Patents
Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809)
08/2000
08/02/2000CN1055028C New catalyst for preparing 2,6-dichlorobenzyl nitrile by ammonia oxidation process
07/2000
07/27/2000WO2000043352A1 A method for the synthesis of compounds of formula 1 and derivatives thereof
07/27/2000CA2359076A1 A method for the synthesis of compounds of formula 1 and derivatives thereof
07/19/2000CN1260782A Process for making 2-aryl-3-aryl-5-halo pyridines useful as cox-2 inhibitors
07/18/2000US6090913 Transesterification and other conversion reactions of acid derivatives, using an amidine base
07/11/2000US6087186 Synthetic library of random oligomers, each member comprising an oligomer linked to a microchip encoded with information identifying structure of oligomer; for drug screening
06/2000
06/21/2000EP1009725A1 13c,15n,2h labeled proteins for nmr structure determinations and their preparation
06/14/2000EP0746326A4 Oligomeric compounds having nitrogen-containing linkages
05/2000
05/30/2000US6069281 Process for producing organic nitrogen compounds, special organic nitrogen compounds and mixtures of such compounds and their use as fuel and lubricant additives
05/17/2000EP1000016A1 Isocyanoalkyl carbonic acid derivatives, their conversion into secondary amidoalkyl carbonic acid derivatives by isocyanide-multicomponent reactions, as well as these secondary amidoalkyl carbonic acid derivatives.
05/17/2000EP1000010A1 Nitration process for diphenyl ethers
05/10/2000EP0998449A1 Method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring in the presence of an palladium complex catalyst
04/2000
04/20/2000DE19847231A1 Process for the production of substituted amines comprises synthesis at a solid phase having diazonium functionality
04/12/2000CN1250439A Method for producing 5-aminomethyl-2-chloropyridines
04/06/2000WO2000018708A1 Transfer hydrogenation process
04/06/2000WO2000018507A1 Process for manufacture and use of improved attrition resistant catalyst
03/2000
03/15/2000EP0985448A1 Nickel catalyst
03/15/2000EP0984909A1 Use of a rhodium catalyst for hydroamination and/or oxidative amination of aryl-substituted olefins and method for producing a 2-aryl vinyl amine
03/15/2000EP0984831A1 Moulded activated metallic fixed-bed catalyst
03/09/2000WO2000012210A1 Nickel catalyst
02/2000
02/22/2000US6028219 Process for the nitration of diphenylethers
02/02/2000EP0975596A1 Process for making 2-aryl-3-aryl-5-halo pyridines useful as cox-2 inhibitors
01/2000
01/12/2000EP0970052A1 Method for producing 5-aminomethyl-2-chloropyridines
12/1999
12/29/1999EP0966427A1 Preparation of acid amides and metallisation of compounds
12/29/1999EP0763011B1 Process for the preparation of unsaturated amino compounds
12/22/1999CN1047590C Hydrogenation process of aromatic nitro derivatives
11/1999
11/30/1999US5994557 Method of acylating amines using N,N'-diacylimidazolone derivatives
11/30/1999CA2155797C Process for preparing aromatic polyisocyanate compounds in the gas phase
11/16/1999US5986137 Catalytic allylation of aromatic alcohols or amines
11/10/1999CN1234786A Nitrification process
11/03/1999CA2059786A1 Method of preparing heteroalicyclic n-nitro compounds
10/1999
10/28/1999WO1999054298A1 Method for producing enantiomer-free n-methyl-n- [(1s)-1-phenyl- 2-((3s)- 3-hydroxypyrrolidine- 1-yl)ethyl]- 2,2-diphenyl acetamide
10/26/1999US5973206 Mixing an aromatic nitrocompound, hydrogen gas and a solvent together under elevated pressure and temperature to form a homogenous mixture in a supercritical or near-critical state and bringing the resulting homogenous mixture into contact
10/21/1999WO1999032428A8 Synthesis of diamines
10/21/1999DE19827633A1 Production of N-methyl-N-(1-phenyl-2-(3-hydroxypyrrolidino)ethyl)-2,2-diphenylacetamide enantiomers, e.g. with antiinflammatory, analgesic and diuretic activity
10/05/1999US5961945 Method of producing cyano compounds by ammoxidation
09/1999
09/21/1999US5956657 N2o3, no catalyst
09/21/1999US5955634 Group viii metal catalyst with water soluble phosphine coordinating agent
09/15/1999CN1228769A Process for preparing amidines
09/14/1999US5952531 Nitration process
09/10/1999WO1999032428A3 Synthesis of diamines
09/01/1999CN1227556A Process for preparation of hexanitrohexaazaiso wurtzitanes
09/01/1999CN1227222A Process for preparation of pyridine dicarboxylate derivatives
08/1999
08/25/1999EP0937015A1 Nitration process
08/25/1999CN1226885A Process for producing amines and amino nitriles
08/24/1999US5942613 Epsilon-caprolactam produced via the catalystic rearrangement of cyclohexanone oxime in vapor phase with a silica-alumina catalyst having a specific x-ray diffraction pattern, molar ratio, high surface area and high pore volume; selectivity
08/17/1999US5939588 Asymmetric fluorine-containing primary amines and their preparation
08/11/1999CN1225361A Process for the prepn. of N, N'-subistituted ureas
08/04/1999EP0933362A1 A process for the preparation of pyridine dicarboxylate derivatives
07/1999
07/28/1999EP0931069A1 Process for preparing amidines
07/28/1999EP0931053A1 Process for the preparation of substituted aromatic amino compounds
07/27/1999US5929281 Process for producing heterocyclic aromatic amine or arylamine
07/01/1999WO1999032428A2 Synthesis of diamines
06/1999
06/30/1999CN1043889C Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof
06/23/1999EP0923533A1 Hydrogenation of aromatic nitrocompounds to aromatic amines
06/23/1999EP0923510A1 Nitration system, and method for nitration of aromatic compounds
06/17/1999WO1999029665A1 Method for producing salts of cyclic amidines
06/17/1999CA2313194A1 Method for producing salts of cyclic amidines
06/16/1999EP0922025A1 Nitrosation method of a phenolic composition substituted by an electro-attracting group and use thereof
06/15/1999CA2091666C Process for preparing isocyanates
06/10/1999WO1999028290A1 Synthesis of oligoarylamines, and uses and reagents related thereto
06/10/1999DE19754322A1 Verfahren zur Herstellung von Salzen cyclischer Amidine A process for the preparation of salts of cyclic amidines
06/09/1999EP0920456A1 Phosgenated oxime resins and their preparation
06/02/1999EP0919556A1 Process for the preparation of hexanitrohexaazaisowurtzitanes
06/01/1999US5908943 Prepared by (i) reacting an allyl derivative of an active hydrogen-containing compound with (ii) a peroxygen-containing compound.
05/1999
05/26/1999EP0799261B1 Process for preparation of allyl ether, thioether and amine compounds
05/25/1999CA2174808C Process for the condensation of hydrogen cyanide with an aldehyde
05/19/1999EP0915827A1 Process for producing amines and amino nitriles
05/14/1999WO1999023061A1 Method for producing aromatic nitro compounds
05/14/1999CA2308288A1 Method for producing aromatic nitro compounds
05/06/1999DE19808748A1 Verfahren zur Herstellung aromatischer Nitroverbindungen A process for preparing aromatic nitro compounds
04/1999
04/15/1999WO1999018064A1 Method for functionalizing a phenolic compound bearing an electron-donor group
04/07/1999EP0906253A1 Supercritical hydrogenation
04/06/1999US5892050 Process for the preparation of pyridine dicarboxylate derivatives
03/1999
03/11/1999WO1999011589A1 13c, 15n, 2h labeled proteins for nmr structure determinations and their preparation
03/02/1999US5877340 Catalytic hydrogenation of the corresponding nitro aromatic compound
03/02/1999US5877312 Method for preparing alkylating agents for their use for alkylating cyclic ureas
03/02/1999US5877121 Substituted pyrimidin(ethi)ones
02/1999
02/24/1999EP0897747A1 Nitration or carboxylation catalysts
02/04/1999WO1999005093A1 Isocyanoalkyl carbonic acid derivatives, their conversion into secondary amidoalkyl carbonic acid derivatives by isocyanide-multicomponent reactions, as well as these secondary amidoalkyl carbonic acid derivatives.
02/04/1999WO1999005087A1 Nitration process for diphenyl ethers
01/1999
01/28/1999DE19731893A1 New acylamino:alkyl-(thio)carbonate derivatives
01/14/1999WO1999001418A1 Method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring in the presence of an palladium complex catalyst
01/14/1999CA2294733A1 Method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring in the presence of an palladium complex catalyst
01/05/1999US5856578 Process for the preparation of unsaturated amino compounds
12/1998
12/23/1998CN1202903A Targeted cytotoxic anthracycline analogs
12/22/1998US5852160 Phosgenated oxime resins and their preparation
12/08/1998US5847231 Selective nitration of phenol derivatives
12/08/1998US5847213 Process for production of tertiary amine compound
12/08/1998US5847117 Reagent and catalytic process useful for cleaving a protected functional group
12/03/1998WO1998054115A1 Use of a rhodium catalyst for hydroamination and/or oxidative amination of aryl-substituted olefins and method for producing a 2-aryl vinyl amine
12/03/1998WO1998053910A1 Moulded activated metallic fixed-bed catalyst
12/03/1998DE19722373A1 Verwendung eines Rhodiumkatalysators sowie ein neues Verfahren zur Herstellung von 2-arylsubstituierten Ethylen- und Ethylaminen The use of a rhodium catalyst and a novel process for preparing 2-aryl-substituted ethylene and ethylamines
12/03/1998DE19721898A1 Geformter, aktivierter Metall-Festbettkatalysator Molded, activated metal fixed-bed catalyst
12/03/1998CA2290980A1 Moulded activated metallic fixed-bed catalyst
12/01/1998US5843903 Targeted cytotoxic anthracycline analogs
11/1998
11/10/1998US5834258 Stereoselective conversion of racemic mixtures of 5-substituted hydantoins with enzyme
10/1998
10/29/1998WO1998047871A1 Process for making 2-aryl-3-aryl-5-halo pyridines useful as cox-2 inhibitors
10/29/1998DE19728760C1 Amination or aryl compounds
09/1998
09/24/1998WO1998041504A1 Method for producing 5-aminomethyl-2-chloropyridines
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