoacrylnitrilen
09/04/1996EP0730007A2 Cyanation of systems containing double bonds
09/04/1996EP0729941A1 Process for producing keto nitrile derivative and hexenone derivative
09/04/1996EP0729940A2 Process for synthesizing fluorinated nitrile compounds
09/04/1996EP0628025B1 Purification of 6-aminocapronitrile
09/03/1996CA2015998C Process for the preparation of acyl cyanides in an anhydrous medium
08/1996
08/29/1996DE19506993A1 Malonic acid di:nitrile synthesis
08/28/1996EP0728734A1 Process for the preparation of aromatic amines
08/28/1996EP0249614B2 Oligomerization process
08/28/1996CN1032647C Ammonia oxidation process of sturated hydrocarbon
08/27/1996US5550217 Dye polyester materials in red shades with good fastness to thermomigration
08/22/1996WO1996025391A1 Reduction of ammonia wastes associated with ammoxidation processes
08/22/1996WO1996025157A1 Il-8 receptor antagonists
08/21/1996CN1129408A Ammoxidation catalyst composition
08/13/1996CA2023162C Process for the preparation of iminodiacetonitrile and iminodiacetic acid
08/08/1996WO1996023804A1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
08/08/1996WO1996023803A1 Ruthenium hydrogenation catalysts
08/08/1996WO1996023802A1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof
08/08/1996WO1996023766A1 Process for producing unsaturated nitriles
08/08/1996WO1996023765A1 Process for producing acrylonitrile
08/08/1996WO1996023764A1 2-ARYL-2-ALKYL-φ-ALKYLAMINOALKANE NITRILE RACEMATE SEPARATION PROCESS
08/08/1996WO1996023754A1 Method for synthesis of aryl difluoromethyl ethers and the like
08/08/1996WO1996023753A1 Improved process for reductive hydrolysis of nitriles
08/08/1996WO1996023582A1 Fluidized-bed reactor and reaction process using the same
08/08/1996CA2209656A1 Improved process for reductive hydrolysis of nitriles
08/08/1996CA2209379A1 Ruthenium hydrogenation catalysts
08/08/1996CA2209378A1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
08/08/1996CA2208039A1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof
08/07/1996EP0725049A1 Process for preparing aromatic olefins by palladacycle catalysis
08/07/1996EP0724481A1 METHOD FOR THE PRODUCTION OF CATALYTICALLY ACTIVE MULTI-METAL OXIDE COMPOSITIONS CONTAINING THE ELEMENTS V AND Mo IN OXIDE FORM AS THEIR MAIN COMPONENTS
08/06/1996US5543536 Monodentate phosphite and nickel catalyst composition for monoolefin hydrocyanation
08/01/1996WO1996022987A1 Process for the preparation of 1-(thiomethyl)-cyclopropaneacetic acid
08/01/1996WO1996022969A1 Process for the production of (1-hydroxycyclohexane)-acetronitrile
08/01/1996WO1996022968A1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
08/01/1996WO1996022967A1 Process for producing n-arylhydroxylamines and n-hetarylhydroxylamines
08/01/1996DE19502967A1 Verfahren zur Racemattrennung von 2-Aryl-2-omega-alkylaminoalkannitrilen A process for the resolution of racemic 2-aryl-2-omega-alkylaminoalkannitrilen
08/01/1996DE19502700A1 Verfahren zur Herstellung von N-Aryl- und N-Hetarylhydroxylaminen A process for the preparation of N-aryl and N-Hetarylhydroxylaminen
08/01/1996CA2211390A1 Preparation of n-aryl- and n-hetarylhydroxylamines
08/01/1996CA2208040A1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
07/1996
07/31/1996EP0723954A1 Acetonitrile purification via an adsorption-based process
07/31/1996EP0723934A1 Ammoxidation catalysts and their process of preparation
07/25/1996WO1996015102A3 2-cyanoacrylic acid esters
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