| Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809) |
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| 09/17/1998 | DE19710613A1 Verfahren zur Herstellung von 5-Aminomethyl-2-chlorpyridinen Process for the preparation of 5-aminomethyl-2-chloropyridines |
| 09/17/1998 | DE19706490C1 Verfahren zur Herstellung von Säureamiden und zur Metallierung von Verbindungen und Verwendung der nach den Verfahren hergestellten Verbindungen Process for the preparation of acid amides and the metalation of compounds and use of the compounds prepared by the processes |
| 09/16/1998 | EP0863917A1 Targeted cytotoxic anthracycline analogs |
| 09/15/1998 | US5808143 Catalyst based on oxides of Fe, Co, Bi and Mo |
| 09/01/1998 | US5801284 Iron-containing raney nickel catalyst |
| 08/27/1998 | WO1998037057A1 Preparation of acid amides and metallisation of compounds |
| 08/04/1998 | US5789621 Preparation of amines and aminonitriles |
| 07/21/1998 | US5783682 Oligonucleotide mimics having nitrogen-containing linkages |
| 07/16/1998 | WO1998030329A1 Nitration or carboxylation catalysts |
| 07/01/1998 | EP0850915A1 Method for producing nitro compounds |
| 06/30/1998 | US5773660 Amination |
| 06/23/1998 | US5770455 Identifier tag which is a microchip that is pre-encoded or encodable with information that is related back to a detector when the tag is pulsed with electromagnetic radiation |
| 05/27/1998 | CN1182728A Process for preparing prussiate by ammoxidation |
| 05/26/1998 | US5756803 Process for the condensation of an aldehyde with hydrogen cyanide |
| 05/26/1998 | US5756731 Process for preparation of (-)3(S)-methylbenzoxazine derivative |
| 05/20/1998 | EP0842897A1 Process for the preparation of cyano compounds by ammonoxidation |
| 05/14/1998 | WO1998019978A1 Nitration process |
| 05/12/1998 | US5750761 Reaction with a cyanide and oxidizing agent in presence of halides |
| 05/12/1998 | US5750649 Reacting acid and amine in presence of carbodiimide dehydrating agent and n-hydroxy compound; peptides |
| 05/06/1998 | EP0839126A1 Process for producing organic nitrogen compounds, special organic nitrogen compounds and mixtures of such compounds and their use as fuel and lubricant additives |
| 04/29/1998 | EP0838431A1 Process for the preparation of titanium-containing molecular sieves |
| 04/25/1998 | CA2219248A1 Process for the preparation of titanium-containing molecular sieves |
| 04/02/1998 | WO1998013331A1 Process for the preparation of substituted aromatic amino compounds |
| 04/01/1998 | CN1177594A Process for preparation of acid amides from oximes |
| 03/24/1998 | US5730845 Method and apparatus of producing an organo-nitrogen compound |
| 03/17/1998 | US5728901 Perfluoroalkyl sulfonates, fluorosulfonates, hexafluorophosphates, nitrates |
| 03/12/1998 | WO1998009950A1 Process for preparing amidines |
| 03/12/1998 | DE19647527C1 Cyano compounds preparation |
| 03/12/1998 | CA2264723A1 Process for preparing amidines |
| 03/05/1998 | WO1998008786A1 Nitration system, and method for nitration of aromatic compounds |
| 03/05/1998 | DE19635674A1 Verfahren zur Herstellung von Amidinen Process for the preparation of amidines |
| 03/04/1998 | EP0825975A1 Process for the preparation of substituted aromatic amino compounds |
| 03/04/1998 | CN1174829A Selective nitration of phenol derivatives |
| 03/03/1998 | US5723665 Reacting schiff base with acyl halide under low pressure while removing by-produced hydrogen halide; amidation |
| 02/26/1998 | WO1998007763A1 Phosgenated oxime resins and their preparation |
| 02/26/1998 | DE19723214A1 Preparation of 4-nitro:phenol derivative pharmaceutical intermediates |
| 02/26/1998 | DE19634110A1 Aromatic amine production by direct amination of hydrocarbon |
| 02/12/1998 | WO1998005666A1 Process for the preparation of hexanitrohexaazaisowurtzitanes |
| 02/11/1998 | EP0823422A1 Process for the preparation of amides from oximes |
| 02/05/1998 | WO1998004515A1 Process for producing amines and amino nitriles |
| 02/05/1998 | CA2261614A1 Process for producing amines and amino nitriles |
| 01/28/1998 | EP0820809A1 Titanium catalyst, organotitanium reaction reagent, processes for producing these, and method of reaction using these |
| 01/22/1998 | WO1998002408A1 Nitrosation method of a phenolic composition substituted by an electro-attracting group and use thereof |
| 01/22/1998 | CA2259931A1 Nitrosation method of a phenolic composition substituted by an electro-attracting group and use thereof |
| 01/21/1998 | CN1171125A Process for preparing allyl ether, thioether and amine compounds |
| 01/21/1998 | CN1171124A Process for preparing epoxy compounds |
| 12/30/1997 | US5703246 Reacting an organometallic compound with organosulfur compound |
| 12/29/1997 | EP0720512B1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES |
| 12/23/1997 | US5700946 Process for production of N-vinyl compound |
| 12/03/1997 | CN1166378A New catalyst for preparing 2,6-dichlorobenzyl nitrile by ammonia oxidation process |
| 12/03/1997 | CN1036583C Process for conversion of oximes into corresponding amides |
| 12/02/1997 | US5693853 Using carbonyl chloride produced from chlorine and contaminated carbon monoxide, wherein the carbonyl chloride is purified |
| 11/18/1997 | US5689005 Reductive deoxygenation using a redox catalyst |
| 11/05/1997 | EP0804424A1 Substituted pyrimidine(thi)ones |
| 10/23/1997 | WO1997038955A1 Supercritical hydrogenation |
| 10/23/1997 | CA2251693A1 Supercritical hydrogenation |
| 10/22/1997 | EP0802173A1 Process for producing heterocylic aromatic amine or arylamine |
| 10/21/1997 | US5679839 Reacting a compound with two primary amines on an aromatic nucleus with phosgene |
| 10/15/1997 | EP0801083A2 Improved functionalized resin for chemical synthesis |
| 10/08/1997 | EP0799262A1 Process for preparation of epoxy compounds |
| 10/08/1997 | EP0799261A1 Process for preparation of allyl ether, thioether and amine compounds |
| 10/08/1997 | CN1161326A ethenyl amide compound prodn. process |
| 10/08/1997 | CA2201804A1 Improved functionalized resin for chemical synthesis |
| 09/24/1997 | EP0766675A4 Improved chichibabin aminations of pyridine bases |
| 09/23/1997 | US5670685 Process for preparing carboxylates of polyoxyalkylene siloxanes |
| 09/17/1997 | CN1035873C Preparation of amides and peptides |
| 09/16/1997 | US5668261 Process for preparing carboxylates of alkylpolyglucosides |
| 09/11/1997 | DE19630788C1 Amine(s) preparation by hydrogenation, especially of nitrile(s) |
| 09/10/1997 | EP0794176A1 Process for production of tertiary amine compound |
| 08/28/1997 | WO1997030967A1 Hydrogenation of aromatic nitrocompounds to aromatic amines |
| 08/19/1997 | CA1339312C Process for the manufacture of carboxylic acid amides |
| 08/13/1997 | EP0789018A1 Hydrogenation of halonitroaromatic compounds |
| 08/13/1997 | CN1156991A Substituted pyrimidine (thi) ones |
| 08/13/1997 | CN1156990A Improved chichibabin aminations of pyridine bases |
| 08/06/1997 | EP0787129A1 Process for preparing acid amides |
| 07/30/1997 | EP0786449A1 Process for the preparation of amines from olefins on hexagonal faujasites |
| 07/08/1997 | US5646085 Amination |
| 06/10/1997 | US5637780 Reacting diol with halogenating reagent in chlorinated solvent to form hydroxy halide, protecting hydroxy group |
| 06/05/1997 | WO1997019954A1 Targeted cytotoxic anthracycline analogs |
| 05/28/1997 | EP0775748A2 Preparation of D-alpha-amino acids, using bacteria transformed with the carbamoylase-hydantoinase operon |
| 05/28/1997 | EP0775688A1 Method for producing addition reaction product of amines and alpha, beta-unsaturated compounds |
| 05/21/1997 | EP0774456A1 Ethenyl amide compounds production process |
| 05/07/1997 | CN1149287A Process for the preparation of unsaturated amino compounds |
| 04/29/1997 | US5625030 Methods for synthesizing oligomers containing hydroxy acid units |
| 04/23/1997 | CN1148041A Method for condensation reaction for hydrocyanic acid and aldehyde |
| 04/16/1997 | EP0767770A1 Method for preparing alkylating agents and their use for alkylating cyclic ureas |
| 04/15/1997 | US5621084 Process for removal of allyl group or allyloxycarbonyl group |
| 04/09/1997 | EP0766675A1 Improved chichibabin aminations of pyridine bases |
| 03/25/1997 | US5614636 Process for the preparation of 2,4-pyridine dicarboxylic acid |
| 03/19/1997 | EP0763011A1 Process for the preparation of unsaturated amino compounds |
| 03/19/1997 | EP0754302A4 Methods and apparatus for synthesizing labeled combinatorial chemical libraries |
| 02/06/1997 | WO1997003946A1 Process for producing organic nitrogen compounds, special organic nitrogen compounds and mixtures of such compounds and their use as fuel and lubricant additives |
| 01/23/1997 | DE19525938A1 Verfahren zur Herstellung von organischen Stickstoffverbindungen, spezielle organische Stickstoffverbindungen und Mischungen aus solchen Verbindungen sowie deren Verwendung als Kraft- und Schmierstoffadditive A process for preparing organic nitrogen compounds, organic nitrogen compounds, and specific mixtures of such compounds and their use as fuel and lubricant additives |
| 01/22/1997 | EP0754302A1 Methods and apparatus for synthesizing labeled combinatorial chemical libraries |
| 01/08/1997 | EP0752411A2 Process for the preparation of amines from olefines using pillared clays |
| 12/11/1996 | EP0746326A1 Oligomeric compounds having nitrogen-containing linkages |
| 12/11/1996 | CN1137548A Cyanation of double bond systems |
| 12/03/1996 | US5580983 Catalyzing the hydrogenation of 2-chloro-5-cyanopyridine |
| 11/26/1996 | US5578740 Process for preparation of epoxy compounds essentially free of organic halides |
| 11/21/1996 | WO1996036588A1 Process for the preparation of substituted aromatic amino compounds |