Patents
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Patents for C07C 221 - Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton (1,346)
10/1992
10/29/1992WO1992018564A2 Method for manufacturing 3-amino-2-cyclohexene-1-one, and a novel polymer ingredient and its preparation
10/20/1992US5157143 Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives
10/14/1992EP0508184A1 Process for the preparation and purification of 1-amino-2-phenoxy-4-hydroxyanthraquinone
09/1992
09/22/1992US5149874 Method for manufacturing 3-amino-2-cyclohexene-1-one, and a novel polymer ingredient and its preparation
09/22/1992US5149848 Converting 5-nitro-1,4,4a. 9a-tetrahydroanthraquinones into 1-hydroxylaminoanthraquinones in presence of basic compound, electrolytic reducing intermediate to isomers of 1-amino-anthraquinonones which are oxidized to final product
09/17/1992WO1992015319A1 Hiv protease inhibitors
08/1992
08/19/1992EP0499451A1 Synthesis of 1-amino-anthraquinone
08/19/1992EP0499450A1 Synthesis of 1-aminoanthraquinone
07/1992
07/29/1992EP0496113A1 Process for the preparation of 1-amino-2-chloro-4-hydroxy-anthraquinone
07/21/1992US5132457 Preparation from Chiral Ester
07/21/1992US5132437 From 2-Substituted Benzyl Compound and Xylene
07/14/1992US5130448 Synthesis of 1-aminoanthraquinone
05/1992
05/27/1992EP0486782A1 Improved process for the synthesis of alpha-((dialkylamino)substituted-methylene)-beta-oxo-(substituted) propanenitriles
05/26/1992US5117014 Process for the preparation of 1-amino-4-bromoanthraquinones
05/26/1992CA1301753C Process for preparing histamine h_-antagonist and intermediates used in such process
05/12/1992US5112997 Reduction of nitroanthraquinones with carbon monoxide and a rhodium catalyst
04/1992
04/29/1992EP0482789A2 Benzoquinone compounds
04/28/1992US5109020 Fluorinated cyclohexane derivatives, process and intermediates for their preparation and the use of the new fluorinated cyclohexane derivatives as fungicides and intermediates
04/26/1992CA2054293A1 Benzoquinone compounds
04/07/1992US5103015 5-(substituted)isoxazole compounds
03/1992
03/31/1992US5101068 Monofluoromethylation of organic compounds, reaction with amino acids
03/24/1992CA1297909C 1-(aminophenyl)-2-aminoethanone derivatives, the method for their preparation and their use in therapy
02/1992
02/18/1992US5089625 Substituted cyclic kentones, substituted cyclic enones
02/11/1992US5087755 Process for producing aromatic amines by reduction of aromatic nitro compounds
01/1992
01/21/1992US5082957 Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone
11/1991
11/27/1991EP0457912A1 METHOD FOR THE PREPARATION OF $g(a),$g(b)-UNSATURATED KETONES
11/19/1991CA1292239C Cycloalkyl-substituted 4-aminophenyl halo derivatives and process for their preparation
10/1991
10/30/1991EP0454494A2 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/28/1991CA2039789A1 Calicheamicinone, derivatives and analogs thereof and methods of making the same
10/22/1991US5059709 Process for the synthesis of α-[(dialkylamino)substituted-methylene]-β-oxo-(substituted)propanentriles
08/1991
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/20/1991US5041673 Novel tetralin derivatives
06/1991
06/19/1991EP0432719A1 Alkylamino- and alkylaminoalkyl diarylketones, a process for their preparation and their use as medicaments
06/15/1991CA2032176A1 Alkylamino- and alkylaminoalkyl diarylketones, a process for their preparation and their use as medicaments
06/12/1991EP0432068A1 Process for the preparation of alpha-ethylene alpha-aminoaldehydes and compounds produced therefrom
06/12/1991EP0431871A2 A process for the preparation of ketones
05/1991
05/18/1991WO1991007371A1 METHOD FOR THE PREPARATION OF α,β-UNSATURATED KETONES
05/18/1991CA2044603A1 Method for the preparation of .alpha.,.beta.-unsaturated ketones
05/08/1991EP0426536A1 Production of aromatic amines
04/1991
04/30/1991US5012007 Reacting A Phenyl Alcohol With Carbon Monoxide In The Presence Of A Lewis Acid Catalyst
04/10/1991EP0421759A2 Method for producing 1-indanone derivatives
04/02/1991US5004661 Photoconductive member having symmetrical and unsymmetrical squaraine compositions
03/1991
03/19/1991CA1281722C Process for producing 3-imidazolylmethyltetrahydrocarbazolones
03/19/1991CA1281721C Process for producing 3-imidazolyl-methyltetrahydrocarbazolones
03/05/1991US4997960 Chlorination in sulfuric acid or oleum
02/1991
02/27/1991EP0414180A2 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom
02/22/1991CA2023373A1 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom
02/20/1991EP0413667A1 Halogenoalkyl-phenyl-alcohols, -ketones and their hydrates
02/19/1991US4994619 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
02/17/1991CA2023233A1 Halogenoalkylphenyl-alcohols, ketones and hydrates thereof
02/05/1991US4990669 Optically active α-amino aldehydes, process for the preparation thereof, and the use thereof for the stereoselective preparation of optically active β-amino alcohols
01/1991
01/30/1991EP0410191A1 Fluorinated cyclohexane derivatives, process and intermediates for their preparation and use of the fluorinated cyclohexane derivatives as fungicide and intermediates
12/1990
12/12/1990EP0401715A2 Aminoketone compounds
12/05/1990EP0400011A1 New phenylethanolamines.
11/1990
11/27/1990US4973756 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom
10/1990
10/24/1990EP0288764B1 Optically active alpha-amino aldehydes, processes for their preparation and their use in the stereoselective preparation of optically active beta-amino alcohols
10/24/1990EP0190322B1 Process for the production of amino compounds from hydroxyl compounds
10/17/1990EP0392680A2 Aromatic compounds
10/09/1990US4962223 Process for the synthesis of the levodopa
09/1990
09/18/1990US4957609 Cyclization
09/05/1990CN1045039A Method of producing amines
08/1990
08/29/1990EP0384047A1 Catalyst for amination of alcohols, aldehydes and ketones
08/23/1990WO1990009368A1 Method and catalyst for producing amines
08/16/1990EP0381902A1 Tetralin derivatives
08/14/1990US4948819 Benzophenone quaternary ammonium linked (meth)acrylates, photocurable and photocured products, and method of coating
08/08/1990CN1044460A Tetralin derivs.
07/1990
07/18/1990EP0378456A1 Tetralin derivatives
07/04/1990EP0376850A1 Benzene derivates, their preparation and pharmaceutical compositions containing them
07/04/1990EP0375990A2 Process for the preparation of 1-amino-2-bromo-4-hydroxy-anthraquinone
07/04/1990EP0375791A1 Phenyl ethanol amines, their use as pharmaceutical compounds and as performance stimulants in animals, as well as processes for their preparation
06/1990
06/14/1990WO1990006299A1 New phenylethanolamines
05/1990
05/23/1990EP0369864A2 Process for producing aromatic amines
05/22/1990US4927970 Histamine h2-antagonist, antiulcer
04/1990
04/04/1990EP0361253A2 Process for the preparation of 1-amino-2-chloro-4-hydroxy-anthraquinone
03/1990
03/22/1990DE3929631A1 Cycloalkyl-substituierte 4-aminophenylderivate und verfahren zu ihrer herstellung Cycloalkyl-substituted 4-aminophenyl derivatives and process for their preparation
03/20/1990CA1266866A1 P-formyl-n,n-dipolyoxyalkylenesubstitutedaniline
03/15/1990DE3929660A1 Cycloalkyl-substituierte 4-aminophenylderivate und verfahren zu ihrer herstellung Cycloalkyl-substituted 4-aminophenyl derivatives and process for their preparation
03/07/1990EP0357565A2 New process for the synthesis of the levodopa
02/1990
02/13/1990US4900859 Process for 4-dimethylamino-3,5-dimethoxybenzaldehyde
02/06/1990US4898983 Preparation of aryl carbonyl compounds
12/1989
12/05/1989CA1263656A1 Aryloxycycloalkanolaminoalkylene aryl ketones
11/1989
11/15/1989EP0341462A1 Diastereoselective process for the preparation of intermediates useful for the synthesis of peptide derivatives
09/1989
09/27/1989CN1035822A Benzophenone derivatives
09/20/1989EP0333291A2 Benzophenone derivatives
09/06/1989EP0331420A2 Process for producing 1-aminoanthraquinones
08/1989
08/16/1989CN1034710A Compounds
07/1989
07/11/1989US4847295 Cycloalkyl-substituted 4-aminophenyl halo derivatives and process for their preparation
07/04/1989CA1256899A1 Derivatives of w-amino acids, the preparation and utilisation thereof; and the compositions containing these derivatives
06/1989
06/28/1989EP0322391A1 New phenylalkylamine derivatives
06/07/1989EP0318826A2 Process for the preparation of 4-dimethylamino-3,5-dimethoxybenzaldehyde
05/1989
05/09/1989CA1253882A1 Dinitrobenzophenone solution and process for preparing an ether solution of diaminobenzophenones therefrom
04/1989
04/20/1989WO1989003382A1 Cyclobutarene ketoaniline monomeric and polymeric compositions
04/19/1989EP0312070A2 Cyclobutarene ketoaniline monomeric and polymeric compositions
03/1989
03/28/1989US4816489 1-(aminophenyl)-2-aminoethanone derivatives
02/1989
02/21/1989US4806690 Method of producing amines
02/15/1989CN1031076A Histamine h2-antagonist intermediate and process for their preparation
01/1989
01/03/1989US4795827 Cyclobutarene ketoaniline monomeric and polymeric compositions
12/1988
12/21/1988EP0295880A1 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
12/14/1988EP0294615A1 Cyclobutene-3,4-dione-intermediates and their use in the preparation of histamine h2-antagonists
11/1988
11/02/1988EP0288764A1 Optically active alpha-amino aldehydes, processes for their preparation and their use in the stereoselective preparation of optically active beta-amino alcohols
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