Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
03/2003
03/05/2003EP1286956A1 Phenyl-substituted 2-enamino-keto nitriles
03/05/2003EP1286937A1 Chiral monophosphites as ligands for asymetrical synthesis
03/05/2003CN1102578C Muliti-component liquid azodinitrine mixtures
03/05/2003CN1102577C Fluidized bed catalyst for preparing cyanobenzene
03/05/2003CN1102575C Method for removing micro hydrocyanic acid in the course of refining high-purity acetonitrile
02/2003
02/27/2003WO2003016268A1 Stabilisation of ethylenically-unsaturated compounds with amidoximes
02/27/2003WO2002036549A3 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
02/27/2003US20030040634 Reacting acetic acid derivative with an enolate derivative to produce a hydroxyoxohexanoic acid derivative, reducing this compound with the aid of a strain of microorganism; acetalization; acyloxylating, solvolysis in presnce of base
02/27/2003US20030040626 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
02/26/2003EP1284975A1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them
02/25/2003US6525204 Oximination reaction of nitro-o-methylphenyl compound with organic nitrite; cyclization with alkene in basic catalyst presence; reduction, bromination, oxidation, carboxylation
02/25/2003US6525147 Decomposing hydrogen peroxide
02/25/2003US6525092 Pesticidal bis-oxime compounds
02/21/2003CA2399164A1 Preparation of styryl dyes
02/20/2003WO2003014068A1 Protected 3.5-dihydroxy-2.2-dimethyl-valeronitriles for the synthesis of epothilones and derivatives and method for the production and use thereof
02/20/2003WO2003014067A1 PROCESS FOR PRODUCING ß-OXONITRILE COMPOUND OR ALKALI METAL SALT THEREOF
02/20/2003WO2003000651A3 Method for the hemihydrogenation of dinitriles in order to form aminonitriles
02/20/2003WO2003000650A3 Method for the hemihydrogenation of dinitriles in order to form aminonitriles
02/20/2003WO2002088069A3 Compounds useful as intermediates for 4-aminoquinoline derivatives
02/20/2003US20030036667 Heating aromatic compound substituted with halogen that is exchangeable for fluorine with fluoride and compound such as Diethylaminobis(tetramethylguanidino)sulfonium bromide to produce fluorinated aromatics
02/19/2003EP1000019B1 Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor
02/19/2003CN1398247A Colchinol derivatives as vascular damaging agents
02/19/2003CN1398200A Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo 2.2.N8cexcl; parent substances and catalysts contg. same
02/18/2003US6521799 Contacting functionalized allylic olefin substrate with the catalyst to form a reaction mixture; placing reaction mixture under conditions that result in formation of a functionalized olefin product via metathesis condensation
02/18/2003US6521779 Hemihydrogenation method for dinitriles
02/18/2003US6521778 Hydrocyanation of 1,3-butadiene to form adiponitrile
02/18/2003US6521561 Main-group metal based asymmetric catalysts and applications thereof
02/13/2003WO2003011804A2 Method for producing partial (amm)oxidation products of an olefin
02/13/2003WO2003011457A1 Catalyst system containing ni(0) for hydrocyanation
02/13/2003WO2002092551A3 Copper-catalyzed vapor phase hydrocyanation of diolefinic compounds
02/13/2003US20030032833 Depolymerization; using thin film wiping evaporator
02/13/2003US20030032832 Use of diamines and alkanolamines to inhibit unsaturated monomer polymerization
02/13/2003US20030032810 Antagonists of natural killer cell-3 receptors
02/13/2003US20030032670 Monohydrate of cis-lithium-cyano-4-[3-(cyclopentyloxy)-4-methoxyphenyl)cyclohexanecarboxylate
02/13/2003US20030030035 Polymerization inhibitor for vinyl-containing materials
02/13/2003CA2454912A1 Catalyst system containing ni(0) for hydrocyanation
02/12/2003EP1282596A1 Preparation of iminodiacetic acid compounds from monoethanolamine substrates
02/12/2003EP1032566B1 Method for the preparation of citalopram
02/12/2003CN1396905A Asymmetric synthesis (S)-(+)-3-(aminomethyl)-5-methylhexanoic
02/12/2003CN1396819A Novel coupler for use in oxidative hair dyeing
02/12/2003CN1395997A Hydrothermal synthesis MO-V-M-X oxide catalyst for selective hydrocarbon oxide
02/12/2003CN1395996A Single crystalline phase catalyst
02/12/2003CN1101264C Fluidized bed catalyst for preparing acrylonitrile by propene ammonia oxidation
02/11/2003US6518449 Method for regenerating a hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions
02/11/2003CA2041818C Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof as pharmaceutical compositions or as performance enhancers
02/10/2003WO2002014263A1 Acylacetonitriles, process for preparation thereof and miticides containing the same
02/06/2003WO2003010148A1 Pyrazoline derivatives and their use as pesticides
02/05/2003CN1395556A Monohydrate of cis-lithium-cyano-4-[3-(cyclopentyloxy)-4-methoxyphenyl] cyclohexanecarboxylate
02/05/2003CN1100754C Method for producing trifluoroacetoacetic acid anilides
02/05/2003CN1100752C Manufacturing process for 6-aminocapronitrile
02/05/2003CN1100612C Fluidized bed catalyst for oxidation of propene amonia
02/04/2003US6515161 Hydroformylation process utilizing multidentate phosphite ligands
02/04/2003US6515142 Intermediates of aromatic amidine derivatives which have anticoagulation action
02/04/2003US6514902 Method for producing an oxide catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane
02/04/2003CA2059233C Carbonylation of olefins
01/2003
01/30/2003WO2003008096A1 Catalyst for the selective oxidation and ammoxidation of alkanes and/or alkenes, particularly in processes for obtaining acrylic acid, acrylonitrile and the derivatives thereof
01/30/2003US20030023110 Reacting an acyclic, aliphatic, monoethylenically unsaturated compound with a source of HCN in the presence of a catalyst precursor composition comprising a Lewis acid, a zero- valent nickel, and a multidentate phosphite ligand for hydrocyanation
01/30/2003US20030023083 Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative
01/29/2003EP1279662A1 Process for preparing phenylcyclohexan-1-ylcarboxylic acids
01/29/2003EP1278720A1 1,4-diaryl-2-fluoro-4-cyano-2-butenes, process for their preparation and intermediates useful therefor
01/29/2003EP1278711A1 Process for the catalytic oxidation of hydrocarbons
01/29/2003CN1393440A Process for preparing catalyst used for oxidizing ammonia
01/29/2003CN1100035C Process for preparation of cyanoacrylmethylamine
01/29/2003CN1100034C Process for preparing unsaturated nitrile
01/23/2003WO2003006151A1 Microencapsulated catalyst, methods of preparation and methods of use thereof
01/23/2003WO2003006021A1 Alpha-hydroxyamide statine derivatives for the treatment of alzh eimer's disease
01/23/2003US20030018209 Catalyzing the nitriding reaction of halogenoaromatics or aryl perfluorosulfonates and alkali metal cyanides
01/23/2003US20030018208 Halogen promoted multi-metal oxide catalyst
01/23/2003US20030018200 Preparation of isoxazolin-3-ylacylbenzenes
01/23/2003US20030018192 Preparation of substituted aromatic compounds
01/23/2003US20030017944 Mixed oxide catalyst
01/23/2003CA2453447A1 Alpha-hydroxyamide statine derivatives for the treatment of alzheimer's disease
01/23/2003CA2453113A1 Microencapsulated catalyst, methods of preparation and methods of use thereof
01/22/2003EP1000006B1 Improved process of preparation of linear aldehydes
01/22/2003CN1392138A Process for preparing 3,4-dihydroxy benzonitrile
01/22/2003CN1391984A 混合金属氧化物催化剂 Mixed metal oxide catalysts
01/22/2003CN1099409C Process for preparing isobutyl alpha-cyanoacrylate
01/21/2003US6509490 Method of purifying isophthalonitrile
01/21/2003US6508917 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
01/16/2003WO2003005010A2 Method for producing optically active cyanohydrins
01/16/2003WO2003004459A2 Process for the preparation of nitrile compounds
01/16/2003WO2003004456A1 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
01/16/2003WO2003004157A2 Optically active catalysts containing a salen ligand and vanadium (iv), production thereof and use of the same for producing cyanohydrins
01/16/2003US20030013904 A doped mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated acid
01/16/2003CA2452683A1 Process for the preparation of nitrile compounds
01/16/2003CA2451159A1 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
01/15/2003EP1275637A1 Process for the preparation of aromatic nitriles
01/15/2003EP1275631A2 Fluorination with aminosulfur trifluorides
01/15/2003EP1275630A1 Process for producing substituted aromatic compound
01/15/2003CN1391552A Transesterification method for making cyanoacrylates
01/15/2003CN1390830A Bis-dicyano-methylene-cyclohexane-ester derivatives and their synthesizing process
01/15/2003CN1390642A Mixed metal oxide catalyst and preparation thereof
01/15/2003CN1390641A High temperature mixture
01/15/2003CN1098836C Decompression side stream gas-phase productions of finished product acrylonitrile
01/14/2003US6506944 Self metathesis or cross metathesis of specified olefin compounds in presence of homogenous catalyst comprising ruthenium compounds or ruthenium complexes
01/14/2003US6506927 Aminonitrile production
01/14/2003US6506925 Alkene borates and a process for covalently coupling organic compounds
01/14/2003US6506733 Compounds and compositions as protease inhibitors
01/09/2003WO2003002521A2 Method for production of azo compounds
01/09/2003WO2003002520A1 Method for the production of unsaturated nitriles from alkanes
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