Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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11/18/2004 | WO2004099113A1 Process for converting a hydrocarbon to an oxygenate or a nitrile |
11/18/2004 | US20040230071 Process for the carbonylation of pentenenitrile |
11/18/2004 | US20040230070 Catalyst for selective oxidation and amoxidation of alkanes and/or alkenes, particularly in processes for obtaining acrylic acid, acrylonitrile and the derivatives thereof |
11/18/2004 | US20040229949 New 3-aryl propionic acid derivatives and analogs |
11/17/2004 | EP1476420A1 Ammoxidation of hydrocarbons and hydrogenated metallo oxynitride catalysts therefor |
11/17/2004 | CN1546463A Method for reducing benzyl alcohol in benzyl cyanide |
11/17/2004 | CN1176064C Method for preparing aminonitrile and diamine |
11/16/2004 | US6818588 NOx treated mixed metal oxide catalyst |
11/16/2004 | CA2236117C Process for producing optically active cyanohydrins |
11/11/2004 | US20040225156 Catalytic hydrogenation of 3-cyano-3,5,5,trimethylcyclohexanone using ammonia and hydrogen; hydrogenation catalyst containing alkali metal oxide with oxides of cobalt , manganese and phosphorous |
11/11/2004 | US20040222078 Recycle of condensed quench overheads in a process for purifying acrylonitrile |
11/11/2004 | DE10323803A1 Verfahren zur Isomerisierung von cis-2-Pentennitril zu trans-3-Pentennitril A process for the isomerization of cis-2-pentenenitrile to trans-3-pentenenitrile |
11/10/2004 | EP1475369A1 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 |
11/10/2004 | EP1474405A2 Process for the preparation of 4-hetero-substituted phenylalanine derivatives |
11/10/2004 | EP1474382A1 Method for producing substituted 3-phenylamino-propane-1,2-diols |
11/10/2004 | EP1163051B1 Catalyst comprising a rhodium complex based on a phosphinamidite ligand and its use for hydroformylation |
11/10/2004 | EP1062200B1 Aminonitrile production |
11/10/2004 | CN1545500A Carbonyloxy-cyanomethyl compounds as antiparasitic agents |
11/10/2004 | CN1545499A Improved operation of head fraction column in acrylonitrile production |
11/10/2004 | CN1545498A Synthesis of unsaturated nitriles from lactones |
11/10/2004 | CN1174955C 3-amino-2-benzyl-1-phenyl-propane derivs. |
11/10/2004 | CN1174801C Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane |
11/04/2004 | WO2004094364A1 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile |
11/04/2004 | WO2004094343A1 NOVEL PROCESS FOR STEREOSELECTIVE REDUCTION OF ß-KETOESTERS |
11/04/2004 | US20040220434 Process for converting a hydrocarbon to an oxygenate or a nitrile |
11/04/2004 | US20040220424 Treating epoxide such as methyl 2-chloro-6-cyano-6-[3-(cyclopentyloxy)-4-methoxyphenyl]-1-oxaspiro[2.5]octane-2-carboxylate with dimethyl sulfoxide and alkali metal salt for preparing substituted cyclohexanoic acids such as cis-[4-cyano-4-(3-cyclopentyloxy-4-methoxyphenyl)cyclohexane-1-carboxylic acid |
11/04/2004 | US20040220423 Hemihydrogenation of a dinitrile to corresponding aminonitrile in a liquid medium in the presence of a nickel or Raney nickel catalyst comprising a doping element selected from rhodium or iridium |
11/04/2004 | US20040220055 Benzamidoacetonitriles and their use as antiparastics |
11/04/2004 | CA2522799A1 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile |
11/03/2004 | EP1473349A2 Organic electroluminescent devices, aminostyrylnaphthalene compounds and synthesis intermediates thereof, and production processes of the same |
11/03/2004 | EP1473286A1 Process for producing biaryl compound |
11/03/2004 | EP1473081A1 Catalyst for the selective oxidation and ammoxidation of alkanes and/or alkenes, particularly in processes for obtaining acrylic acid, acrylonitrile and the derivatives thereof |
11/03/2004 | EP1313698B1 Process for the preparation of substituted phenylacetonitriles |
11/03/2004 | EP1140832A4 Process for preparing arylpiperidine carbinol intermediates and derivatives |
11/03/2004 | CN1173938C Alpha-substitution of unprotected beta-amino ester compounds |
11/03/2004 | CN1173937C (3S,4S) and (3R,4R)-beta-methyl-gamma-hydroxy-alkyl nitrile and its preparation and use |
11/03/2004 | CN1173936C Quick cooling method for allyl nitrile |
11/03/2004 | CN1173935C Hydrocyanation method for ethylenically unsaturated organic compounds |
11/02/2004 | US6812368 Diastereoselective hydrogenation of 1,3-hydroxyketones |
11/02/2004 | US6812362 Amidation; efficiency, higher yields, performed at or near room temperature, energy savings |
11/02/2004 | US6812352 Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
11/02/2004 | US6812186 Using reaction product of diisopropylamine and metal hydroxide |
10/28/2004 | WO2004092114A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester |
10/28/2004 | WO2004091779A1 Method for producing metal oxide catalyst |
10/28/2004 | WO2004091776A1 Catalyst for acrylonitrile synthesis |
10/28/2004 | WO2004080924A3 Method of producing dinitrile compounds |
10/28/2004 | US20040215027 Locates chirality closer to the metal center than known metal phospholane complexes; provides high enantiomeric excesses |
10/28/2004 | US20040214199 comprising protected hydrazino, oxyamino and carbonyl-based groups biochemical immobilization; solid phase synthesis |
10/28/2004 | CA2522224A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester |
10/27/2004 | EP1470105A1 Liquid crystal compounds |
10/27/2004 | EP1470103A1 Amidoacetonitrile derivatives |
10/27/2004 | CN1541202A Statilisation of ethylenically-unsaturated compounds with amidoximes |
10/27/2004 | CN1539816A IL-8 receptor antagonist |
10/27/2004 | CN1172906C Cyanoethylation of alicyclic hypodiamine |
10/27/2004 | CN1172905C Process for producing of cyanobenzyamine of derivative |
10/26/2004 | CA2181238C Lewis acid catalyzed ammonolysis of nylon |
10/21/2004 | WO2004089879A1 Process for production of nitrile compounds |
10/21/2004 | WO2004089858A1 Method for the production of at least one partial oxidation and/or ammoxidation product of a hydrocarbon |
10/21/2004 | US20040210086 Methods for producing unsaturated carboxylic acids and unsaturated nitriles |
10/21/2004 | US20040210078 synergistic mixtures with phenols or phenothiazines; (meth)acrylic acid, (meth)acrolein, vinyl aromatics, (meth)acrylic esters, (meth)acrylonitrile, (meth)acrylamide, olefins, or C4 to C8 conjugated dienes; nitrilotris(acetamidoxime) or nitrilotris(propionamidoxime); polymerization inhibition |
10/21/2004 | DE10316039A1 Preparation of at least one partial oxidation and/or ammoxidation product of a hydrocarbon e.g. isobutane involves partially dehydrogenating saturated hydrocarbon under heterogeneous catalysis |
10/20/2004 | EP1467962A2 Continuous method for hydrogenation of nitriles or nitrated compounds to give amines |
10/20/2004 | CN1538954A Protected 3,5-dihydroxy-2, 2-dimethyl-valeronitriles for synthesis of epothilones and derivatives and method for preparaton and use thereof |
10/20/2004 | CN1538876A Novel catalytic formulation and its preparation method |
10/20/2004 | CN1171860C Process for preparing N-phenylamino acetonitrile |
10/14/2004 | WO2004087642A1 Process for recovery of pure acrylonitrile |
10/14/2004 | WO2004087314A1 System suitable for the hydrocyanation of olefinically unsaturated compounds |
10/14/2004 | US20040204603 Catalytic hydrogenation using nickel, cobalt or Raney catalyst; catalyst selectivity |
10/14/2004 | DE10314761A1 Als Katalysator für die Hydrocyanierung von olefinisch ungesättigten Verbindungen geeignetes System As a catalyst for the hydrocyanation of olefinically unsaturated compounds suitable system |
10/14/2004 | CA2520571A1 System suitable for the hydrocyanation of olefinically unsaturated compounds |
10/13/2004 | CN1535955A Method of preparing 2-phenyl-3-naphthyl propionic acid derivative |
10/13/2004 | CN1535954A Method of preparing 2-phenyl-3-naphthyl propionic acid derivative |
10/13/2004 | CN1170815C Improved process for recovery of acrylonitrile and methacrylonitrile |
10/07/2004 | WO2004085383A1 Process for production of 2-cyano-3-hydroxy-n-(4-tri- fluoromethylphenyl)hept-2-en-6-ynamide and process for production of polymorphs thereof |
10/07/2004 | US20040199002 Process for producing(2-nitrophenyl)acetonitrile derivative and intermediate therefor |
10/07/2004 | US20040199001 dehydrogenation of hydrocarbon gases in the presence of heterogeneous halogenation catalysts, to form unsaturated hydrocarbon intermediates, used to form unsaturated carboxylic acids and nitriles |
10/07/2004 | US20040199000 Catalytic dehydrogenation of hydrocarbons, to form unsaturated hydrocarbons, then ammoxidation to nitriles; catalysis |
10/07/2004 | US20040198999 One step, one pot metal triflate catalytic reaction; yield, selectivity |
10/07/2004 | US20040198985 Processes for preparing pesticidal intermediates |
10/07/2004 | DE10311763A1 Verfahren zur Herstellung von 2-Cyan-3-hydroxy-N-(phenyl)but-2-enamiden A process for the preparation of 2-cyano-3-hydroxy-N- (phenyl) but-2-enamides |
10/06/2004 | EP1464638A1 Process for producing erythro-3-amino-2-hydroxybutyric acid derivatives |
10/06/2004 | EP1360005B1 Compound suitable for producing a carbonylation catalyst system derived from a bis-phosphorinane |
10/06/2004 | EP1339672B1 Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile |
10/06/2004 | CN1535179A Latalyst system containing Ni(O) for hydrocyanation |
10/06/2004 | CN1169784C Process for preparing ester from acetic acid and chlorine cyanation in advance |
10/06/2004 | CN1169783C Fluidized bed catalyst for preparing acrylonitrile by ammoxidation |
10/06/2004 | CN1169759C Process for producing substituted aromatic compound |
10/05/2004 | CA2248157C Preparation of nitrobiphenyls |
10/05/2004 | CA2156576C Preparation of 3-aminomethyl-3, 5, 5-trimethylcyclohexylamine |
09/30/2004 | WO2004083165A1 Method for producing 2-cyan-3-hydroxy-n-(phenyl)but-2-ene amides |
09/30/2004 | WO2004083164A1 PROCESS FOR PRODUCING ω-CYANOALDEHYDE COMPOUND |
09/30/2004 | WO2004064994A3 Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation |
09/30/2004 | US20040192966 Mixed oxide oxidation catalyst containing molybdenum, vanadium, niobium and silver |
09/30/2004 | US20040188236 quickly vaporizing under vacuum the contaminated acrylonitrile as well as fresh acrylonitrile followed by contacting with hydrophilic agents in an extractive distillation column using plural number of packed sections |
09/29/2004 | EP1254713B1 Molybdenum-bismuth-iron containing metal oxide catalyst for fluidized layer, method for preparation thereof, and use thereof |
09/29/2004 | EP1210323B1 Treatment of nitriles with glycolic acid |
09/29/2004 | EP1171421B1 Process for the preparation of cyclopropylacetonitrile |
09/29/2004 | EP1144367B1 Alpha-substitution of unprotected beta-amino ester compounds |
09/29/2004 | CN1533220A Organic electroluminescent device, amino styryl naphtahalenc compound and its synthetic intermediate, and preparation of above compound and intermediate |
09/29/2004 | CN1532188A Metod and intermediate for preparing 4-cyanocyclo hexane carboxylic acid |