Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
09/2003
09/12/2003WO2002053518A3 HALOGENATED-α,β-UNSATURATED-β-(SUBSTITUTED-AMINO) CARBOXYLATE ESTERS
09/11/2003US20030171618 Process for producing organic compounds using nitrites
09/11/2003US20030171609 Aminonitrile production
09/11/2003US20030171608 Transition metal-catalyzed hydrogenation, hydroborination and hydrocyanation of prochiral olefins, ketones and imines.
09/11/2003US20030171592 A nitro ketone or a cyano ketone is reacted with a hydrogen-donor in the presence of a transition metal compound catalyst having an optically active nitrogen asymmetric ligand to form the alcohol and reducing to the amine
09/10/2003EP1342715A2 Process for producing oximes using nitirites
09/10/2003EP1341799A1 P-chirale bisphospholane ligands, their transition metal complexes
09/10/2003EP1341751A1 tROCESS FOR MAKING 5-CYANOVALERIC ACID, ADIPIC ACID OR DIMETHYL ADIDPATE
09/10/2003EP1341750A1 Method for the carbonylation of pentenoic acid and derivatives thereof
09/10/2003EP1341743A2 Organic reactions with co generating materials
09/10/2003EP1341742A1 Method for producing compounds having a cf2o bridge
09/10/2003EP1127047B1 Hemihydrogenation method for dinitriles
09/10/2003EP1032557B1 Method for preparing bromomethyl-biphenyl derivatives
09/10/2003CN1440963A Ethanol ammoxidizing process to synthesize high-purity acetonitrile
09/09/2003CA2360287C Crystalline base of citalopram
09/04/2003US20030166462 Solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F for producing Knoevenagel or Michael condensation reactions. The invention also concerns novel solid basic
09/03/2003EP1339672A1 Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
09/03/2003CN1440373A Process for the catalytic oxidation of hydrocarbons
09/02/2003US6613948 Reacting the corresponding chlorobenzene or (chloro, fluoro)-benzene derivatives with potassium fluoride in solvent; distillation; tetrachloro benzotrifluoride, -benzoyl fluoride, or -benzonitrile as starting materials
09/02/2003US6613939 Acidifying solution of water soluble sulfonated organophosphorus compounds to reduce concentration of sulfite; compounds useful as two-phase catalysts for carbonylation, hydroformylation, hydrocyanation and isomerization
09/02/2003US6613930 Contacting 2-amino-4-nitrotoluene with HR/NaNO3 followed by heating; hydrogenation to reduce nitro group to amino group; reacting with NaNO2/HCl; adding cyanate source; oxidation to obtain 4-cyanobenzoic acid derivative
08/2003
08/28/2003WO2003070689A2 Polymer bound donor-acceptor-donor compounds and their use in a 3-dimensional optical memory
08/28/2003WO2003070677A1 Fluorination of dicarbonyl compounds
08/28/2003WO2003070666A2 Process for making organic products from non-product streams using phase transfer catalysis
08/28/2003CA2477201A1 Polymer bound donor-acceptor-donor compounds and their use in a 3-dimensional optical memory
08/28/2003CA2476118A1 Process for making organic products from non-product streams using phase transfer catalysis
08/27/2003CN1119324C 3-cyano-2,4.5-trifluoro-benzoyle fluoride and intermediate preparation thereof
08/27/2003CN1119323C Process for preparation of malononitrile
08/27/2003CN1119322C Process for alkylation of alkyl-or benzylcyanogen derivatives in presence of trialkylamines or-phosphines
08/26/2003US6610874 Esterification of an amine protected aminoalcohol; nucleo-philic substitution with cyano group
08/26/2003US6610629 Process for producing an oxide catalyst for oxidation or ammoxidation
08/21/2003WO2003068730A1 Method for producing substituted 3-phenylamino-propane-1,2-diols
08/21/2003WO2003068729A1 Method of producing nitrile compounds from compounds with ethylenic unsaturation
08/21/2003WO2003068725A2 Process for the preparation of 4-hetero-substituted phenylalanine derivatives
08/21/2003US20030158435 Process for making organic products and improving the quality of non-product streams using phase transfer catalysis
08/21/2003US20030158185 Novel use of phenylheteroakylamine derivatives
08/21/2003CA2476139A1 Process for the preparation of substituted 3-phenylaminopropane-1,2-diols
08/20/2003EP1335988A2 Synthesis of chiral intermediates useful in preparing pharmacologically active compounds
08/20/2003EP1335897A1 Production of 6-aminocaproic acid
08/20/2003EP1220834B1 Method for the production of cyanoacetic acid esters
08/20/2003EP1196376B1 Compounds from epoxidised nitriles, process for their production and use as cleaning agents
08/20/2003EP1171420B1 Method of producing acetone-cyanhydrin
08/20/2003EP1165498B1 Method for hemihydrogenating dinitriles to form aminonitriles
08/20/2003EP1077212B1 Process for producing 6-cyanomethyl-1,3-dioxane-4-acetic acid derivatives
08/20/2003EP1071657B1 Method for purifying aliphatic aminonitriles
08/20/2003EP1071653B1 Iron-based catalyst for hydrogenating alpha-, omega-dinitriles
08/20/2003CN1437579A Method for removing 6-aminocapronitrile from mixtures that contain 6-amino capronitrile adipodinitrile and hexamethylenediamine
08/20/2003CN1436771A 3-Cyan-2,4,5-trifluoro-benzene formyl fluorine and intermediate produced therefor
08/19/2003US6608226 Low cost
08/19/2003US6608209 Reacting a nitro-o-methylphenyl compound with an organic nitrite in presence of a base to give an oxime, cyclizing the oxime with an alkene in presence of a base to give an intermediate, reducing nitrogroup in presence of catalyst
08/19/2003CA2043733C Aromatic compounds
08/14/2003WO2003066546A1 Process for producing biaryl compound
08/14/2003US20030153691 Catalyst Supports comprising an addition polymer grafted with an aromatic diol, phosphorization, and metallization; use as hydroformylation and isomerization catalysts
08/13/2003EP1023279B8 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
08/13/2003CN1436168A Beta-amino acid nitrile derivs.
08/13/2003CN1436167A Preparation of iminodiacetic acid compounds from monoethanolamine substrates
08/13/2003CN1117729C Process for preparing acrylonitrile or methyl acrylonitrile by ammoxidation of propylene or isobutylene
08/13/2003CN1117728C Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
08/13/2003CN1117723C Process for preparation of aldehyde
08/12/2003US6605748 Reaction mixtures for metathesis
08/12/2003US6605747 Reacting the starting material, an alpha , alpha -difluorocyclohexylidene derivative with a halogen to produce an intermediate, reacting the intermediate with a phenol compound in presence of a base
08/12/2003US6605745 Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts
08/12/2003US6605137 Contacting an oxygen-containing fluid and a hydrocarbon with an ammonia vapor containing anti-foaming agent and is substantially free of water, to effect the production of nitrile
08/07/2003WO2003064381A1 Liquid crystal compounds
08/07/2003WO2003064035A1 Method for the oxidative dehydrogenation of ethane
08/07/2003US20030149291 Aminonitrile production
08/07/2003US20030149290 Aminostyrylanthracene compound, synthetic intermediate thereof, and process for production thereof
08/07/2003US20030149281 Protected 3,-5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production
08/06/2003EP1332177A2 Nitrile process
08/06/2003CN1117073C Method for hydrogenating dinitriles
08/06/2003CN1117072C Waste minization and product recovery process
07/2003
07/31/2003WO2003062210A1 Process for preparation of pyrimidinyl alcohol derivatives and intermediates for the synthesis thereof
07/31/2003WO2003062207A1 Process for producing 3-unsubstituted 5-amino-4-nitrosopyrazole compound, and 2-hydroxyimino-3-oxopropionitrile, 3-hydrazono-2-hydroxyiminopropionitrile compound, and processes for producing these
07/31/2003WO2003062188A2 Continuous method for hydrogenation of nitriles or nitrated compounds to give amines
07/31/2003WO2003040159A8 Bidentate ligands for the carbonylation of unsaturated compounds
07/31/2003WO2002096862A3 Environmentally friendly process for the hydrogenation of dinitriles
07/31/2003US20030144552 Method for hydrogenating nitrile functions into amine functions
07/31/2003US20030144540 N-cyanoethylated ortho and meta toluenediamine compositions and process for making them
07/31/2003US20030144539 Catalyst compositions for the ammoxidation of alkanes and olefins, methods of making and of using same
07/31/2003US20030144538 Method for producing alkoxy malonic acid dinitriles
07/31/2003US20030144533 Synthetic intermediate for epothilone derivative and production method thereof
07/31/2003US20030144440 Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions
07/30/2003EP1330464A2 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation
07/30/2003EP1330431A2 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
07/30/2003CN1433397A Method for the prepararation of enantiomerically enriched compounds
07/30/2003CN1116278C Process for simultaneously preparing 6-aimnocapronitrile and hexamethylene diamine
07/30/2003CN1116277C Process for preparing carbocylic or heterocyclic nitriles by vapor phase ammoxidation
07/29/2003US6600075 Preparing tertiary amine compounds from primary amines and nitrites in the presence of hydrogen gas and a metal catalyst, or metal-containing catalyst composition, at a temperature from about 50 degrees C. to about 200 degrees C.
07/29/2003US6600045 This invention relates to methods for preparing certain cholesteryl ester transfer protein (CETP) inhibitors and intermediates useful in the preparation of said CETP inhibitors.
07/29/2003US6599398 Recovery of adiponitrile from a mixture of adiponitrile, aminocapronitrile and hexamethylenediamine
07/29/2003CA2109231C Selective low pressure hydrogenation of a dinitrile to an aminonitrile
07/29/2003CA2093723C Process for the preparation of a biphenyl derivative
07/24/2003WO2003059868A1 Amidoacetonitrile derivatives
07/24/2003WO2003035250A8 Iron-containing material suitable for use as a hydrogenation catalyst
07/24/2003US20030139623 Catalyzing the decarboxylation and hydroxylation in the presence of an aqueous base and a phase transfer catalyst
07/24/2003CA2468423A1 Amidoacetonitrile derivatives
07/23/2003EP1328506A2 Novel intermediates for use in retinoid synthesis
07/23/2003CN1115329C Process for preparing p-nitrophenyl acetonitrile by directional nitrification
07/22/2003US6596897 Sodium-iron-bismuth-molybdenum composite oxide; ammoxidation of propylene over silica carrier
07/22/2003US6596879 Process for the synthesis of 1,3-diols
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