Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 249 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
Patents for C07C 249 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton (3,537)
10/2003
10/01/2003CN1446194A Process for preparing cyclohexanone oxime
09/2003
09/24/2003CN1444564A Biphenyl carboxamides
09/24/2003CN1444559A Process for production of cyclohexanone oxime
09/24/2003CN1443759A Method for producing acrizine compound and oxime compound
09/24/2003CN1443734A Process for producing organic compound using nitrite
09/23/2003CA2059806C Multistep process for the liquid phase ammoximation of carbonyl compounds
09/18/2003WO2003076374A1 PROCESS FOR PRODUCING trans-4-AMINO-1-CYCLOHEXANECARBOXYLIC ACID DERIVATIVE
09/18/2003US20030176741 Converting to imine by reaction with a nitroaniline, solidification, isolation, converting back; a chemical intermediate for making substance P receptor antagonists
09/17/2003EP1344771A1 2-alkoxy-phenylsulphonic acid derivatives as intermediates for herbicidal sulphonylamino(thio)carbonyl compounds
09/17/2003CN1121381C Novel process for preparing ketimine
09/16/2003US6620970 Work-up of the ammoximation products of ketones by liquid-liquid extraction in a ternary solvent system
09/12/2003WO2003074496A1 Halobenzyl substituted phenylaceto esters and amides and use thereof for prevention of harmful organisms
09/12/2003WO2003074491A1 O-cyclopropyl-carboxanilides and their use as fungicides
09/12/2003WO2003074462A1 The purification of 2-methoxy-5-trifluoromethoxybenzaldehyde
09/12/2003CA2476608A1 The purification of 2-methoxy-5-trifluoromethoxybenzaldehyde
09/11/2003US20030171618 Process for producing organic compounds using nitrites
09/10/2003EP1342715A2 Process for producing oximes using nitirites
09/10/2003EP1342714A1 Process for producing azine compounds and oxime compounds
09/04/2003WO2003072538A1 Method for producing 2-chloromethylphenyl acetic acid derivatives
09/04/2003WO2002031896A3 Polymers having attached luminescent metal complexes and devices made with such polymers
09/04/2003CA2476035A1 Method for producing 2-chloromethylphenylacetic acid derivatives
09/03/2003EP1027327B1 Formation of quinonediimines from phenylenediamines by catalytic oxidation
09/03/2003CN1440384A Method for production of trioxime derivatives
08/2003
08/28/2003US20030163002 Method for the production of trioxime derivatives
08/28/2003US20030163001 Method for oximating organic carbonyl compounds and/or ch-acid compounds
08/27/2003EP0842157B1 Herbicidal sulphonylamino(thio)carbonyl compounds
08/27/2003CN1119324C 3-cyano-2,4.5-trifluoro-benzoyle fluoride and intermediate preparation thereof
08/26/2003US6610715 Cathecol hydrazone derivatives, process for preparing the same and pharmaceutical composition containing the same
08/21/2003WO2003006070A3 Improved chelator conjugates
08/20/2003EP0859591B1 Use of at least one no synthase inhibitor for treating sensitive skin
08/20/2003CN1436771A 3-Cyan-2,4,5-trifluoro-benzene formyl fluorine and intermediate produced therefor
08/19/2003US6608209 Reacting a nitro-o-methylphenyl compound with an organic nitrite in presence of a base to give an oxime, cyclizing the oxime with an alkene in presence of a base to give an intermediate, reducing nitrogroup in presence of catalyst
08/19/2003US6608196 Structurally diverse; parallel approach
08/19/2003CA2043733C Aromatic compounds
08/14/2003WO2003066578A1 PROCESS FOR PRODUCING ß-HYDROXYAMINO ACID DERIVATIVE AND INTERMEDIATE THEREFOR
08/14/2003US20030153559 Treatment of an oxygen and/or energy deficit; a poly(adenosine diphosphate ribose)-polymerase inhibitor; treating autoimmune, neurodegenerative and diseases caused by a toxic effect; viricides
08/12/2003US6605265 Introducing hydrogen peroxide, ammonia and ketone or aldehyde into circulating reaction medium in azine reaction zone, withdrawing azine formed, heating medium, recycling to reaction zone, introducing reagent to maintain equilibrium
08/07/2003US20030148142 Organic electronic device comprising an emitting layer wherein the emitting layer comprises at least one functionalized polymer having a plurality of first-type functional groups and wherein at least a portion of the first-type functional group
08/06/2003EP0874800B1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
08/06/2003EP0865419B1 Indane dimer compounds and their pharmaceutical use
08/06/2003CN1117071C Pesticides
08/06/2003CN1117055C Pesticide compounds, compositions and process for preparation thereof
08/05/2003US6603043 Reacting alpha -alkyl-alpha-aminonitrile with a base and the aldehyde to form Schiff base
07/2003
07/30/2003EP1187817B1 Cathecol hydrazone derivatives, process for preparing the same and pharmaceutical composition containing the same
07/30/2003CN1432560A Cyclohexanone oxamidinating process
07/30/2003CN1432432A Separation process of molecular sieve catalyst in ketone oxamidinating reaction system
07/24/2003US20030139628 Process for the preparation of optically active amines or salts thereof
07/17/2003WO2003057663A1 Preparation of alpha-diimines
07/15/2003US6593496 By reacting with methylamine and titanium chloride or molecular sieves; catalytic hydrogenation
07/15/2003US6593437 Preparing 1,2-diimine compounds by reacting 1,2-dicarbonyl compound with primary amine activated by trialkylaluminum
07/15/2003US6593315 Salicylic acid derivatives, processes for their preparation, compositions comprising them, and their use
07/10/2003US20030130514 Preparation of alpha-diimines
07/10/2003US20030130116 Production of a titanium silicalite shaped article
07/02/2003EP1047667B1 Preparation of n-phenyl-benzoquinoneimine from hydroxydiphenylamines
06/2003
06/25/2003EP1321452A2 Process for the preparation of optically active amines or salts thereof
06/25/2003CN1426392A Propenecarboxylic acid amidoxime derivatives, process for preparation thereof, and pharmaceutical compositions containing same
06/24/2003US6583297 Process and intermediate compounds for the preparation of pyrrolidines
06/18/2003CN1424306A Method for increasing efficiency of oximation reaction
06/12/2003WO2003048110A1 Process for treating an aqueous medium containing cyclohexanone oxime and cyclohexanone
06/12/2003WO2003048037A1 Process for treating an aqueous medium containing phosphate salt and organic compounds
06/12/2003US20030109740 Method for producing oxime ethers
06/11/2003EP1318141A1 Process for treating an aqueous medium containing phosphate, cyclohexanone and cyclohexanone oxime
06/11/2003EP1076642B1 Phenyl-methoxyimino-glyoxylic acid derivatives as pesticides
06/11/2003CN1422842A Extraction of ketazine solution
06/11/2003CN1111155C Process for preparation of pesticides
06/10/2003US6576779 Catalyst compositions and processes for olefin polymers and copolymers
06/05/2003WO2003045899A1 An improved process for manufacture of 4-bromo-2-oxyimino butyric acid and its derivatives
06/05/2003US20030105356 In particular an alkanone or cycloalkanone by means of hydrogen peroxide and ammonia in homogeneous solution over titanium-containing catalyst
06/05/2003US20030105355 Extraction of ketazine solutions
06/04/2003EP1316545A1 Biphasic ammoximation
06/04/2003EP0862545B1 Pesticide compounds, compositions and process for the preparation thereof
06/04/2003CN1422247A Method for producing oxime ethers
06/04/2003CN1421432A Two-phase oxamidination
05/2003
05/29/2003US20030100795 Reacting a ketone or aldehyde with hydrogen peroxide and ammonia in an inert hydrocarbon, in the presence of a titanium silicate catalyst, a second component dissolved or suspended in ammonium salt and an interphase contactor
05/29/2003US20030100750 Process for solid supported synthesis of pyruvate-derived compounds
05/29/2003US20030100119 Combinatorial synthesis and screening of supported organometallic compounds and catalysts
05/28/2003EP1313709A1 Pyrazolyl biphenyl carboxamides
05/28/2003CN1109671C Photonitrosation of cyclododecane in chloroform in quasi-anhydrous medium
05/28/2003CA2412833A1 Two-phase ammoximation
05/22/2003WO2003042145A1 Processes for preparation of cyclopropylethanol, cyclo- propylacetonitrile and intermediates of both
05/21/2003CN1419476A Process for the production of a titanium silicalite shaped article
05/21/2003CN1419475A Process for the production of a titanium silicalite shaped body
05/21/2003CN1109018C Systhesis of hydrazone beta-keto ester by reaction with diazo ester
05/20/2003US6566555 Process for preparing oximes
05/15/2003US20030092929 Using halogenated xylene compound; chemical intermediate for quinolone antibiotics
05/14/2003EP1058676B1 Process for preparation of oximes and resulting products
05/13/2003US6562311 Method for preparing hydrazine hydrate
05/02/2003EP1305292A1 Biphenyl carboxamides
05/02/2003EP1305284A1 Process and intermediate compounds for the preparation of pyrrolidines
05/02/2003EP1042269B1 Preparation of quinonediimines from phenylenediamines using hydrogen peroxide and a catalyst
05/01/2003WO2003035604A1 Process for the preparation of aryl hydrazone and aryl hydrazine
05/01/2003CA2463261A1 Process for the preparation of aryl hydrazone and aryl hydrazine
04/2003
04/24/2003WO2003016282A3 Substituted 1h-dihydropyrazoles, their preparation and use
04/24/2003US20030078160 Process for the production of a titanium silicalite shaped body
04/23/2003EP1303480A1 Process for the production of cyclohexanone oxime
04/23/2003EP1173452B1 Metal organic catalysts for polymerizing unsaturated compounds
04/23/2003EP1091931B1 Preparation of quinonediimines from phenylenediamines using oxygen and a metal or metal salt catalyst
04/23/2003CN1106388C Method and composition for regeneration of aminal compound
04/16/2003EP1301468A1 Process for the production of cyclohexanone oxime
04/10/2003WO2003029189A1 Process for producing (2-nitrophenyl)acetonitrile derivative and intermediate therefor
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 36