Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
05/2004
05/25/2004US6740765 Decarboxylating diester
05/25/2004US6740620 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
05/21/2004WO2003000652A8 Process for preparation of cyclohexanol derivatives
05/20/2004US20040097754 Three-dimensional catalyst support structure carrying reducible metal oxide with a Group 8 promoter metal; preparing a carboxylic acid or nitrile by adding an additional catalyst and oxygen source or ammonia
05/20/2004US20040097368 Preparation of a multimetal oxide material
05/19/2004EP1419141A1 Stabilisation of ethylenically-unsaturated compounds with amidoximes
05/19/2004EP1419140A1 Improved operation of heads column in acrylonitrile production
05/19/2004EP1419139A1 Synthesis of unsaturated nitriles from lactones
05/19/2004EP1418950A1 Solid-phase nucleophilic fluorination
05/19/2004DE10251680A1 Verfahren zur CaO-katalysierten Herstellung von Isophoronnitril Process for the CaO-catalyzed production of isophoronenitrile
05/19/2004CN1496971A Method of separating 3-aminovaleric nitrile conglomerate
05/19/2004CN1150148C Reagent and process which are useful for grafting substituted difluoromethyl group onto compound containing at least one electrophilic function
05/18/2004US6737540 Aminonitrile production
05/18/2004US6737539 Selective production of such as adiponitrile
05/18/2004CA2130915C Purification of 6-aminocapronitrile
05/18/2004CA2122254C The resolution of racemic verapamil
05/13/2004WO2004026812A3 Method for catalyst-free production of cyanophenols from methoxybenzonitriles
05/13/2004WO2003070666A3 Process for making organic products from non-product streams using phase transfer catalysis
05/13/2004US20040092761 CaO-catalyzed preparation of isophoronenitrile
05/13/2004US20040092593 Hypotensive agents; cardiovascular disorders
05/13/2004DE10249339A1 Verfahren zur Racematspaltung von 3-Aminopentannitril Procedures for the resolution of 3-aminopentanenitrile
05/12/2004EP1418172A2 Process for CaO catalysed preparation of isophorone nitrile
05/12/2004EP1289938B1 A process for the preparation of 2,2-dimethyl-5-(4-clorobenzyl) cyclopentanone and an intermediate useful therefor
05/12/2004EP1263713B1 Process for the carbonylation of pentenenitrile
05/12/2004EP1263709B1 Process for the carbonylation of ethylenically unsaturated compounds
05/12/2004EP1196375B1 Solid phase nitrile synthesis
05/12/2004EP1163208B1 Caspase inhibitors and uses thereof
05/12/2004EP1024139B1 Process for the preparation of optically active 2-(6-(hydroxymethyl)-1,3-dioxan-4-yl) acetic acid derivatives
05/12/2004CN1495168A Intermediate for preparing pesticide
05/12/2004CN1495158A Intermediate for preparing isoxazolinyl-3-acylbenzene and process for preparing said intermediate
05/11/2004US6734136 IR and/or SM promoted multi-metal oxide catalyst
05/11/2004CA2316821C Method for regenerating a hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions
05/06/2004WO2004037399A2 Multiphasic microchannel reactions
05/06/2004US20040087811 Process for the racemate resolution of 3-aminopentanenitrile
05/06/2004EP1415981A1 Aminonitrile production
05/06/2004EP1414569A2 Optically active catalysts comprising salen ligands and vanadium(iv), their preparation and use in the production of cyanhydrines
05/06/2004EP1414567A1 Catalyst system containing ni(0) for hydrocyanation
05/06/2004EP1326836B1 Process for making 3-amino-2-chloro-4-methylpyridine
05/06/2004DE10250254A1 Deodorizing aqueous solutions of cationic acetonitrile derivatives useful as bleach activators comprises treatment with a percarboxylic acid, a carboxylic acid and hydrogen peroxide
05/05/2004CN1148345C Process for producing hexaminocapronitrile and/or hexamethylenediamine
05/05/2004CN1148257C Catalysts for ammoxidation of alkanes
05/04/2004US6730809 Processes for the production of α-difluoromethyl ornithine (DFMO)
05/04/2004US6730808 Oxidative reactions using membranes that selectively conduct oxygen
05/04/2004US6730803 Production method of a beta -keto ester compound of claim 1, which comprises condensation of a 2-cyano-2,2-dimethylacetate solution to give 2-cyano-2,2- dimethylacetate of the formula (ii), and condensation thereof
04/2004
04/29/2004WO2004035528A1 Method for the production of a multi-metal oxide material
04/29/2004WO2004035527A1 Multimetallic oxide composition
04/29/2004WO2004035526A1 Process for producing aromatic nitrile compound
04/29/2004US20040082804 Phase transfer catalyst; laminar flow
04/29/2004US20040082796 Reacting a substituted benzonitrile with a cysteine compound
04/29/2004US20040082190 Multimetal oxide materials
04/29/2004DE10248584A1 Heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid, used to produce polymers for adhesives, involves using active multimetal oxide material containing e.g. molybdenum and vanadium
04/28/2004EP1413565A2 Method for optical resolution of 3-aminopentanenitrile
04/28/2004EP1412341A1 Process for the preparation of racemic citalopram and/or s- or r-citalopram by separation of a mixture of r- and s-citalopram
04/28/2004EP1412334A1 Pyrazoline derivatives and their use as pesticides
04/28/2004EP1412323A1 Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and derivatives and method for the production and use thereof
04/28/2004EP1263718B1 Novel use of phenylheteroalkylamine derivatives
04/28/2004EP1263715B1 Novel phenylheteroalkylamine derivatives
04/28/2004EP1263714B1 Novel phenylheteroalkylamine derivatives
04/28/2004EP1060158B1 Method for producing aliphatic alpha-, omega-diamines
04/28/2004EP1003718B1 Method for the production of n-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides
04/28/2004CN1492853A Ammoxidation of mixture of alcohols to mixture of nitriles to acetonitrile and HCN
04/28/2004CN1491936A Process for preparing alpha-methoxy methyl-beta-methoxy acrylonitrile
04/28/2004CN1491745A Mo-V-M-Nb-X oxide catalyst for selective hydrocarbon oxidation synthesied by water heat
04/27/2004US6727392 Such as 4b(s)-benzyl-7(s)-hydroxy-7(s)-(3,3,3-trifluoropropyl)4,5,6,7,8,8a(r),9,10 -octahydro-phenanthrene-2-carboxylic acid (2-methyl-pyridin-3-ylmethyl)-amide via catalytic reduction; transcription factors
04/27/2004US6727360 Coupling phenylmetaboric acid with 4-iodoisoxazole in presence of (1,1'-bis(diphenylphosphino)ferrocene) palladium (ii) chloride, sodium bicarbonate and solvent
04/27/2004CA2210337C Resolution of racemates of 2-aryl-2-alkyl-.omega.-alkylaminoalkane-nitriles
04/22/2004WO2004007435A3 Method for making nitrile compounds from ethylenically unsaturated compounds
04/22/2004WO2003097588A3 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
04/22/2004US20040077872 Palladium salt without a ligand being used as palladium catalyst; cheap, simple and commercially attractive process involving an optionally substituted aromatic bromide
04/22/2004US20040076567 Method for abatement of waste oxide gas emissions
04/21/2004EP1410836A2 Method for abatement of waste oxide gas emissions
04/21/2004EP1409125A1 Microencapsulated catalyst, methods of preparation and methods of use thereof
04/21/2004EP1171406B1 Method of producing biaryls
04/21/2004CN1491229A Coordination compounds and their use for polymerization of olefins
04/21/2004CN1490309A Preparation of tephthalyl intrile
04/21/2004CN1490080A Fluid-bed catalyst for ammoxidation of aromatic hydrocarbon
04/20/2004US6723869 Ammoxidation of propylene; fluidized bed; iron antimonate mixed oxide catalyst with molybdenum, bismuth and potassium
04/20/2004CA2136235C Method for purification of acetonitrile
04/18/2004CA2443911A1 Method for abatement of waste oxide gas emissions
04/15/2004WO2004031131A1 Improved syntheton synthesis
04/15/2004WO2004031107A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product
04/15/2004WO2004031106A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product
04/15/2004WO2003101939B1 Method for the preparation of halogenated benzonitriles
04/15/2004WO2003062188A3 Continuous method for hydrogenation of nitriles or nitrated compounds to give amines
04/15/2004WO2003002521A3 Method for production of azo compounds
04/15/2004US20040073032 Preparation of substituted aromatic compounds
04/15/2004DE10246119A1 Heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid, used to produce polymers for adhesives, involves using active multimetal oxide material containing e.g. molybdenum and vanadium
04/15/2004CA2500668A1 Improved syntheton synthesis
04/14/2004EP1407819A2 Hydrothermally synthesized Mo-V-M-Nb-X oxide catalysts for the selective oxidation of hydrocarbons
04/14/2004EP1406860A1 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
04/14/2004EP1220835B1 Process for the production of acrylonitrile using direct contact spray heat exchange in the absorber
04/14/2004EP1208081B1 Method for producing cyanoacetic acid esters
04/14/2004EP1104750B1 Processes for the preparation of 5-hydroxy-3-oxopentanoic acid derivatives
04/14/2004CN1145633C Hydroformylation using multidentate phosphite ligands
04/14/2004CN1145607C Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
04/14/2004CN1145580C Partial oxidation of hydrocarbon
04/14/2004CN1145531C Catalyst precursor composition
04/13/2004US6720458 Photooxidation catalyst and production process for aldehyde derivatives
04/13/2004US6720444 Selective hydrogenation of nitriles with a hydrogen containing fluid, catalyst, solvent and tetralkylammonium and/or tetraalkylphosphonium hydroxide
04/13/2004US6720169 By converting the corresponding acetal-protected aldehyde into the corresponding aminonitrile, converting the aminonitrile into the corresponding amino acid amide, and performing enzymatic, enantioselective hydrolysis
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