Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
03/2005
03/16/2005EP0812308B1 Method for synthesis of aryl difluoromethyl ethers and the like
03/16/2005CN1596261A Bidentate ligands for the carbonylation of unsaturated compounds
03/16/2005CN1596152A Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation
03/16/2005CN1594290A Process for absorbing and separating phthalonitrile gas
03/16/2005CN1594289A Process for separating and purifying phthalonitrile
03/16/2005CN1193009C Method for producing o-chlorobenzonitrile
03/16/2005CN1193008C Acrylonitrile quench method
03/16/2005CN1193007C Catalyst for preparing phthalonitrile, process for preparing such catalyst, and use thereof
03/15/2005US6867310 Synthesize efficiently and under mild conditions alpha -aryl and alpha -vinyl products from a wide range of starting materials, including ketones, esters, hydrazones, and imines, enantiomorphs
03/15/2005US6867298 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency
03/10/2005US20050054882 Diaryl ether condensation reactions
03/10/2005US20050054877 Enantiomerically selective cyclopropanation
03/10/2005US20050054870 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile
03/10/2005US20050054869 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same
03/10/2005US20050054855 Using a cooling tube of a partial vaporization type and a cooling tube of a complete vaporization type in combination in a specific arrangement to distribute the temperature in a fluidized catalyst bed uniformly and to stabilize the continuous process for a long time; 0.1 ppm of silica in water coolant
03/10/2005US20050054840 Method for the production of azo compounds
03/10/2005US20050054677 Process for preparing amine-substituted benzofurans
03/10/2005US20050054536 Reacting an cyanoacrylate compound with amidine compound
03/09/2005EP1512678A1 Process for preparing optically active nitro compounds and cyano compounds
03/09/2005EP1511720A1 Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof
03/09/2005EP1511565A2 Catalyst and process for the cyanation of aldehydes
03/09/2005EP1345972A4 Method for sterilizing cyanoacrylate compositions
03/09/2005EP1254881B1 Process for producing aryl ether
03/09/2005CN1592735A Novel alpha-oxygenated or alpha-thiolated carboxylic acid phenethylamide derivatives
03/09/2005CN1592725A Bidentate ligands of diolefin telomerization
03/09/2005CN1192025C Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
03/09/2005CN1192017C Method for preparing cyclohexane carboxylic acids
03/08/2005US6864397 E.g., 1-(4-(4-pentylcyclohexyl)cyclohexyldifluoromethoxy)-4 -trifluoromethoxybenzene; preparation from difluorocyclo-hexylidenes, e.g. 1-(4-(trans-4-propylcyclohexyl)cyclohexyl-difluoromethoxy)-3,4,5 -trifluorobenzene; liquid crystals
03/08/2005US6864394 Method for producing ketones from carboxylic acid anhydrides
03/08/2005US6864384 Mixed oxide ammoxidation catalyst
03/08/2005US6864290 Statine derivatives for the treatment of Alzheimer's disease
03/03/2005WO2005019160A1 Method of producing and separating dinitrile compounds
03/03/2005WO2005000463A3 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same
03/02/2005EP1509494A2 Amidoacetonitrile compounds
03/02/2005EP1509493A2 Deodorisation of cationic acetonitrile derivatives
03/02/2005EP1066250B1 A convergent synthesis of alpha-aryl-beta ketonitriles
03/02/2005CN1589255A Method for preparing of cationic surfactants and fabric softener composition using the same
03/01/2005US6861549 Production method of 4′-bromomethyl-2-cyanobiphenyl
03/01/2005US6861548 Continuous process for the cyanoalkylation of compounds having one or more NH functions
03/01/2005US6861532 Synthesis of 2-alkylcysteine
03/01/2005US6860971 Quenching ammoxidation reactor effluent stream including acrylonitrile, water, and organic impurities with an aqueous quench stream; passing cooled reactor effluent stream through an absorption column, passing stream through recovery/stripper
02/2005
02/23/2005EP1508567A2 Process for producing cyanobenzoic acid derivatives
02/23/2005EP1305279B1 Polymerization inhibitor for vinyl-containing materials
02/23/2005EP1214282B1 Hydroformylation process utilizing multidentate phosphite ligands
02/23/2005EP1212293B1 Insoluble lewis acid promoters for nickel-catalysed hydrocyanation of monoolefins
02/23/2005EP1140801B1 Hydrocyanation method for ethylenically unsaturated organic compounds
02/17/2005WO2005014531A1 Process for production of n-methacryloyl-4-cyano-3- trifluoromethylaniline, method for stabilization of the same, and process for production of bicalutamide
02/17/2005US20050038281 Simultaneous resolution and salt formation of enantiomeric forms; simple, high yield
02/17/2005US20050038082 Fungicides such as 2-hydroxy-N-[2-(3-methoxy-4-prop-2-ynyloxy-phenyl)-ethyl]-3-phenyl-propionamide; etherification, amidation, sulurization
02/16/2005EP1506163A1 Method for the catalyst-free production of alkoxybenzonitriles
02/16/2005EP1506162A2 Synthesis of benzonitriles and benzimidates
02/16/2005EP1506161A1 Continuous process for the cyanation of hydrogenated beta-ketoesters
02/16/2005EP1301471B1 Process for the purification and recovery of acetonitrile
02/16/2005CN1582272A Process for preparing 5-3cyanophenyl-3-formylbenzoic acid compound
02/16/2005CN1189450C Semihydrogenation method for dinitriles
02/16/2005CN1189449C Preparation for 3-hydroxyl-propionitrile
02/15/2005US6855849 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
02/10/2005US20050033086 Chemical intermediates for statins
02/10/2005US20050033081 Treating an animal for parasites
02/10/2005DE19638052B4 Adsorbens, Verfahren zum Herstellen sowie Verwendung des Adsorbens Adsorbent, methods of making and use of the adsorbent
02/09/2005EP1503982A1 Ammoxidation of carboxylic acids to a mixture of nitriles
02/09/2005EP1313560A4 CATALYST FOR AROMATIC C-O, C-N, and C-C BOND FORMATION
02/09/2005EP1237850B1 Glyoxyl acid amides
02/09/2005EP1210322B1 Method for carrying out the side chain bromination of 4-methyl biphenyl derivatives substituted at the 2'-position
02/09/2005CN1578760A Process for producing(2-nitrophenyl)acetonitrile derivative and intermediate therefor
02/09/2005CN1188214C Halogen promoted polymetallic oxie catalyst
02/08/2005US6852873 Preparation of styryl dyes
02/08/2005US6852669 Hydrogenation catalyst
02/08/2005US6852661 Catalyst comprising a metal complex of the VIII subgroup based on a phosphine amidite ligand and its utilization for hydroformylation and hydrocyanation
02/08/2005US6852199 Method for separating pentenenitrile isomers
02/02/2005EP1501788A1 Method for producing 3-trifluoromethylphenyl-4-cyanobenzyl ketone
02/02/2005CN1575202A Iron-containing material suitable for use as hydrogenation catalyst
02/02/2005CN1572754A Method for producing organic compound by substituting halogen atoms
02/02/2005CN1187321C Method for preparing p-fluorobenzonitrile by p-chlorobenzonitrile fluoro
02/02/2005CN1187320C Fluidized bed catalyst for preparing o-chlorobenzonitrile
01/2005
01/27/2005WO2004101498A3 Method for the hydrocyanation of unsaturated compounds
01/27/2005US20050020846 Processes for preparation of cyclopropylethanol, cyclo-propylacetonitrile and intermediates of both
01/27/2005US20050020439 Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same
01/27/2005DE10331211A1 Verfahren zur Herstellung von 4-Cyano-3-hydroxybuttersäureestern A process for the preparation of 4-cyano-3-hydroxybutyric
01/26/2005EP1500641A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same
01/26/2005EP1180095A4 4-cyano-3-hydroxy butanoyl hydrazines, derivatives and process for the preparation thereof
01/26/2005EP0970947B1 Process for producing butyric ester derivatives
01/26/2005CN1186316C Bis-dicyano-methylene-cyclohexane-ester derivatives and their synthesizing process
01/25/2005US6846958 Synthesis of benzimidate from benzoic acid
01/25/2005US6846946 Process for making organic products and improving the quality of non-product streams using phase transfer catalysis
01/25/2005US6846945 Using reaction product of Group 8 metal, phosphite and ligand as catalyst
01/20/2005WO2005005375A1 Method for producing 4-cyano-3-hydroxybutyric acid esters
01/20/2005US20050014966 Reacting 5-bromo-(3-hydroxymethyl)benzoic acid with manganese dioxide, to form 5-bromo-3-formylbenzoic acid, then with 3-cyanophenylboronic acid, to form carbocyclic carboxy nitriles used as chemical intermediates for anticoagulants
01/20/2005US20050014944 Process for producing a nitrile compound
01/19/2005EP1497299A2 Cross-metathesis of olefins directly substituted with an electron-withdrawing group using transition metal carbene catalysts
01/19/2005CN1568226A Phosphonites
01/19/2005CN1568225A Phosphinites
01/19/2005CN1568223A Method for producing ammoxidation catalyst
01/19/2005CN1566351A Process for producing optically active 2-[6-(hydroxymethyl)-1, 3-dioxan-4-yl]acetic acid derivatives
01/19/2005CN1566082A Microwave radiation ketone-nitrile condensation method adopting amine acetate catalysis
01/19/2005CN1566081A Methods for producing unsaturated nitriles
01/19/2005CN1185205C Iron-based catalyst for hydrogenating alpha, omega-dinitriles
01/18/2005US6844463 Method for the carbonylation of pentenoic acid and its derivatives thereof
01/18/2005US6844448 Main-group metal-based asymmetric catalysts and applications thereof
01/13/2005WO2005003063A2 Process for removal of acrolein from acrylonitrile product streams
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