Patents
Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809)
11/2002
11/27/2002EP0671928B1 Synthesis of n-substituted oligomers
11/20/2002EP1258492A1 N-substituted oligomers and methods for their synthesis, e.g. polyglycine bearing nucleic acid bases
10/2002
10/31/2002WO2002085838A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
10/31/2002WO2002048072A3 Organic reactions with co generating materials
10/30/2002CN1377350A Process for production of naphthyridine-3-carboxylic acid derivatives
10/22/2002US6469211 Hydrogenation of nitriles over Raney catalysts
10/22/2002US6469193 Efficient synthesis of alkyl carbonates
10/22/2002US6468487 Nitration or carboxylation catalysts
10/17/2002WO2002081414A2 Supercritical hydrogenation
10/17/2002CA2442926A1 Supercritical hydrogenation
10/02/2002CN1372558A Intermediates for the production of quinolone carboxylic acid derivatives
09/2002
09/25/2002EP1243333A2 High surface microporous materials which are active in oxidation reactions. tiq-6 and metiq-6
09/25/2002EP1000010B1 Nitration process for diphenyl ethers
09/12/2002CA2710031A1 Polymer precursors of radiolabeled compounds, and methods of making and using the same
09/11/2002EP1238704A2 Catalyst comprising a cyclic imide compound and process for producing organic compounds using the catalyst
09/11/2002CN1368945A Transfer hydrogenation process
09/10/2002US6448398 Process for preparing acid amides from (Si, Ge, or Sn substituted amino)-1,3,5-triazines and acid halides
09/06/2002WO2002036559A3 Process for the production of amides
08/2002
08/27/2002US6441232 Preferential fluorination
08/22/2002US20020115612 High-speed automated solid-phase synthesis repeating steps of acylation of a resin-bound secondary amine with haloacetic acid followed by nucleophilic displacement of the halogen by an N-substituted amine; libraries
08/15/2002WO2002062729A2 Method for hydrogenating liquid organic compounds
08/14/2002DE10105277A1 Verfahren zur Hydrierung von flüssigen organischen Verbindungen A process for the hydrogenation of liquid organic compounds
07/2002
07/09/2002US6417010 Methods and apparatus for synthesizing labeled combinatorial chemistry libraries
06/2002
06/26/2002CN1355810A Prodrugs of thrombin inhibitors
06/20/2002WO2002048091A1 Method of introducing amino group and method of synthesizing amino acid compound
06/20/2002WO2002048072A2 Organic reactions with co generating materials
06/19/2002EP1214321A1 Process for production of naphthyridine-3-carboxylic acid derivatives
06/12/2002EP1212321A2 Intermediates for the production of naphthyridine-3-carboxylic acid derivatives
06/11/2002US6403802 Use of catalyst system comprising nickel, palladium, or platinum and imidazoline-2-ylidene or imidazolidine-2-ylidene in amination reactions
06/05/2002EP1210305A1 Transfer hydrogenation process
06/04/2002US6399808 Reacting amine with carbon dioxide in anhydrous solvent
05/2002
05/29/2002EP1209146A1 Process for the hydrogenation of nitriles to primary amines using Raney-catalysts
05/29/2002CN1351609A Low-molecular inhibitors of complement proteases
05/23/2002WO2002040155A1 Process for hydrogenation of carbonyl and iminocarbonyl compounds using ruthenium catalysts comprising tetradentate diimino-diphosphine ligands
05/23/2002DE10056840A1 Continuous hydrogenation of nitrites to primary amines over activated Raney catalyst, involves hydrogenating nitrites in absence of ammonia and basic alkali or alkaline earth metal compounds
05/22/2002EP0923510B1 Method for nitration of aromatic compounds
05/16/2002US20020058842 Continuous hydrogenation of nitrites to primary amines in the liquid phase over a suspended, activated Raney catalyst based on an alloy of aluminum and at least one transition metal, in absence of ammonia
05/15/2002CN1349526A Prodrugs of thrombin inhibitors
05/10/2002WO2002036559A2 Process for the production of amides
05/02/2002EP1200407A1 Reductive methylation of tetrahydroisochinoline in a static micromixer
05/02/2002EP1200401A1 Method for producing protected acyl guanidines by way of mukaiyama reaction
05/02/2002EP1200375A2 Nitration in a static micromixer
05/01/2002CN1346823A Process for nitrating aromatic hydrocarbons
04/2002
04/23/2002US6376253 Cultivation of a microbial culture containing isotopically labeled amino acids
04/18/2002WO2002030865A2 Aromatic nitration reactions
04/18/2002CA2425301A1 Aromatic nitration reactions
04/11/2002DE10047163A1 Verfahren zur Nitrierung aromatischer Kohlenwasserstoffe Process for the nitration of aromatic hydrocarbons
04/09/2002US6369265 Heterocoupling reaction, mixing in a liquid an aryl halide, bonding to aromatic rings, grignard reaction, metal compound and heterocyclic carbene
04/04/2002WO2002010178A8 Adamantyl groups containing phosphane ligands, the production and use thereof in catalytical reactions
03/2002
03/28/2002US20020038060 Nitration of aromatic hydrocarbons
03/27/2002EP1191014A1 Process for the nitration of aromatic hydrocarbons
03/26/2002US6362381 Aromatic hydrocarbon in the liquid phase is reacted with an oxide of nitrogen selected from no, n2o3, no2 and n2o4 and with an oxygen-containing gas stream in the presence of a heterogeneous oxidic catalyst, for nitration
03/26/2002US6362357 Use a catalyst system comprising nickel palladium or platinum and imidazoline-2-ylidene or imidazolidine-2-ylidene in stille coupling reactions
03/21/2002WO2002022526A2 Catalytic hydrogenation processes
03/14/2002WO2001037629A3 High surface microporous materials which are active in oxidation reactions. tiq-6 and metiq-6
03/13/2002CN1080732C Process for preparing epoxy compounds
03/06/2002EP1184358A2 Process for treatment and purification of the reaction products obtained by reduction with lithium aluminium hydride
02/2002
02/21/2002DE10035828A1 Aminolytic degradation of cross-linked polymer derived from diisocyanates, comprises reaction of polymer with aliphatic mono- or diamines
02/20/2002CN1336356A Method for prepn. of alkaline organic nitrogen-contg. compound by using aluminium lithium oxide reduction method
02/14/2002WO2001066248A3 C-c and c-n coupling catalyst comprising transition metal and carbene
02/14/2002DE10037408A1 Verfahren zur Herstellung von basisch reagierenden, organischen, stickstoffhaltigen Verbindungen durch Reduktion mit Lithiumaluminiumhydrid Process for the preparation of basic organic nitrogen-containing compounds by reduction with lithium aluminum hydride
02/07/2002WO2002010178A1 Adamantyl groups containing phosphane ligands, the production and use thereof in catalytical reactions
02/07/2002US20020016462 Producing 3-amino-1-benzylpyrrolidine and 8-benzyl-2,8-diaza bicyclo(4.3.0)-nonane; reaction mixture added to an aqueous solution in which substances containging alpha-hydroxy carboxyl and/or alpha-aminocarboxyl groups are dissolved
02/07/2002DE10037961A1 Neue Phosphanliganden, deren Herstellung und ihre Verwendung in katalytischen Reaktionen New phosphine ligands, their preparation and their use in catalytic reactions
02/05/2002US6344566 Method for producing enantiomer-free N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrolidine-1-yl)ethyl]-2,2-diphenylacetamide
02/01/2002CA2354275A1 Process for preparing basic organic nitrogen-containing compounds by reduction with lithium aluminum hydride
01/2002
01/31/2002US20020013501 By Reformatsky rearrangement of aldehydes, ketones, or imines in presence of zinc
01/31/2002DE10032269A1 Verfahren und Vorrichtung zur Verringerung von Nebenprodukten bei der Vermischung von Eduktströmen Method and device for reduction of by-products during the mixing of starting material streams
01/22/2002US6340578 High speed determination of three-dimensional structure using isotopes; polypeptide biosynthesis
01/17/2002DE10031604A1 Verfahren zur Herstellung von beta-Hydroxy- und beta-Aminocarbonylverbindungen A process for preparing beta-hydroxy and beta-amino carbonyl compounds
01/15/2002US6339157 Synthesis of carboxamides from the catalyzed reaction of aldehydes and amines
01/10/2002WO2002002217A1 Method and device for reducing byproducts in the mixture of educt streams
01/09/2002EP1169338A2 Low-molecular inhibitors of complement proteases
01/09/2002EP1169318A1 Prodrugs of thrombin inhibitors
01/09/2002EP1169315A2 Method for producing amidines
01/03/2002WO2002000575A1 Process for the preparation of nitroalkenes
01/03/2002CA2740931A1 Catalysis using phosphine oxide and sulfoxide compounds
01/02/2002EP1167325A1 Process for preparing hydroxy and amino compounds
01/02/2002EP1165601A2 Prodrugs of thrombin inhibitors
01/01/2002US6335196 13C,15N ,2H labeled proteins for NMR structure determinations and their preparation
12/2001
12/19/2001EP1163194A1 Selective nitrogen functionalisation of organic compounds
12/19/2001CN1076341C Selective nitration o phenol derivatives
12/18/2001US6331628 Reacting a substituted halobenzene with potassium, sodium and/or zinc cyanide in the presence of a metallic catalyst
12/13/2001DE10026142A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung von organischen Mono- oder Polyisocyanaten Method and apparatus for the continuous production of organic mono- or polyisocyanates
12/06/2001WO2001091898A1 Method and device for the continuous production of organic mono or polyisocyanates
11/2001
11/13/2001US6316380 One transition metal compound and at least one n-heterocyclic carbene or its protonated salt
11/07/2001CN1321140A Transfer hydrogenation process
10/2001
10/24/2001CN1073551C Ethenyl amide compound prodn process
10/23/2001CA2062788C Improved process for preparing isepamicin
10/17/2001EP1144360A1 A method for the synthesis of compounds of formula 1 and derivatives thereof
10/11/2001WO2000050376A9 Efficient synthesis of alkyl carbonates
10/04/2001WO2000064841A3 Phosphine ligands, metal complexes and compositions thereof for cross-coupling reactions
10/04/2001EP1138657A1 Process for generating electrophiles from anions by reaction with electrophilic fluorinating agent
10/02/2001US6297372 Process for the preparation of hexanitrohexaazaisowurtzitanes
09/2001
09/27/2001WO2001070650A1 Method for dehydrating organic compounds in a microreactor
09/27/2001DE10014296A1 Dehydration of organic compounds to form unsaturated compounds comprises mixing the organic compound in liquid or dissolved form with a dehydrating agent in liquid or dissolved form in a microreactor
09/26/2001EP0937015B1 Nitration process
09/20/2001WO2001017961A3 Intermediates for the production of naphthyridine-3-carboxylic acid derivatives
09/13/2001WO2001066248A2 C-c and c-n coupling catalyst comprising transition metal and carbene
09/05/2001EP0923533B1 Hydrogenation of aromatic nitrocompounds to aromatic amines
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