Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
04/2004
04/08/2004WO2004005244B1 Method for carrying out the catalyst-free production of o-alkyl-n-cyanoformimidates
04/08/2004WO2003097622A3 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
04/08/2004US20040068140 Preparation of mandelic acid derivatives
04/08/2004US20040068136 Reacting an aliphatic carboxylic acid ester compound with acetonitrile in the presence of a metal alkoxide having a metal atom to give a reaction mixture cotnaining metal salt of beta-ketonitrile, neutralizing the metal salt
04/08/2004US20040068131 Production of novel phosphane ligands and use in catalytical reactions
04/08/2004DE10245585A1 Preparation of partial oxidation or ammoxidation product of propylene, e.g. acrolein, involves subjecting dehydrogenated crude propane in the presence of unconverted propane to heterogeneously catalyzed gas phase partial reaction
04/07/2004EP1404647A1 Method for the production of unsaturated nitriles from alkanes
04/07/2004EP1404646A2 Process for the preparation of nitrile compounds
04/07/2004EP1404645A2 Method for producing optically active cyanohydrins and their corresponding acids
04/07/2004EP1404637A2 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon
04/07/2004EP1404633A1 Method for producing methacrolein from isobutane
04/07/2004EP1404328A1 Alpha-hydroxyamide statine derivatives for the treatment of alzheimer's disease
04/07/2004EP1086074B1 New process
04/07/2004CN1487917A Method for making nitrile compounds from ethylenically unsaturated compounds
04/07/2004CN1144781C Monoolefinc C5-mononitriles, method for production and use thereof
04/07/2004CN1144780C Process for producing 2,4,5-trifluorobenzonitrile
04/07/2004CN1144756C Process for recovering and recycling ammonia from acrylonitrile reactor efflvent using ammonium phosphate quench system
04/06/2004US6716405 Using fluidized bed reactor including cyclone separator disposed above catalyst bed internals
04/01/2004WO2004026821A2 Non-halogenated antibacterial agents and processes for making same
04/01/2004WO2004026812A2 Method for catalyst-free production of cyanophenols from methoxybenzonitriles
04/01/2004WO2004026462A1 System and method for the manufacture of hydrogen cyanide and acrylonitrile with simultaneous recovery of hydrogen
04/01/2004US20040063991 Method for making nitrile compounds from ethylenically unsaturated compounds
04/01/2004US20040063990 Mixed oxide oxidation catalyst; oxidation of hydrocarbons to nitriles
04/01/2004US20040063989 Preparation of at least one partial oxidation and/or ammoxidation product of propylene
04/01/2004US20040063988 Preparation of at least one partial oxidation and/or ammoxidation product of propylene
04/01/2004US20040063987 Method for producing alkoxymalononitriles
04/01/2004US20040063956 Hydrocyanation method for ethylenically unsaturated organic compounds
04/01/2004US20040062941 Mixture of porous polymer and solid phase support; fine particle sizes; anchoring organic compounds
03/2004
03/25/2004WO2004024707A2 Process for preparing amine type substituted benzofurans
03/25/2004WO2004024675A1 Substituted aminoethers for the treatment of alzheimer's disease
03/25/2004WO2002088085A3 Methods and intermediates for preparing 4-aminoquinoline cetp inhibitors
03/25/2004US20040059157 Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
03/25/2004US20040059148 Method for producing hydrolysis-stable ammonium nitriles
03/25/2004US20040059137 Method for producing compounds having a cf2o bridge
03/25/2004DE10242080A1 Process for the catalyst-free production of cyanophenols comprises reaction of a substituted methoxybenzonitrile with an alkali metal alcoholate at a specified temperature
03/25/2004CA2498269A1 Substituted aminoethers for the treatment of alzheimer's disease
03/24/2004EP1399431A2 Novel nitriles useful as reversible inhibitors of cysteine proteases
03/24/2004EP1399146A1 Novel compounds and compositions as cathepsin inhibitors
03/24/2004EP1093389B1 Process for recovery of acrylonitirle
03/23/2004US6710207 Catalytic oxidation of mixtures of alkenes and alkanes in presence of mixed metal oxide containing molybdenum or tungsten
03/23/2004US6710201 Aminonitrile production
03/23/2004US6710011 Catalyst compositions for the ammoxidation of alkanes and olefins, methods of making and of using same
03/18/2004US20040054226 Alkylation of malonic ester, malononitrile; using carbonate and phase transfer agent
03/18/2004US20040054185 Antihistamines; cardiovascular disorders; cognition activators; Alzheimer's disease
03/18/2004US20040054105 Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions
03/18/2004US20040053378 Processes for making (R)-ethyl 4-cyano-3-hydroxybutyric acid
03/17/2004EP1397346A2 Method for the hemihydrogenation of dinitriles in order to form aminonitriles
03/17/2004EP1397345A2 Method for the hemihydrogenation of dinitriles in order to form aminonitriles
03/17/2004EP1397344A1 Process for preparation of cyclohexanol derivatives
03/17/2004EP1250311B1 Asymmetric synthesis of pregabalin
03/17/2004CN1483019A Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines
03/17/2004CN1483017A Process for the production of 1, 5-naphthalenediamine
03/16/2004US6706924 Process for the production of 1,5-naphthalenediamine
03/16/2004US6706918 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof
03/16/2004US6706912 Carbon monoxide reacted with alcohol in presence of catalyst system comprising palladium cations, bidentate diphosphine, and anions derived from sulfonic acid, in apriotic solvent (anisole)
03/16/2004US6706881 Methods for preparing CETP inhibitors
03/11/2004WO2003106380A3 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia
03/11/2004WO2003101939A3 Method for the preparation of halogenated benzonitriles
03/11/2004US20040049078 E.g., dehydrating alcohols to form alkenes and amides or aldoximes to form nitriles; using dehydrating agents such as acids, acid anhydrides, acid halides, carbodiimides and cyanoformates
03/11/2004US20040048346 Synthesis of chiral intermediates useful in preparing pharmacologically active compounds
03/11/2004DE10240012A1 Recovery of a Lewis acid from a reaction mixture, prepared by hydrocyanation of an olefinically unsaturated compound to form a nitrile, comprises phase separation and distillation
03/10/2004EP1395547A2 Copper-catalyzed vapor phase hydrocyanation of diolefinic compounds
03/04/2004WO2003043735A3 Aromatic compounds containing nitrogen and p-functionalized amines, the production thereof and their use in catalytic reactions
03/04/2004WO2003020209A3 Processes for the production of alpha-difluoromethyl ornithine (dfmo)
03/04/2004US20040044248 Vapor phase oxidation, ammoxidation using catalyst
03/03/2004EP1394157A2 Process for the preparation of 3,5-dihydroxy substituted esters as intermediates for producing optically active 2-(6-(hydroxymethyl)-1,3-dioxan-4-yl) acetic acid dervatives
03/03/2004EP1392646A2 Environmentally friendly process for the hydrogenation of dinitriles
03/03/2004EP0970942B1 Process for the simultaneous preparation of acrylonitrile and acrylic acid
03/03/2004CN1479719A Process for producing 5-cyanovaleric, adipic acid or dimethyl adidpate
03/03/2004CN1479703A Method for producing compounds having CF2O bridge
03/03/2004CN1140504C Method for producing aminocyanocetamide
03/03/2004CN1140501C Method for separating 6-aminocapronitrile from mixtures containnig aminocapronitrile 6-aminocapronitrile and imide
03/03/2004CN1140338C Oxide catalyst for oxidiznig or ammonia oxidizing reaction
03/02/2004US6700029 Vapor phase using composite oxide catalyst
03/02/2004US6700015 Vapor phase oxidation of an alkane and/or alkene to unsaturated carboxylic acid; or ammoxidation to unsaturated nitrile
03/02/2004US6699903 Hydration of the anhydrous lithium salt with acetonitrile and water; phosphodiesterase inhibitors
02/2004
02/26/2004WO2004016581A1 Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile
02/26/2004WO2004016348A1 Tethered catalyst processes in microchannel reactors and systems containing a tethered catalyst or tethered chiral auxiliary
02/26/2004WO2003101940A3 Deodorisation of cationic ammonium acetonitrile derivatives
02/26/2004US20040039234 Process for synthesis of alpha,beta-unsaturated ketones
02/26/2004US20040039221 Distillation of pentene nitrile isomers which have a relative volatility alpha ranging from 1.0-1.3 at a presssure of 500kPa using a liquid diluent which forms an azeotropehaving a volatility alpha higher than that of the isomer
02/26/2004US20040035251 Chemical process
02/25/2004EP1390344A2 Organic compounds
02/25/2004EP1390340A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
02/25/2004EP1165497B1 Method of preparing granular n-alkyl-ammonium acetonitrile salts
02/25/2004EP1032558B1 Method for hydrogenating dinitriles
02/25/2004CN1478071A Method for carbonylation of pentenoic acid and derivatives thereof
02/25/2004CN1478070A Method for reducing content of unsaturated amine in mixture containing amine and nitrile
02/25/2004CN1139578C Preparation of isoxazoline-3-yl-acyl benzene
02/25/2004CN1139571C Process for preparing homophenylalanin derivs
02/25/2004CN1139426C Oxidative reaction using mixed conductive oxygen selective membrane
02/24/2004CA2214009C Process for hydrocyanation in the presence of zero-valent nickel, a bidentate phosphorous compound and a lewis acid
02/24/2004CA2086372C Process for the preparation of tertiary amines methylated by the reaction of hexamethylenetetramine with amines or nitriles
02/19/2004WO2004014821A1 Method for the separation of intermediates which may be used for the preparation of escitalopram
02/18/2004EP1389176A1 Method for producing ketones from carboxylic acid anhydrides
02/18/2004EP1178958B1 N-cyanomethyl amides as protease inhibitors
02/18/2004EP1003716B1 Method for producing mixtures of monoolefinic c 5-mononitriles by catalytic hydrocyanation in the presence of a catalyst containing at least one metallocene phosphor (iii)-nickel-(0) complex
02/18/2004CN1475471A 1-aryl-2 perluoro or polyfluoro phenyl ethylene and its derirative, its synthesis and application
02/18/2004CN1138756C Process for preparation of tirt nitrile substituted aromatic compound
02/12/2004WO2004013094A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
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