| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 04/12/2006 | CN1250524C Method for preparing 2-cyanobiphenyl derivatives |
| 04/12/2006 | CN1250523C Process for preparing succinonitrile |
| 04/12/2006 | CN1250509C Method for stabilizing acrylic monomers |
| 04/12/2006 | CN1250508C Process for producing unsaturated carboxylic acid |
| 04/11/2006 | US7026498 Coordination catalyst containing ligand |
| 04/11/2006 | US7026473 Process for the carbonylation of pentenenitrile |
| 04/11/2006 | US7026345 Resolution of 3-amino alkylnitriles |
| 04/06/2006 | WO2006035457A1 A process for the manufacture of venlafaxine and intermediates thereof |
| 04/06/2006 | DE102004047794A1 Verfahren zur Hydrierung von a,ß-ungesättigten Carbonylverbindungen A process for hydrogenation of alpha, beta-unsaturated carbonyl compounds |
| 04/05/2006 | EP1641736A1 Method for isolating a homogeneous catalyst containing rhodium |
| 04/05/2006 | EP1521722B1 Method for removing water from a mixture containing water and zinc chloride |
| 04/05/2006 | CN1756737A Process for preparing 2-cyano-3-hydroxy-n-(phenyl)but-2-enamides |
| 04/05/2006 | CN1756736A Process for recovering acrylonitrile or methacrylonitrile |
| 04/05/2006 | CN1756735A Process for the preparation of an alpha-amino carbonyl compound |
| 04/05/2006 | CN1249022C Method for producing cyanovaleric acid or esters thereof |
| 04/05/2006 | CN1249006C Hydroformylation process utilizing multidentate phosphite ligands |
| 04/04/2006 | US7022876 Preparation of mandelic acid derivatives |
| 04/04/2006 | US7022866 Phosphonites |
| 04/04/2006 | US7022857 Preparation of substituted aromatic compounds |
| 04/04/2006 | CA2265513C Process for the manufacture of aliphatic alpha, omega amino nitriles |
| 03/30/2006 | US20060069282 Process for producing aromatic nitrile compound |
| 03/30/2006 | US20060069280 Contacting mixed metal oxide with liquid selected from organic acids, alcohols, inorganic acids and hydrogen peroxide; recovering insoluble material; calcining ; mixing with promoter (Au, Cu, Zn, Ag, Halogens) in solvent; removing solvent; calcining; unsaturated nitriles or acids from alkenes |
| 03/30/2006 | US20060069279 Process for the ammoxidation of alkanes and olefins |
| 03/30/2006 | US20060069265 Reacting cysteine (or a salt or an ester) and an aryl carboxylic acid to form a thiazoline ring; stereospecifically alkylating the thiazoline ring, and hydrolyzing the thiazoline ring to obtain a 2-alkylcysteine; chelation |
| 03/30/2006 | US20060069257 Use of specific bidentate ligands, e.g., 2-dicyclohexylphosphino-2'-dimethylamino-biphenyl, in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions including amination and arylation and with aryl halide reactants and amine, boronic acid, borane or ketone reactants |
| 03/29/2006 | EP1640373A1 Process for producing 3-acylaminobenzofuran-2-carboxylic acid derivative |
| 03/29/2006 | EP1638911A2 Process for removal of acrolein from acrylonitrile product streams |
| 03/29/2006 | EP1638684A2 Mixed metal oxide catalysts for propane and isobutane oxidation and ammoxidation, and methods of preparing same |
| 03/29/2006 | EP1425270B1 Methods and intermediates for preparing 4-aminoquinoline cetp inhibitors |
| 03/29/2006 | EP1265483B1 Use of phenylethylamine derivatives for the anitmicrobial treatment of surfaces |
| 03/29/2006 | CN1752069A Method of preparing alpha-chlorothalonil |
| 03/29/2006 | CN1751791A Fluidized bed catalyst for preparing acetonitrile |
| 03/29/2006 | CN1751790A Fluidized bed catalyst for prodn. of acrylonitrile |
| 03/29/2006 | CN1247532C Preparation of polynitrile compounds |
| 03/29/2006 | CN1247531C Preparation method of 2,3-dichloro propionitrile |
| 03/29/2006 | CN1247530C Microwave radiation ketone-nitrile condensation method adopting amine acetate catalysis |
| 03/28/2006 | US7019164 Heating an amine in vapor form in an inert gas and phosgene to a temperature of 200-600 degrees c |
| 03/28/2006 | US7018951 Annealed and promoted catalyst |
| 03/23/2006 | WO2006031550A1 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrle and tetrahydroazepine |
| 03/22/2006 | EP1636155A2 Phase transfer catalysis scrubber |
| 03/22/2006 | EP1324978B1 Method for separating pentenenitrile isomers |
| 03/22/2006 | CN1749370A Preparation of amine derivates from nitriles and phenols |
| 03/22/2006 | CN1246302C Method for separating and recovering acetonitrile solution from waste liquid in thymus pentapeptide production |
| 03/22/2006 | CN1246269C Method for producing methacrolein from isobutane |
| 03/22/2006 | CN1246060C Method for avoiding polymerization generation in film-type evaporator |
| 03/22/2006 | CN1246041C Solid-phase nucleophilic fluorination |
| 03/21/2006 | US7015173 High temperature mixing |
| 03/21/2006 | CA2181366C Hydrogenation catalyst, process for the preparation thereof and hydrogenation process |
| 03/16/2006 | US20060058555 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine |
| 03/16/2006 | US20060058545 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine |
| 03/16/2006 | US20060058544 Neutralization of isophorone nitrile synthesis products |
| 03/16/2006 | US20060058178 Aromatic compounds containing nitrogen and p- functionalized amines, the production thereof and their use in catalytic reactions |
| 03/16/2006 | DE102004045036A1 Separation of nickel(0) complexes and phosphorus-containing ligands from a reaction discharge of a hydrocyanation of unsaturated mononitriles to dinitriles, by means of a hydrocarbon |
| 03/15/2006 | EP1634645A1 Catalyst for acrylonitrile synthesis |
| 03/15/2006 | EP1633700A2 Dinitrile preparation method |
| 03/15/2006 | CN1747927A Preparation of dinitrile compound |
| 03/15/2006 | CN1747910A Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid |
| 03/15/2006 | CN1245256C Raney iron catalyst and process for hydrogenating organic compounds using said catalyst |
| 03/14/2006 | US7012158 Providing an intermediate compound having fluorine and a nitrile groups; selectively reducing nitrile group to form an amine group, further hydrolyzing the intermediate compound produced |
| 03/09/2006 | WO2006026489A1 Novel diazaphospholane ligands for asymmetric catalysis |
| 03/09/2006 | US20060052634 crystal structured mixed metal oxides, used as catalysts for the oxidation of alkanes, or mixture of alkanes and alkenes, to their corresponding unsaturated carboxylic acids; oxidation catalysts |
| 03/09/2006 | US20060052625 Reaction of 2,3-dichlorobenzoyl cyanide with aminoguanidine bicarbonate in non-aqueous medium in the presence of methanesulphonic acid to form intermediate 2-(2,3-dichlorophenyl)-2-(aminoguanidine)acetonitrile, cyclizing the intermediate to form 3,5-diamino-6-(2,3-dichlorophenyl)-1,2,4-triazine |
| 03/09/2006 | US20060052624 Making nitrile compounds from ethylenically unsaturated compounds |
| 03/09/2006 | DE102004042949A1 Producing 3-pentenonitrile comprises isomerizing 2-methyl-3-butenonitrile and separating (Z)-2-methyl-2-butenonitrile and 2-methyl-3-butenonitrile |
| 03/08/2006 | EP1632478A1 Method for producing purified 2-cyanoacrylate |
| 03/08/2006 | EP1632287A1 Catalyst for oxidation or ammoxidation |
| 03/08/2006 | EP1631533A1 Novel process for stereoselective reduction of beta-ketoesters |
| 03/08/2006 | CN1745062A Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds |
| 03/08/2006 | CN1744949A Particulate porous ammoxidation catalyst |
| 03/08/2006 | CN1244552C Process for absorbing and separating phthalonitrile gas |
| 03/08/2006 | CN1244551C Process for separating and purifying phthalonitrile |
| 03/08/2006 | CN1244545C Production of 6-aminocaproic acid |
| 03/07/2006 | US7009069 Intermediates for use in retinoid synthesis |
| 03/07/2006 | US7008593 Deodorization of cationic acetonitrile derivatives |
| 03/02/2006 | WO2006021390A1 Method for the production of tricyanomethanides of organic cations |
| 03/02/2006 | WO2005070869A8 Selective hydrogenation of nitrogen containing aromatics |
| 03/02/2006 | US20060047137 Prepared by adding a V compound and an Mo compound to an aqueous dispersion of finely ground Te or Sb, adding another metal(s) (Nb), evaporating to dryness, and calcining; one-stage oxidation of propane to form acrylic acid; ammoxidation of propane to form acrylonitrile |
| 03/01/2006 | EP1630166A1 Phosphite |
| 03/01/2006 | EP1628751A2 Fluidized bed reactor with gas cooler |
| 03/01/2006 | CN1741846A Process for producing metal oxide catalyst |
| 03/01/2006 | CN1740183A Method of making phosphorochloridites and method for producing N,N-dialkyl group diaryl azyl phosphinic acid ester |
| 03/01/2006 | CN1740147A Prepn process of 2-trifluoromethyl-4-cyano aniline |
| 03/01/2006 | CN1740146A Prepn process of 2-fluoro-5-trifluoromethyl benzyl cyanide |
| 03/01/2006 | CN1243726C Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide |
| 03/01/2006 | CN1243725C Process for the preparation of nitrile compounds |
| 03/01/2006 | CN1243720C Process for producing n-(1-(2,4-dichlorophenyl)ethyl)-2- cyano-3,3-dimethylbutanamide |
| 03/01/2006 | CN1243719C Process for producing N-[1-(2,4. dichlorophenyl) ethyl]-2-cyan-3.3-dimethyl butane amide |
| 03/01/2006 | CN1243612C Treatment of mixed metal oxide catalyst |
| 03/01/2006 | CN1243611C Improved multi-metal oxide catalyst |
| 02/28/2006 | US7005534 Reacting ammonium or alkali metal nitrites with sulfonates |
| 02/28/2006 | CA2186351C Bidentate phosphite and nickel catalyst compositions for hydrocyanation of monoolefins |
| 02/23/2006 | WO2006019078A1 Catalyst composed of complex oxide |
| 02/23/2006 | US20060041161 Procedure for the synthesis of bicalutamide |
| 02/23/2006 | US20060041127 Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines |
| 02/22/2006 | EP1626948A1 Process for converting a hydrocarbon to an oxygenate or a nitrile |
| 02/22/2006 | CN1738792A Process for preparing gamma-cyhalothrin |
| 02/22/2006 | CN1736592A Fluidized-bed catalyst for ammoxidation of propylene or isobutylene |
| 02/21/2006 | US7002036 For production of (poly)peptides; comprises Michael-type addition of nucleophile to a dialkyl 2-methylidenylpropan-1,3-dioate and conversion of ester to amino moiety |
| 02/21/2006 | US7002034 Method for the production of biphenyl-4-carbonitrile |
| 02/21/2006 | US7001500 Electroactive catalysis |