Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
02/2004
02/12/2004WO2004013082A2 Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates
02/12/2004WO2003099435A3 Catalyst and process for the cyanation of aldehydes
02/12/2004WO2003097582A3 Synthesis of benzonitriles and benzimidates
02/12/2004US20040030202 Mixed metal oxide catalyst
02/12/2004US20040030174 Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
02/12/2004US20040030173 Process for producing fluorinated dicyanobenzene
02/12/2004US20040030172 Catalyst
02/12/2004US20040030069 Coordination compounds and their use for the polymerization of olefins
02/12/2004US20040029725 Annealed and promoted catalyst
02/12/2004DE10333852A1 Monoalkylation of C-H acid methylene groups and also production of nitriles and carboxylic acids involves reaction with dihalogen compounds in presence of specified amounts of alkali(ne earth) carbonate
02/12/2004DE10235312A1 Verfahren zur Herstellung von Aminoalkoxybenzylaminen und Aminoalkoxybenzonitrilen als Zwischenprodukte A process for preparing Aminoalkoxybenzylaminen and Aminoalkoxybenzonitrilen as intermediates
02/12/2004CA2494404A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
02/11/2004CN1137881C Process for preparing catalyst used for oxidizing ammonia
02/11/2004CN1137779C Method for preparing 3,4-dichlorophenylnitrile by using ammonia oxidation process and its special purpose catalyst
02/11/2004CN1137778C Method for preparing 2,4-dichlorophenylnitrile by using ammonia oxidation process and special purpose catalyst
02/10/2004US6689915 As catalysts for use in asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds
02/10/2004US6689897 Intermediates of CETP inhibitors
02/05/2004US20040024239 Process for preparing 3,4-dihydroxy-benzonitrile
02/05/2004US20040024224 Synthesis of 2-alkyl amino acids
02/04/2004EP1386661A1 Method for producing molybdenum-bismuth-iron containing composite oxide fluid bed catalyst
02/04/2004EP1385814A1 Enantiomerically selective cyclopropanation
02/04/2004CN1472008A Mixed metallic oxide catalyst with physical weather salation load
02/04/2004CN1137092C Process for preparing cyano acetate
02/04/2004CN1137090C New processes for preparing pesticidal intermediates
02/03/2004US6686505 Process for producing optically active amino alcohols and intermediates therefore
02/03/2004US6686495 In presence of palladium catalyst; useful in producing chemical intermediates for pharmaceuticals, optical brightening agents and agrochemicals
02/03/2004US6686477 Multistep chemical synthesis, including asymmetric hydrogenation of a lactam-enamide to produce an intermediate that can be used to make unspecified pharmaceuticals
02/03/2004US6686461 Triphosphate oligonucleotide modification reagents and uses thereof
02/03/2004US6686182 Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates
01/2004
01/29/2004WO2004009535A1 Production process of fluorinated benzonitrile
01/29/2004WO2003004157A8 Optically active catalysts containing a salen ligand and vanadium (iv), production thereof and use of the same for producing cyanohydrins
01/29/2004US20040019237 Hexafluoroisobutylene and higher homologs are reacted with sulfur trioxide to give fluorosulfates; reaction provides route to substituted hexafluoroisobutylenes which copolymerize with fluoro- and hydrocarbon monomers
01/29/2004US20040019233 Catalyst comprising a mixed metal oxide based on molybdenum, vanadium and optional metals for the vapor phase (amm)oxidation of an alkane to an unsaturated carboxylic acid (nitrile); improved catalytic selectivity
01/29/2004US20040019216 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
01/29/2004US20040016906 Difluoromethyl ether derivative and process for producing the same
01/29/2004DE10231292A1 Verfahren zur Rückführung einer Lewis-Säure Procedures for the return of a Lewis acid
01/28/2004EP1384706A1 Process for the monoalkylation of C-H acid methylene groups
01/28/2004EP1383777A1 Ligands for pnicogen chelate complexes with a metal of subgroup viii and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation
01/28/2004EP1383735A1 Methods of synthesizing acylanilides including bicalutamide and derivatives thereof
01/28/2004EP1383734A2 Compounds useful as intermediates for 4-aminoquinoline derivatives
01/28/2004EP1383733A2 Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic compounds
01/28/2004CN1471572A Couted, granular N-alkylammonium acetonitrile salts and their use as bleach activators
01/28/2004CN1471510A Hydrocyanation method for ethylenically unsaturated organic compounds
01/28/2004CN1470496A Production method for benzenedimethanamine and/or cyanobenzylamine
01/27/2004US6683213 Chemical intermediates for pyridinedicarboxamide herbicides
01/22/2004WO2004007435A2 Method for making nitrile compounds from ethylenically unsaturated compounds
01/22/2004WO2004007434A1 Recovery of adiponitrile from a mixture of adiponitrile, aminocapronitrile and hexamethylenediamine
01/22/2004WO2004007433A1 Process for production of acylacetonitriles
01/22/2004WO2004007432A1 Making nitrile compounds from ethylenically unsaturated compounds
01/22/2004WO2004007431A1 Method for the recycling of a lewis acid
01/22/2004WO2004007071A1 Method for preparing a catalyst for partial oxidation of acrolene
01/22/2004WO2003040065A3 Bidentate ligand for the telomerization of dienes
01/22/2004US20040015004 Distillation, separation of mixture
01/22/2004US20040011638 Method for stabilizing acrylic monomers
01/22/2004DE10230311A1 Verfahren zur Katalysator-freien Herstellung von O-Alkyl-N-cyanformimidaten Process for the catalyst-free production of O-alkyl-N-cyanformimidaten
01/22/2004CA2491240A1 Method for the recycling of a lewis acid
01/21/2004EP1100774B1 Improved arylamine synthesis
01/21/2004CN1468843A Two-step process of preparnig 2,4,5-trifluoro-benzonitrile
01/21/2004CN1468842A Improved process for producing acetone cyanohydrin
01/21/2004CN1135209C Sequence distillation method for removing tetrahydroazole from aminocapronitrile and/or hexamethyldiamine
01/20/2004US6680403 Reacting acyclic nitrile-2+ such as adiponitrile, with hydrogen in the presence of solvents, hydrogenation catalysts and adjuvants to form carboxy acyclic amines used as chemical intermediates for high molecular weight polyamides; catalysis
01/15/2004WO2004005244A1 Method for carrying out the catalyst-free production of o-alkyl-n-cyanoformimidates
01/15/2004US20040010154 Diastereoselective hydrogenation of 1,3-hydroxyketones
01/15/2004US20040010149 Ligand for transition metal complex catalyst
01/14/2004CN1468213A Process for producing fluorinated dicyanobenzene
01/14/2004CN1468212A Process for the cyanation of aldehydes
01/13/2004CA2283023C Hydrocarbon partial oxidation process
01/08/2004WO2004002925A2 Process for preparing (r)-aryloxypropionic acid ester derivatives
01/08/2004WO2004002924A1 Preparation of chiral amino-nitriles
01/08/2004WO2003040159A3 Bidentate ligands for the carbonylation of unsaturated compounds
01/08/2004US20040006231 Process for the synthesis of 1,3-diols
01/08/2004US20040006224 Synthesis of 2-alkyl amino acids
01/08/2004US20040005254 Reactor for producing a nitrile compound and method for operating the reactor
01/08/2004US20040004207 Difluoromethyl ether derivative and process for producing the same
01/08/2004DE10227223A1 Verfahren zur Herstellung substituierter organischer Verbindungen und Verwendung von Katalysatoren für Substitutionsreaktionen Process for preparing substituted organic compounds, and use of catalysts for substitution reactions
01/07/2004EP1378504A2 Process for production of xylylenediamine and/or cyanobenzylamine
01/07/2004CN1133633C Method for prepn. of citalopram
01/07/2004CN1133619C Process for preparing 2-fluoro-6-chlorophenyl nitrile
01/06/2004US6673957 Dehydration of alkoxy malonic acid diamides
01/06/2004US6673956 Processes for preparing pesticidal intermediates
01/06/2004US6673879 Destroying peroxy compounds that might be present
01/02/2004EP1375476A1 A new process for the synthesis of alkoxyamines active in controlled radical polymerization
01/02/2004EP1374992A1 Supported mixed metal oxide catalyst obtained by physical or chemical vapour deposition
01/01/2004US20040002615 Preparation of chiral amino-nitriles
01/01/2004US20040002614 Process for production of xylylenediamine and/or cyanobenzylamine
01/01/2004US20040002613 Synthesis of benzonitriles from substituted benzoic acid
01/01/2004US20040002606 Reacting a secondary amine with oxidizer; one pot process
12/2003
12/31/2003WO2004000792A1 A process for the preparation of 3-cyano-1-naphthoic acid and some analogues thereof
12/31/2003WO2004000779A1 Process for producing phenyloxocarboxylic ester derivative
12/31/2003CN1132812C Process for synthesizing 3- (or-4)-nitro o-phenylenedinitrile
12/31/2003CN1132690C Catalyst for preparing 2-fluoro-6-chlorophenyl nitrile by ammonia oxidization method and its preparing process and application
12/30/2003CA2198637C Preparation of quaternized glycine nitriles
12/25/2003US20030236435 Synthesis of 2-alkylcysteine via substituted thiazoline ester
12/25/2003US20030236434 Condensing cysteine with cabocyclic nitriles to form 2-arylthiazoline-4-carboxylic acid, then amidation, alkylation, hydrolyzing and optionally purifying to form 2-methylcysteine
12/25/2003US20030236433 Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts
12/25/2003US20030236427 Cross-metathesis of olefins directly substituted with an electron-withdrawing group using transition metal carbene catalysts
12/25/2003US20030236426 Synthesis of benzimidate from benzoic acid
12/25/2003US20030236404 Synthesis of 2-alkylcysteine via phase transfer catalysis
12/25/2003US20030236304 Fluorobenzamides and uses thereof
12/25/2003US20030236163 Providing a catalyst support; vapor depositing layers comprising molybdenum, vanadium and tellurium and layer comprising at least one other element; calcining
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