Patents
Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809)
04/1989
04/11/1989US4820858 Process for the preparation of 2-(hydroxyalkyl)acrylic compounds
03/1989
03/15/1989EP0307361A2 Process for the preparation of carbodiimides
03/01/1989EP0304778A1 Process for the production of N-acylated mercapto-alpha-amino acids
02/1989
02/22/1989EP0303892A1 Process for the monoacylation of water-soluble organic amino compounds
02/01/1989EP0302021A2 Process for the preparation of optically active secondary aryl amines
02/01/1989EP0301486A2 Process for producing cyclohexanone oxime
02/01/1989EP0301457A2 Process for the preparation of optically active secondary amines
01/1989
01/31/1989US4801748 Catalytic process for preparing amide from nitrile, amine and water
01/31/1989US4801744 Selenium catalyst
01/25/1989EP0300966A2 Process for the selective N-acylation of amino-hydraxamic and derivates and starting compounds therefor
01/11/1989EP0298261A1 Process for the preparation of salts of aminomalonic dinitrile
01/04/1989EP0297397A2 Preparation of diazo and azo compounds
11/1988
11/30/1988EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor
11/22/1988US4786744 Reaction with alcohol or amine
11/15/1988US4785089 Hypotensive agents
11/02/1988EP0289353A2 Modified BOP reagent for solid phase peptide synthesis
11/01/1988CA1244031A1 Process for preparing nitroxyls of sterically hindered amines
11/01/1988CA1244023A1 Amination of conjugated dienes
10/1988
10/26/1988EP0288427A2 Process for the preparation of alpha-cyano esters
09/1988
09/27/1988US4774331 Process for ortho-cyanation of phenols or phenylamines
09/27/1988CA1242459A1 Process for the destruction of by-product tetranitromethane
09/14/1988EP0282266A2 Process for producing carboxylic acid amides or esters
08/1988
08/16/1988US4764498 Silica-containing shaped articles and a process for their preparation
07/1988
07/26/1988US4760183 Process for the preparation of aromatic dialkylamines
07/19/1988US4758546 Preparation of catalysts, and their use in hydrogenation and amination reactions
07/13/1988EP0274324A1 Process for the preparation of thienylethyl amines, and dithienylethyl amines so obtained
07/12/1988US4757144 Adding aqueous or methanolic solution of formaldehyde to mixture of primary or secondary amines, palladium or platinum catalyst
07/12/1988US4757043 Process for preparing vapor phase nitration catalysts
06/1988
06/29/1988EP0272279A1 Process for producing diaminoalkane derivatives
06/22/1988EP0271868A2 Process for preparing optically active cyano compound
06/15/1988EP0271093A1 Method of producing formamide compounds
06/08/1988EP0270106A1 Process for reducing aromatic compounds having NO double bonds
05/1988
05/31/1988US4748277 Process for the preparation of trifluoromethylanilines
05/24/1988US4746754 Aminotertiarylalkylphenol and phosgene
05/24/1988US4746642 Selective distribution of isomers in nitration of chlorobenzene
03/1988
03/08/1988US4730075 Chemical process involving ethers and amines
03/02/1988EP0257583A1 Process for ortho-cyanation of phenols or phenylamines
02/1988
02/24/1988EP0256982A2 Method for the preparation of optically active secondary aryl amines
01/1988
01/07/1988EP0251168A2 Process for the production of amides
12/1987
12/16/1987EP0248879A1 Synthesis of aryloxypropanolamines and arylethanolamines
12/15/1987US4713232 Process for the destruction of by-product tetranitromethane
12/10/1987DE3718223A1 Novel polyfunctional derivatives of 2-methylbutanoic acid and novel process for the preparation of these and other 2-methylbutanoic acid derivatives
12/03/1987WO1987007312A1 Process for producing diaminoalkane derivatives
11/1987
11/26/1987DE3617605A1 Verfahren zur herstellung von diaminoalkan-derivaten A process for preparing diaminoalkane derivatives
11/25/1987EP0246849A1 Method of preparing N-acryloyl-alpha-amino acids
11/19/1987EP0246061A2 A benzoylurea derivative and its production and use
11/18/1987CN87102764A Process for the destruction of by-product tetranitromethane
10/1987
10/20/1987US4701434 Promoted nickel and/or cobalt catalyst, its use, and process performed in its presesnce
10/14/1987EP0241194A1 Process for the destruction of by-product tetranitromethane
09/1987
09/29/1987CA1227488A1 Hydration process of nitrile compound
09/22/1987CA1227159A1 Photochemical process for preparing amines
09/16/1987EP0236591A1 Process for the preparation of alpha-hydroxycarboxylic acid amides
09/15/1987US4694103 Method of preparing N-acryloyl-α-amino acids
08/1987
08/26/1987EP0233455A1 Hydrogenation and reduction by means of the hydrocarbon/carbon system
08/26/1987CN87100860A Process for manufacture of carboxylic acid amides
08/12/1987EP0231845A2 Process for the preparation of carboxylic-acid amides
08/12/1987EP0231546A1 Process for the preparation of alpha-amino-alpha-methylcarboxylic acid amides and alpha-amino-alpha-cycloalkylcarboxylic acid amides
08/04/1987CA1225079A1 Promoted nickel and/or cobalt catalyst, its use and process performed in its presence
06/1987
06/23/1987US4675359 Process for producing water-soluble acid amide compounds
06/18/1987WO1987003583A1 Synthesis of aryloxypropanolamines and arylethanolamines
05/1987
05/27/1987EP0223151A2 Process for the selective hydrogenation of unsaturated compounds
03/1987
03/17/1987CA1219281A1 Halogenation-nitration-fluoration of aromatic derivatives
03/04/1987EP0212303A2 Process for the preparation of aromatic dialkyl amines
02/1987
02/19/1987DE3627280A1 Process for preparing aminocarboxylic acids of the acid type
01/1987
01/21/1987EP0208987A1 Process for the production of catalysts, and their use in hydrogenation or amination reactions
12/1986
12/30/1986EP0206993A1 Sulphonic-acid esters
12/16/1986CA1215379A1 Process for the preparation of isocyanates through the thermal cleavage of urethanes
12/09/1986US4628131 Vapor phase nitration of aromatic compounds
10/1986
10/21/1986US4618733 Group 4b-group 3b metal mixed oxide catalyst
10/21/1986CA1212953A1 Nitration of organic compounds and organic nitrogen compounds produced
10/15/1986EP0197657A2 A novel process for preparing amides from nitriles and amines
10/14/1986US4617154 From olefin and alcohol or amine using amidine or lewis base and epoxide catalyst
10/08/1986EP0196708A1 Process for the preparation of 2-(hydroxyalkyl)acrylic compounds
10/08/1986EP0196454A1 Process for removing an amino protecting group
09/1986
09/10/1986EP0193982A1 Process for the catalytic preparation of nitrogen-containing organic compounds, especially ureas and their polymers
08/1986
08/13/1986EP0190322A1 Process for the production of amino compounds from hydroxyl compounds.
08/06/1986EP0189774A1 Process for production of N,N-disubstituted carboxylic acid amides
07/1986
07/29/1986CA1208626A1 Process for the preparation of hydrochlorides
07/22/1986US4602111 Polybromo tertiary amine
07/16/1986CN86100282A Process for production of n,n-disubstitutted carboxylic acid amides
07/15/1986US4600702 Vapor phase nitration catalysts
06/1986
06/11/1986EP0184569A1 Vapor phase nitration catalysts and processes for the preparation and use thereof
05/1986
05/28/1986EP0182771A1 Vapor phase nitration catalysts and processes for the preparation and use thereof
05/13/1986US4588786 Acid salt and primary amine
04/1986
04/02/1986EP0176398A1 Amination process for conjugated dienes
03/1986
03/26/1986EP0175581A2 Hydration process of nitrile compound
03/13/1986WO1986001502A1 Process for the production of amino compounds from hydroxyl compounds
02/1986
02/05/1986EP0170517A2 Process for the production of 1,2-amino alcohols
01/1986
01/21/1986US4565866 Method for the preparation of formamides
01/08/1986EP0167451A2 A new process for preparing novel N-(acyloxy-alkoxy) carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs
01/02/1986EP0166652A1 Process for the ring opening of gem-dicyanoepoxides, and compounds obtained by this process
01/02/1986EP0166650A1 Process for opening the ring of gem-dicyanoepoxydes and compounds produced by this process
12/1985
12/31/1985US4562253 Penicillins and cephalosportins to corresponding amine
12/24/1985CA1198430A1 Catalysis of condensation reactions
12/18/1985EP0165044A2 Method of reacting an aldehyde- containing compound with a nucleophilic compound
12/17/1985US4559172 Using hydroxy-substitued aromatic oxime ester
11/1985
11/26/1985US4555370 Cyantation of acyl. fluoride
11/05/1985CA1196338A1 Process for the preparation of acyl cyanides
11/05/1985CA1196322A1 Silica-containing shaped articles, a process for their preparation, and their use
10/1985
10/23/1985EP0158716A2 Photochemical process for preparing amines
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