Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 253 - Preparation of carboxylic acid nitriles
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
06/2003
06/04/2003CN1422248A Process for the carbonylation of pentenenitrile
06/04/2003CN1421439A Process for producing insecticide intermediate
06/04/2003CN1110475C Process for purifying acrylonitrile
06/03/2003US6573397 Process for producing 3,4-dihydroxybenzonitrile
06/03/2003CA2265559C Method for preparing 4-methyl-biphenyl derivatives
05/2003
05/30/2003WO2003043976A1 Method for producing 3,4-dihydroxybenzonitrile
05/30/2003WO2003043735A2 Aromatic compounds containing nitrogen and p-functionalized amines, the production thereof and their use in catalytic reactions
05/29/2003US20030100789 Process for the preparation of 1,4-diaryl-2-fluoro-4-cyano-2-butenes and intermediates useful therefor
05/29/2003US20030100625 Microwave-assisted Heck arylations using dispersed palladium systems including magnesium oxide or alumina-silica supports; cinnamonitrile by reacting iodobenzene and acrylonitrile; Stille and Suzuki reactions; combinatorial chemistry
05/29/2003US20030100442 Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation
05/29/2003US20030098229 Photooxidation catalyst and production process for aldehyde derivatives
05/28/2003EP1313698A2 Process for the preparation of substituted phenylacetonitriles
05/28/2003EP1313694A1 Process for making n-aryl-anthranilic acids and their derivatives
05/28/2003EP1313560A1 CATALYST FOR AROMATIC C-O, C-N, and C-C BOND FORMATION
05/28/2003EP0999999B1 Method for preparing substituted benzyl bromides
05/28/2003CN1420861A Method for hydrogenating nitrile functions into amine functions
05/28/2003CN1420860A Process for carbonylation of ethylenically unsaturated compounds
05/28/2003CN1419965A Electric activation catalysis
05/27/2003US6570020 Reacting 2-(3,3,3-trifluoropropyl),2-hydroxy,4a-benzyl-7-carboxy-1,2,3,4,4a,9,10,10a -octahydrophenanthrene with 2-methyl-3-(aminomethyl)pyridine to form the corresponding pyridyl-substituted amide at position 7
05/27/2003US6569802 Catalyst for selective hydrogenation of dinitriles
05/22/2003WO2003042168A1 NOVEL α-OXYGENATED OR α-THIOLATED CARBOXYLIC ACID PHENETHYLAMIDE DERIVATIVES
05/22/2003WO2003042148A2 Process for producing bisbenzil compounds
05/22/2003WO2003042145A1 Processes for preparation of cyclopropylethanol, cyclo- propylacetonitrile and intermediates of both
05/22/2003WO2003042134A2 Process for the preparation of tertiary amines from primary amines and nitriles
05/22/2003WO2002076940A3 Process for preparing arylpiperidine carbinol intermediates and derivatives
05/22/2003WO2002026705A8 Highly enantiomerically pure lactam-substituted propanoic acid derivatives and their preparation
05/22/2003US20030097005 Method for the preparation of enantiomerically enriched compounds
05/22/2003US20030096796 N-cyanomethyl amides which are cysteine protease inhibitors; use treating diseases associated with activity of cathepsins B, K, L or S such as autoimmune disorders, allergic disorder, allogeneic immune response, cardiovascular disorders
05/22/2003US20030094381 Electroactive catalysis
05/22/2003CA2466442A1 Process for the preparation of tertiary amines from primary amines and nitriles
05/22/2003CA2464775A1 Novel alpha-oxygenated or alpha-thiolated carboxylic acid phenethylamide derivatives
05/21/2003EP1312411A2 Electroactive catalysis
05/21/2003EP1027316B1 Synthesis of aryl ethers, methods and reagents related thereto
05/21/2003EP0902011B1 Gamma-oxo-homophenylalanine derivatives and process for producing homophenylalanine derivatives by reducing the same
05/21/2003CN1419639A Pipe joint assembly and method for using same
05/21/2003CN1419473A Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane
05/21/2003CN1418868A Fluidized bed catalyst for preparing acrylonitrile by propene ammoxidation
05/21/2003CN1418867A Fluidized bed catalyst for preparing acrylonitrile by ammoxidation
05/21/2003CN1418866A Fluidized bed catalyst for preparing acrylonitrile
05/21/2003CN1418865A Fluidized bed catalyst for preparing acrylonitrile by propene ammoxidation
05/21/2003CN1418864A Quick cooling method for allyl nitrile
05/21/2003CN1418728A Method for prepn. of fluidized catalyst for prodn. of acrylonitrile
05/21/2003CN1109019C Method for producing aliphatic alpha, omega-amino nitriles
05/21/2003CN1108865C Catalyst for production of acrylonitrile
05/20/2003US6566571 Method of producing biaryls
05/20/2003US6566546 Reacting of phenylboronic acids with 4- bromo- or 4-iodo-alkyl- or -alkoxy-anilines or -anilides, possible deacylation and diazotization, followed by reaction with a nucleophile by sandmeyer reaction or a reducing agent
05/20/2003US6566540 Anidepressant
05/20/2003US6566297 Partial hydrogenation of a dinitrile by contacting with a hydrogen-containing fluid in an ammonium hydroxide solvent, a hydrogenation catalyst and additive tetraalkylammonium or phosphonium hydroxide; catalyst selectivity; efficiency
05/15/2003WO2003040159A2 Bidentate ligands for the carbonylation of unsaturated compounds
05/15/2003WO2003040065A2 Bidentate ligand for the telomerization of dienes
05/15/2003WO2002046293B1 Nitrile process
05/15/2003US20030092929 Using halogenated xylene compound; chemical intermediate for quinolone antibiotics
05/15/2003US20030092928 Reaction mixtures for metathesis
05/15/2003US20030092634 Novel compounds and compositions as protease inhibitors
05/15/2003CA2466252A1 Bidentate ligands for the carbonylation of unsaturated compounds
05/15/2003CA2466239A1 Bidentate ligand for the telomerization of dienes
05/14/2003EP1309542A2 Method for producing hydrolysis-stable ammonium nitriles
05/14/2003EP1309402A2 Improved catalyst for the manufacture of acrylonitrile
05/13/2003US6562994 Reacting a substituted halo- or sulfonylbenzene with an alpha, beta unsaturated propanamide; followed by epoxidation, reacting with a thiol and oxidizing; no chromatographic separations; uses less expensive starting materials
05/13/2003US6562989 Catalyst for aromatic C—O, C—N, and C—C bond formation
05/13/2003US6562965 Convergent synthesis of α-aryl-β-ketonitriles
05/08/2003WO2003037848A1 Method for the production of biphenyl-4-carbonitrile
05/08/2003WO2002026750A8 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation
05/08/2003US20030088128 Diaryl ether condensation reactions
05/08/2003US20030088118 Catalyst for use in catalytic oxidation or ammoxidation of propane or isobutane in the gaseous phase
05/07/2003EP1308437A1 Acylacetonitriles, process for preparation thereof and miticides containing the same
05/07/2003EP1308435A2 Process for producing optically active amino alcohols
05/07/2003EP1307428A1 Amelioration of ammonia breakthrough in an alkane ammoxidation process
05/07/2003EP1307427A2 Process for the cyanation of aldehydes
05/07/2003EP1307420A1 PROCESS FOR SYNTHESIS OF $g(a),$g(b)-UNSATURATED KETONES
05/07/2003EP1307418A2 Process for the preparation of chiral 1,4-diaryl-2-fluoro-2-butenes
05/07/2003EP1066249B1 Process for the manufacture of cyclopropanecarbonitrile
05/07/2003EP0749417B1 Cyano compounds and preparations thereof
05/07/2003CN1416418A Method for separation azepine derivative out of mixture contg. amine and azepine derivative
05/07/2003CN1416417A Process and intermediates for preparing cyclohexylnitrile
05/06/2003US6559333 Method for purifying aliphatic aminonitriles
05/06/2003US6559332 In presence of ruthenium catalyst and hydroxyaromatic carboxylate compound
05/06/2003US6559331 Metathesis of functionalized allylic cyanides
05/06/2003CA2126180C Isomerisation process
05/02/2003EP1306129A1 Preparation of a mixed metal oxide catalyst and its use in oxidation and ammoxidation reactions
05/02/2003EP1305327A2 Triphosphate oligonucleotide modification reagents and uses thereof
05/02/2003EP1305280A2 Process for making 3-hydroxyalkanenitriles and hydroxyaminoalkanes
05/02/2003EP1305279A2 Polymerization inhibitor for vinyl-containing materials
05/01/2003WO2003035250A1 Iron-containing material suitable for use as a hydrogenation catalyst
05/01/2003WO2003004459A3 Process for the preparation of nitrile compounds
05/01/2003WO2002054934A3 Method for sterilizing cyanoacrylate compositions
05/01/2003US20030083384 Formed via chemical reduction and hydrolysis with minimal use of halogenated solvents; comprises use of intermediates such as ethyl 2-benzylideneamino-2-difluoromethyl-4-cyanobutanoate
05/01/2003US20030083356 Statine derivatives for the treatment of Alzheimer's disease
04/2003
04/30/2003CN1414939A Process for recovery and recycle of D-tartaric acid
04/30/2003CN1413983A Quench process for raising recovery of acrylonitrile
04/30/2003CN1413982A High-recovery quench process of acrylonitrile
04/30/2003CN1413981A Quench process for recovery of acrylonitrile
04/30/2003CN1413980A Quench process of acrylonitrile
04/30/2003CN1413979A Fluidized-bed catalyst for preparing acrylonitrile by allylamine oxidation
04/30/2003CN1413766A Treatment of mixed metal oxide catalyst
04/30/2003CA2409906A1 Process for producing optically active amino alcohols and intermediates therefor
04/29/2003US6555706 Process for making iminodiacetic acid compounds from monoethanolamine substrates
04/24/2003WO2003033509A1 Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles
04/24/2003WO2003033458A1 Process for the preparation of halo-benzonitriles
04/24/2003WO2003033142A1 Phosphinites
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