Patents
Patents for C07C 269 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups (4,512)
03/1987
03/24/1987US4652665 Block amine function of amino acids; peptide synthesis
03/11/1987CN86105870A Blood vessel tension peptide protoenzyme inhibitor with 5-amino-2.5-disubstituted-4-hydroxy pentacarboxyl
03/04/1987EP0212903A2 Polypeptide derivatives containing 5-amino-2,5-disubstituted-4-hydroxypentanoic acid residues
02/1987
02/04/1987EP0210896A1 Optically pure derivates of 4-amino-3-hydroxycarboxylic acids and process for stereospecific synthesis
01/1987
01/28/1987EP0210084A1 Amides, processes for their preparation and medicaments containing them
01/27/1987US4639502 Anthraquinone dye
01/24/1987CN85101227A Process for the preparation of alpha-chlorinated carbonates and application
01/07/1987EP0207461A2 Process for the preparation of omega-isocyanatoalkyl(meth)acrylates
12/1986
12/30/1986EP0206090A2 Peptide renin inhibitors
12/30/1986EP0206021A1 Derivatives of 1,1,2,2-tetramethyl-1,2-bis(2-fluoro-4-hydroxyphenyl) ethane
12/24/1986CN86102967A (meth)-acrylic acid esters and their use
12/17/1986EP0205375A1 Quinoline amide derivatives, processes for their preparation and medicaments containing them
12/16/1986US4629804 Process for preparation of urethanes
12/10/1986EP0204571A2 Selected difluoro derivatives
12/10/1986EP0204535A1 N-fluoropyridinium salt and process for preparing same
12/09/1986US4628111 Non-hygroscopic, intermediate for monocyclic b-lactam antibiotics
12/03/1986CN85109417A Process for the production of n-methylcarbamates
11/1986
11/26/1986EP0202523A2 Process for the preparation of 1,3-di(alkoxycarbonylamino) propane
11/20/1986EP0201778A1 (Meth)-acrylic-acid esters and their use
11/11/1986US4622408 Protective group for amino acids
11/05/1986EP0200556A2 Carbamate ester production
11/05/1986EP0200506A2 Process for the preparation of methyl carbamates
09/1986
09/12/1986WO1986005179A1 Carbonylation process
09/12/1986WO1986005178A1 Process for the preparation of urethanes
09/10/1986EP0193982A1 Process for the catalytic preparation of nitrogen-containing organic compounds, especially ureas and their polymers
09/09/1986US4611079 Useful as isocayanate precursors
09/03/1986EP0192829A1 Amino propanol derivatives, process for their preparation, medicines containing these compounds and intermediates
08/1986
08/26/1986US4608420 Process for the preparation of acylurethanes, and the use thereof
08/13/1986EP0190466A1 Process for the production of N-Methylcarbamates
07/1986
07/30/1986EP0189072A2 Diisocyanates containing urethane groups, process for their preparation and their use as binder or as binder component of polyurethane-lacquers
07/22/1986CA1208233A2 Intermediates for the preparation of 4-phenyl-1,3- benzodiazepins and methods for preparing the intermediates
07/15/1986US4600793 Process for the preparation of urethanes
07/08/1986CA1207334A1 Process for the preparation of n- and o-substituted diurethanes and/or polyurethanes
06/1986
06/04/1986EP0183150A2 Process for the preparation of modified polyisocyanates and theiruse in the preparation of polyurethane coatings
06/03/1986US4593117 Reacting di- or polyamine with N-aryl-O-alkylurethane in presence of a high boiling alcohol
06/03/1986US4593116 Process for the production of urethanes
05/1986
05/20/1986US4590009 Stabilized polyisocyanates partially blocked with hydroxy amines
04/1986
04/22/1986CA1203550A1 Preparing aromatic urethans
04/15/1986US4582923 Reacting primary amine, carbon monoxide and hydroxyl compound in presence of palladium or palladium compound and oxidizing quinoid, redox catalysis
03/1986
03/05/1986EP0173457A1 Process for the production of carbamate esters
02/1986
02/26/1986EP0172685A2 Curing agent for thermosetting resin paints
02/12/1986EP0171320A1 Process for the preparation of unsaturated alpha-chlorinated compounds of two electroattractive groups in the beta position
02/11/1986US4570015 Preparation of large crystals of N-benzyloxycarbonyl-L-aspartic acid
02/11/1986US4570012 Urethanes from tertiary aralkyl diols
01/1986
01/29/1986EP0169650A2 Process for preparing aromatic urethanes from nitroaromatic compounds
01/28/1986US4566981 Oil and water repellents
01/22/1986EP0169169A2 Novel aromatic compounds
01/22/1986EP0168773A2 Polymerizable 3-aroyloxyphenyl carbamates and methods for their preparation and use
01/08/1986EP0167451A2 A new process for preparing novel N-(acyloxy-alkoxy) carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs
12/1985
12/18/1985EP0164661A1 Process for the preparation of acyl urethanes, and their use
12/18/1985EP0164491A1 Process for the preparation of tertiary aralkyl urethanes and process for the preparation of isocyanates derived therefrom
12/04/1985EP0163416A2 Phenol derivatives
11/1985
11/21/1985EP0161588A2 Diamino acid derivatives
11/13/1985EP0160913A2 Practically colourless, organic polyisocyanates, process for their preparation and their use for the preparation of polyurethane plastics
11/06/1985EP0160402A2 Fluorochemicals and fibrous substrates treated therewith
10/1985
10/15/1985US4547322 Method for manufacture of diphenylmethane diisocyanates
10/09/1985EP0157609A2 Lipid derivatives their production and use
10/02/1985EP0156322A2 Renin inhibitors containing peptide isosteres
09/1985
09/25/1985EP0155862A1 Process for the preparation of carbamic acid esters derivatives
09/17/1985CA1193612A1 Preparation of n-substituted carbamates
09/11/1985EP0154581A1 Alpha-chlorinated carbonates, process for their preparation and their application to the protection of aminic functions in amino acids
09/10/1985CA1193278A1 Process for the production of n- and o-substituted monourethanes
08/1985
08/27/1985CA1192570A1 Process for the preparation of urethanes
06/1985
06/25/1985US4525590 Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups
06/25/1985US4525305 Leather with fluorochemical finish
06/11/1985US4522763 N-Alkoxycarbonyl- and N-alkoxythiocarbonyl-amidines and their preparation
05/1985
05/28/1985US4520074 Polymerizable 3-aroyloxyphenyl carbamates and methods for their preparation and use
02/1985
02/20/1985EP0133274A1 Process for the preparation of N,0-substituted mono- and/or polyurethanes
02/19/1985US4500726 In presence of phase transfer agent
02/12/1985CA1182467A1 Process for the preparation of n-monosubstituted o- alkylurethanes
02/05/1985US4497963 Process for the preparation of an aliphatic, cycloaliphatic, and/or aliphatic-cycloaliphatic di- and/or polyurethane
01/1985
01/29/1985CA1181758A1 Process for the preparation of isocyanates and/or derivatives thereof
01/02/1985EP0129759A2 Method for the production of urethanes
01/02/1985CA1180343A Fungicidal composition
01/01/1985US4491671 Process for the preparation of N-substituted imido-dicarboxylic acid diaryl esters
12/1984
12/25/1984US4490551 Reacting aromatic amino compounds with alcohols and carbon monoxide
12/11/1984US4487952 Preparing carbamic acid esters
11/1984
11/27/1984CA1178604A1 Low temperature storage stable liquid diphenylmethane diisocyanates
10/1984
10/31/1984EP0123412A1 Method for manufacture of diphenylmethane diisocyanates
10/30/1984US4480110 From substituted ureas and alcohol
10/30/1984US4479822 Substituted carbanilic acid esters and herbicidal composition containing same
10/09/1984US4476316 Preparation of N-substituted carbamates
09/1984
09/05/1984EP0117501A1 A process for the preparation of 1,5-diprotected-1,5,10-triazadecane, intermediates thereof and their preparation
09/04/1984US4469789 Amino acid and peptide esters of leuko-indoaniline compounds and compositions for the detection of proteolytic enzymes
08/1984
08/15/1984EP0115614A2 Manufacture of urethanes from tertiary aralkyl diols
07/1984
07/10/1984US4459236 Preparation of 1-alkenyl isocyanates
06/1984
06/05/1984US4452963 Low temperature urethane curing agents
05/1984
05/29/1984US4451663 Carbamate intermediates for bronchospasmolytics
05/29/1984US4451406 N-Substituted imido-dicarboxylic acid diaryl ester method of preparation
05/09/1984EP0107948A1 Leather with fluorochemical finish
05/08/1984US4447635 N-Substituted imido-dicarboxylic acid diaryl ester compounds and herbicide intermediates
05/08/1984CA1167056A1 Process for the production of n,o-disubstituted urethanes and use thereof as starting materials for the production of organic isocyanates
05/01/1984CA1166649A1 Process for the production of n,o-disubstituted urethanes
04/1984
04/11/1984EP0105242A2 Reduction of free monomer in isocyanate adducts
04/10/1984US4441915 Diurethanes and herbicidal compositions containing the same
04/04/1984EP0104984A2 Vinylcarbamic acid esters and their preparation
04/04/1984EP0104491A1 Acrylic and methacrylic acid diesters and their use
04/03/1984US4440692 Adamantanyl-, blocking agent in peptide synthesis
03/1984
03/27/1984US4439616 Tertiary aralkyl urethanes and isocyanates derived therefrom
03/07/1984EP0101832A1 Tertiary aralkyl urethanes and isocyanates derived therefrom
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