Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809) |
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11/21/1996 | CA2217709A1 Process for the preparation of substituted aromatic amino compounds |
11/13/1996 | EP0742189A1 Method and apparatus for producing an organo-nitrogen compound |
11/05/1996 | US5571928 4-amino-3-hydroxy-phthalimidine, and a process for the preparation thereof |
10/30/1996 | EP0739870A1 Process for the condensation of hydrogen cyanide with an aldehyde |
10/23/1996 | CN1134121A Catalyst based on Fe, Co, Bi and Mo oxides |
10/08/1996 | US5563309 Ferrocenyl diphosphines as ligands for homogeneous catalysts |
09/19/1996 | WO1996028250A1 Titanium catalyst, organotitanium reaction reagent, processes for producing these, and method of reaction using these |
09/04/1996 | EP0730007A2 Cyanation of systems containing double bonds |
08/28/1996 | EP0728744A2 Process for the preparation of carboxylic acids of nitrogen-containing heterocycles |
08/08/1996 | WO1996024061A1 Methods and apparatus for synthesizing labeled combinatorial chemical libraries |
08/08/1996 | CA2186943A1 Methods and apparatus for synthesizing labeled combinatorial chemical libraries |
08/07/1996 | EP0724569A1 Process for the preparation of an oxirane, aziridine or cyclopropane |
07/24/1996 | CN1127248A A process for the preparation of aromatic polyisocyanate compounds in the gaseous phase |
07/16/1996 | US5536816 Process for producing amides using catalytic amounts of an N-hydroxy compound |
07/11/1996 | DE19520002C1 Nitriding organic material in wide pH range |
07/10/1996 | EP0720512A1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES |
07/04/1996 | WO1996020233A1 Process for preparation of epoxy compounds |
07/04/1996 | WO1996020232A1 Process for preparation of allyl ether, thioether and amine compounds |
06/18/1996 | US5527675 Method for degradation and sequencing of polymers which sequentially eliminate terminal residues |
06/12/1996 | EP0716061A1 Process for reductive deoxygenation by means of a redox catalyst |
05/23/1996 | DE19542245A1 Phosgenating process |
05/07/1996 | CA1338314C Ligand-accelerated catalytic asymmetric dihydroxylation |
05/01/1996 | EP0708751A1 Synthesis of combinatorial arrays of organic compounds through the use of multiple component combinatorial array syntheses |
04/25/1996 | WO1996011915A1 Process for preparing acid amides |
04/17/1996 | EP0558656B1 New methods for the catalytic reduction of organic substrates |
04/16/1996 | US5507973 Highly reactive zerovalent metals from metal cyanides |
04/10/1996 | EP0688316A4 Coupling method using selective amination of maleimide |
04/02/1996 | US5504246 Endcapping the carboxylation with halogen compound oxidizing agent in presence of a hindered nitroxide catalyst |
03/27/1996 | CN1119185A 4-amino-3-hydroxy-phthalimidine, and a process for the preparation thereof |
03/14/1996 | WO1996007647A1 Substituted pyrimidine(thi)ones |
03/07/1996 | DE4431218A1 Substituierte Pyrimidin(thi)one Substituted pyrimidine (thi) ones |
03/06/1996 | EP0699657A1 Process for the preparation of aromatic polyisocyanate compounds in gas phase |
02/27/1996 | CA1338089C Sulfonic acid esters |
02/13/1996 | US5491233 Using enantiomerically enriched chiral metal catalyst, acidic rate enhancing additive |
02/13/1996 | US5490952 Highly reactive form of copper and reagents thereof |
02/13/1996 | US5490951 Zerovalent copper species capable of reacting with allylic halide or acetate to form allylic organocuprate; for synthesis of highly functional compounds |
02/07/1996 | EP0695739A1 Process for the preparation of nitro-substituted arylamides and arylamines |
02/06/1996 | US5489682 Catalytic asymmetric reduction of enamines |
02/03/1996 | CA2154963A1 Process for the preparation of nitro-substituted arylamides and arylamines |
01/31/1996 | EP0694533A1 4-Amino-3-hydroxy-phthalimidine, and a process for preparing it |
01/27/1996 | CA2154427A1 4-amino-3-hydroxy-phthalimidine, and a process for the preparation thereof |
01/11/1996 | WO1996000708A1 Method for preparing alkylating agents and their use for alkylating cyclic ureas |
01/11/1996 | CA2190469A1 Method for preparing alkylating agents and their use for alkylating cyclic ureas |
01/10/1996 | EP0691331A1 Process for the preparation of n-acylated 2-chloro-5-aminomethyl-pyridines |
01/04/1996 | WO1996000216A1 Improved chichibabin aminations of pyridine bases |
01/04/1996 | CA2193236A1 Improved chichibabin aminations of pyridine bases |
01/02/1996 | CA1337869C Transvinylation reaction |
12/27/1995 | EP0688316A1 Coupling method using selective amination of maleimide |
12/07/1995 | WO1995032941A1 Process for the preparation of unsaturated amino compounds |
12/07/1995 | CA2187922A1 Process for the preparation of unsaturated amino compounds |
11/08/1995 | CN1111237A Preparation of amides and peptides |
10/31/1995 | US5463097 Enantioselective hydrogenation catalysts |
10/31/1995 | CA1337490C Process for the production of aminomalonic acid dinitrile salts |
10/11/1995 | EP0676236A1 Process for removal of allyl group or allyloxycarbonyl group |
10/11/1995 | CN1029957C Preparation of amides |
10/04/1995 | EP0675101A1 Transesterification and other conversion reactions of acid derivatives with an amidine base |
10/03/1995 | US5454964 Heating, pressurizing the reaction of an enophile with an ene and maintaining constant until 80% ene reactant converted |
09/27/1995 | EP0395729B1 Ligand-accelerated catalytic asymmetric dihydroxylation |
09/27/1995 | CN1109057A 咪唑并哒嗪 Imidazopyridazine |
09/20/1995 | EP0671928A1 Synthesis of n-substituted oligomers |
09/13/1995 | CN1108231A High temp. resistant unsaturated compound and its prepn. method |
09/12/1995 | US5449808 Method for converting amides to nitriles and nitriles to amides |
08/15/1995 | US5442119 Catalytic asymmetric reduction of trisubstituted olefins |
07/13/1995 | WO1995018781A1 Methods for synthesizing oligomers containing hydroxy acid units |
07/13/1995 | WO1995018623A1 Oligomeric compounds having nitrogen-containing linkages |
07/13/1995 | CA2181082A1 Oligomeric compounds having nitrogen-containing linkages |
06/21/1995 | EP0658532A1 Ligand-accelerated catalytic asymmetric dihydroxylation |
06/14/1995 | EP0657454A1 Imidazopyridazines being angiotensin II antagonists |
05/31/1995 | CN1028636C Preparation of pest and mite killing agent |
05/24/1995 | CA2136288A1 Imidazopyridazines |
05/17/1995 | CN1102639A Preparation of C3-C5 alpha, beta-monoethylenically unsaturated aldehydes, carboxylic acids, or nitriles |
05/16/1995 | US5416188 Crosslinking agents for polyesters |
05/02/1995 | US5412082 Conversion of amines to hydroxylamines |
04/27/1995 | WO1995011230A1 Process for the preparation of an oxirane, aziridine or cyclopropane |
04/25/1995 | US5410082 Reacting amides in aqueous-alkaline solutions with halogens or hypohalites in the presence of alcohols; conversion by hydrolysis, hydrogenation or reduction |
04/20/1995 | DE4334790A1 Process for the preparation of trans-trans-4,4'-diaminodicyclohexylmethane |
04/14/1995 | CA2117928A1 Process for preparing trans-trans-4,4'-diamino-dicylcohexy lmethane |
03/30/1995 | WO1995008391A1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES |
03/30/1995 | CA2172259A1 Catalyst based on oxides of fe, co, bi and mo |
02/22/1995 | EP0639607A2 Method and apparatus for degradation and sequencing of polymers which sequentially eliminate terminal residues |
02/07/1995 | US5387696 Reductive amination of an amino acid or of an amino acid derivative with an α-keto acid or an α-keto acid derivative |
01/31/1995 | US5386057 Process for the preparation of acyl isocyanates |
01/26/1995 | WO1995002567A1 Catalytic asymmetric reduction of trisubstituted olefins and enamines |
01/26/1995 | WO1995002566A1 Synthesis of combinatorial arrays of organic compounds through the use of multiple component combinatorial array syntheses |
01/26/1995 | CA2167391A1 Synthesis of combinatorial arrays of organic compounds through the use of multiple component combinatorial array syntheses |
12/20/1994 | CA1333608C Hydrogenation of halonitroaromatic compounds |
12/15/1994 | DE4231529A1 Process for the preparation of heteroalicyclic N-nitro compounds |
12/14/1994 | EP0628542A1 Process for the preparation of organic carbonates |
12/14/1994 | EP0628536A2 Process for the preparation of amines |
12/08/1994 | CA2125074A1 Process for preparing organic carbamates |
12/07/1994 | EP0627422A2 Process for the preparation of carboxamides of nitrogen-containing aromatic heterocycles, as well as their use |
12/06/1994 | US5371256 With rhodium and iridium |
11/17/1994 | DE4315623A1 Process for the preparation of amines |
11/16/1994 | CN1095073A Substituted acylating agents |
11/12/1994 | CA2123240A1 Process for preparing amines |
11/09/1994 | EP0623631A2 Substituted acylating agents |
11/05/1994 | CA2122791A1 Substituted acylating agents |
11/02/1994 | EP0523089B1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation |
10/11/1994 | CA1332421C Process for the selective n-acylation of aminohydroxamic acid derivatives and starting materials used therein |
09/28/1994 | CN1092754A Process for nitrating aromatic compound |