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