Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
11/2002
11/13/2002CN1379756A Substituted nor bornylamino derivatives, method for production thereof, use thereof as medicament or diagnostic reagent medicaments containing said compounds
11/13/2002CN1379022A Process for preparing 2-fluoro-6-chlorophenyl nitrile
11/13/2002CN1378877A Catalyst for preparing 2-fluoro-6-chlorophenyl nitrile by ammonia oxidization method and its preparing process and application
11/13/2002CN1094124C Method for purifying lactams
11/13/2002CN1094123C Process for synthesizing 3,3-dialkoxyl propionitrile
11/13/2002CN1094073C Fluidized bed catalyst for production of acrylonitrile
11/12/2002US6479692 Reacting a keto-carboxy derivative with a substituted aniline to form an amide and treating to form an acylanilide
11/12/2002US6478968 Method for filtering a three-phased reaction mixture
11/07/2002WO2002088085A2 Methods and intermediates for preparing 4-aminoquinoline cetp inhibitors
11/07/2002WO2002088070A1 Methods of synthesizing acylanilides including bicalutamide and derivatives thereof
11/07/2002WO2002088069A2 Compounds useful as intermediates for 4-aminoquinoline derivatives
11/07/2002WO2002012173A3 Process for making 3-hydroxyalkanenitriles and hydroxyaminoalkanes
11/07/2002US20020165416 Efficiently producing a compound having an alkyl group or alkenyl group bonded at the alpha position of an electron attractive group, by catalytic radical addition reaction with compound of Group 5,6,7,8, or 9
11/07/2002US20020165411 Sterically hindered phosphine ligands and uses thereof
11/07/2002US20020165406 Methods of synthesizing acylanilides including bicalutamide and derivatives thereof
11/07/2002US20020162796 Method of preparing refined organic compound for use in photography with improved liquid-liquid extraction from organic reaction mixture
11/07/2002CA2445693A1 Compounds useful as intermediates for 4-aminoquinoline derivatives
11/07/2002CA2445623A1 Methods for preparing cetp inhibitors
11/06/2002EP1254884A2 Preparation of vinyl ethers from alcohols and alkenes
11/06/2002EP1254881A1 Process for producing aryl ether
11/06/2002EP1254713A1 Molybdenum-bismuth-iron containing metal oxide catalyst for fluidized layer, method for preparation thereof, and use thereof
11/06/2002EP1254710A2 Single crystalline phase catalyst
11/06/2002EP1254709A2 Recalcined catalyst
11/06/2002EP1254708A2 Production of a catalyst by mixing of components at high temperature
11/06/2002EP1254707A1 Method for improving a vanadium based mixed metal oxide catalyst by treating it with a liquid, the catalyst thereby obtainable and its use in oxidation and ammoxidation reactions
11/06/2002EP1254706A2 Annealed and promoted catalyst
11/06/2002EP1254105A1 Method for producing alkoxy malonic acid dinitriles
11/06/2002EP1007507B1 Process for preparing 2-cyanoindan-1-ones
11/06/2002CN1377900A Free-radical polymerised compound
11/05/2002WO2001085673A1 Phenyl-substituted 2-enamino-keto nitriles
11/05/2002US6476269 Reacting xylene in a vapor-solid catalytic manner with ammonia and oxygen-containing gas to ammoxidize and form phthalonitrile; trapping with solvent; adding liquid ammonia without separating the phthalonitrile for hydrogenation
11/05/2002US6476026 Compounds and compositions as protease inhibitors
11/05/2002US6475948 Sb-Re composite oxide catalyst ammoxidation
11/05/2002CA2408209A1 Phenyl-substituted 2-enamino-keto nitriles
10/2002
10/31/2002WO2002085843A2 Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic compounds
10/31/2002WO2002085842A2 Method for isomerization of branched unsaturated mononitriles into linear unsaturated mononitriles
10/31/2002WO2002085838A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
10/31/2002WO2002048072A3 Organic reactions with co generating materials
10/31/2002US20020161262 Use treating various medical conditions, including pain
10/31/2002US20020161256 Orthorhombic phase mixed metal oxide of vanadium, molybdenum and/or tungsten, one of tellurium and selenium, and at least one other element; oxidation catalysts for production of acrylic acid or acrylonitrile
10/31/2002US20020161227 By reacting a phosphazenium compound with Q as counteranion with a halogenated aromatic compound to substitute at least one halogen atom with Q
10/31/2002US20020161021 Beta hydroxy ketone treated with trialkylborane or dialkylalkoxyborane followed by recovery and reuse of alkylborane
10/31/2002US20020158223 Reacting a primary or secondary alcohol with acrylonitrile in presence of an alkali metal hydroxide to obtain alkyloxypropionitrile, adding water without removing alkali metal hydroxide to effect hydrogenation using a catalyst
10/31/2002CA2443946A1 Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic compounds
10/30/2002EP1251822A1 Novel coupler for use in oxidative hair dyeing
10/30/2002EP1105359B1 Solid phase synthesis of compounds by carbon-carbon bond forming mitsunobu reactions
10/30/2002CN1377339A Method for producing cyanoacetic acid esters
10/30/2002CN1377338A Insoluble lewis promoters for nickel-catalysed hydrocyanation of monoolefins
10/30/2002CN1093532C Process for preparing raw powder of fenpropathrin with content larger than 90%
10/29/2002US6472553 Synthesis of new polynitriles from cycloalphatic vicinal primary diamines
10/29/2002US6472552 Promoted multi-metal oxide catalyst
10/29/2002US6472544 Process for the preparation of optically active 2-[6-hydroxymethyl)-1,3-dioxan-4yl]acetic acid derivatives
10/29/2002US6472349 Pyridine-2,3-dicarboxylic acid diamides
10/29/2002CA2291068C Method for the preparation of citalopram
10/24/2002WO2002083695A1 Ligands for pnicogen chelate complexes with a metal of subgroup viii and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation
10/24/2002WO2002083302A1 Method for producing molybdenum-bismuth-iron containing composite oxide fluid bed catalyst
10/24/2002US20020156315 Reacting acrylonitrile with cycloaliphatic vicinal diamines in the presence of water and an acid catalyst with pKa of -3.0-7. 5
10/24/2002US20020156295 Coordination catalyst containing ligand
10/23/2002EP1250313A1 Monohydrate of cis-lithium-cyano-4- 3-(cyclopentyloxy)-4-methoxyphenyl]cyclohexanecarboxylate
10/23/2002EP1250312A1 Method for the hydrocyanation of unsaturated organic compounds
10/23/2002EP1250311A1 Asymmetric synthesis of pregabalin
10/22/2002US6469224 Reacting a phosphazenium compound with a halogenated aromatic compounds, especially chlorinated aromatic compounds
10/22/2002US6469194 Production of nitriles via hydrocyanation of ethylenically unsaturated organic compounds
10/22/2002US6469173 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates
10/21/2002WO2001068743A2 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
10/21/2002CA2406787A1 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
10/17/2002US20020151719 Vapor phase fluid catalysis with alkali metal enables recycling and reuse of unreacted ammonia; fluidization to remove heat of reaction
10/16/2002EP1249274A1 NOx treated mixed metal oxide catalyst for use in oxidation and ammoxidation reactions of alkanes
10/16/2002EP1248767A2 Separation of the products of polyamide ammonolysis
10/16/2002CN1374965A Hydroformylation using multidentate phosphite ligands
10/16/2002CN1374943A Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions
10/16/2002CN1374942A Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions
10/16/2002CN1374941A Process and intermediates for making 4-cyanosubstituted cyclohexanoic acids
10/16/2002CN1374935A Hydroformylation process utilizing multidentate phosphite ligands
10/16/2002CN1374886A Hydroformylation of unsaturated compounds using polymeric phosphite ligands
10/16/2002CN1374885A Catalysts for the ammoxidation of alkanes
10/16/2002CN1092540C Oxidation fluidized bed catalyst for ammoxidiation of propylene
10/16/2002CN1092539C Fluidized bed catalyst for ammoxidation of propylene to produce acrylonitrile
10/15/2002US6465684 Process for the separation of a mixture of enantiomers
10/15/2002US6465664 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
10/15/2002US6465657 Method of preparing refined organic compound for use in photography with improved liquid-liquid extraction from organic reaction mixture
10/15/2002US6464895 Reagent and process which are useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function
10/10/2002WO2002079136A1 Enantiomerically selective cyclopropanation
10/10/2002CA2442934A1 Enantiomerically selective cyclopropanation
10/09/2002EP1246794A1 Process and intermediates for preparing a cyclohexylnitrile
10/09/2002EP1246696A2 Oxidative reactions using membranes that selectively conduct oxygen
10/09/2002CN1373789A Thermal separation method for mixing polymers
10/09/2002CN1373749A Process for production of acrylonitrile using direct contact spray heat exchange in absorber
10/09/2002CN1373748A Treatment of nitriles with glycolic acid
10/09/2002CN1373745A 3-amino-2-benzyl-1-phenyl-propane derivs.
10/09/2002CN1373741A Improved metal-ligand complex catalyzed processes
10/09/2002CN1373124A Process for preparing N-phenylamino acetonitrile
10/09/2002CN1373123A Process for gas phase ammonoxidation of alkane
10/08/2002US6462220 Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine
10/08/2002US6462219 Reacting acrylonitrile with water in presence of a weak base, heating and cooling; separating aqueous phase; distilling off acrylonitrile, pyrolysis in presence of basic catalyst; isolating 3-hydroxypropionitrile by fractional distillation
10/08/2002US6462218 By hydrolytic cleavage carried out in the presence of acids and water of its amide, ester or cyano derivatives
10/08/2002US6462076 Beta-amino acid nitrile derivatives as cathepsin K inhibitors
10/08/2002US6461996 Halogen promoted multi-metal oxide catalyst
10/03/2002WO2002076940A2 Process for preparing arylpiperidine carbinol intermediates and derivatives
10/03/2002WO2000014055A3 Method for producing cyanovaleric acid or esters thereof
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