Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809) |
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10/09/1985 | EP0157738A1 Process for the preparation of nitroxyls of sterically hindered amines |
08/21/1985 | EP0152310A1 Process for the preparation of trifluoromethyl anilines |
08/20/1985 | US4536577 Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine |
07/23/1985 | US4530796 Process for the preparation of isocyanates through the thermal cleavage of urethanes |
07/10/1985 | EP0147798A2 Nitration reactions with acid anhydride promoters |
06/26/1985 | EP0146508A2 Promoted nickel and/or cobalt catalyst, its use and process performed in its presence |
06/05/1985 | EP0143320A2 Method for the preparation of isocyanates by thermal decomposition of urethanes |
05/21/1985 | US4518811 Reactor for nitration of hydrocarbons in the gaseous phase under pressure |
04/10/1985 | EP0136851A2 Chemical process involving ethers and amines |
03/19/1985 | US4505879 Reactor for nitration of hydrocarbons in the gaseous phase under pressure |
01/29/1985 | US4496783 Nitration of organic compounds and organic nitrogen compounds produced |
01/09/1985 | EP0130875A1 Process for the halogenation-nitration fluorination of aromatic compounds |
01/08/1985 | CA1180660A1 Immunoglobulin conjugates |
12/05/1984 | EP0127342A2 Process for acylation with novel acylating agent |
12/05/1984 | EP0127114A1 Process for the cleavage of phthalimides |
12/04/1984 | CA1178946A1 .beta.-LACTAM ANTIBIOTICS, PROCESSES FOR THEIR PREPARATION AND AGENTS CONTAINING THEM |
11/21/1984 | EP0125542A1 Process for preparing hydrochlorides |
11/20/1984 | US4483757 Alkylation of ammonia, primary, or secondary amine with olefins in presence of actinic light and ammonium halide catalyst |
11/14/1984 | EP0124780A1 Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine |
11/13/1984 | US4482438 Method of performing a chemical reaction |
11/06/1984 | CA1177462A1 Process and catalysts for vapor phase nitration of aromatic compounds |
08/28/1984 | CA1173439A1 Process for the dealkylation of tertiary amines by using a-chlorinated chloroformates |
06/12/1984 | CA1169085A1 Process for preparing substituted formamides |
05/29/1984 | CA1168235A1 Process for n-alkylating nitrogen-containing organic compounds |
05/09/1984 | EP0108034A2 Deacylation of amides |
04/04/1984 | EP0104601A1 Method for producing tertiary amines from highly hindered aromatic secondary amines and carbonates |
03/14/1984 | EP0102762A2 Method of performing a chemical reaction |
01/17/1984 | CA1160430A1 Method of removing heat from exothermic chemical reactions |
12/20/1983 | US4421932 Manufacture of quaternary ammonium compounds |
11/22/1983 | US4417048 N-alkylation of organonitrogen compounds |
11/22/1983 | US4416880 β-Lactam antibiotics and compositions containing the same |
11/15/1983 | US4415744 Using a catalytic adduct of an oxide of aluminum or silicon or both and sulfur trioxide selectivity |
10/04/1983 | US4407729 Catalysts |
09/20/1983 | US4405784 Strontium hydrogen phosphate as acid catalyst for cyclization of hydroxyethylpiperazine, aminoethylpiperazine or ethanolamine |
07/20/1983 | EP0083791A2 Shaped articles containing silica, processes for their preparation and their use |
05/04/1983 | EP0078247A2 Process and catalysts for vapor phase nitration of aromatic compounds |
04/19/1983 | CA1144943A1 Method for removing nitrosation agent(s) from nitrated aromatic compounds |
04/05/1983 | CA1144155A1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
03/30/1983 | EP0075065A2 Process for the preparation of quaternary ammonium compounds |
01/18/1983 | US4369322 Process for the production of substituted acetonitriles |
01/05/1983 | EP0068057A2 Nitration reactor for hydrocarbons in the gas phase |
12/28/1982 | CA1138439A1 Process for the preparation of carboxylic acid amides and peptides |
11/17/1982 | EP0013663B1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
10/05/1982 | CA1133015A1 Preparation of amines |
09/15/1982 | EP0060171A1 Process for the N-alkylation of organic nitrogen compounds |
07/21/1982 | EP0056322A1 Immunoglobulin conjugates |
07/06/1982 | US4338473 Method for removing nitrosation agent(s) from a nitrated aromatic compound |
05/25/1982 | US4331592 Process for the preparation of carboxylic acid amides and peptides |
04/14/1982 | EP0049448A2 Beta-lactam antibiotics, process for their preparation and compositions containing them |
03/30/1982 | CA1120877A1 Selective n-acetylisation of amino acids by conversion with ketenes in aqueous solution |
03/09/1982 | CA1119618A1 Process for preparing nitroparaffins by nitration in a gaseous phase |
03/02/1982 | CA1119197A1 Substituted amino-aromatic acetylenes and their method of preparation |
02/23/1982 | CA1118746A1 Catalyst for dehydrogenating organic compounds, in particular amines, thiols, and alcohols, and a process for its preparation |
02/09/1982 | US4314942 Deprotection of allylic esters, carbonates and carbamates catalyzed by palladium compounds |
02/03/1982 | EP0045234A1 Dealkylation process for tertiary amines by the use of alpha-chlorinated chloroformiates |
01/27/1982 | EP0044629A1 Process for preparing substituted formamides |
01/12/1982 | US4310500 Nitration or waste gases |
12/08/1981 | US4304937 Aldehyde, amine, oxygen, platinum or palladium |
11/04/1981 | EP0038987A1 Process for preparing acyl cyanides |
08/26/1981 | EP0034366A2 Process for the preparation of steroid 20-carbamate compounds |
07/28/1981 | US4281193 Process for preparing substituted formamides |
05/06/1981 | EP0028203A1 Process for carrying off the reaction heat from exothermal chemical reactions and apparatus for carrying out the process |
04/07/1981 | US4260838 Process of making nitroparaffins by nitration in the gaseous phase |
02/17/1981 | US4251450 Nitrogen transhalogenation process |
02/03/1981 | US4249003 Using cyclic alkylene sulfates |
02/03/1981 | US4249002 Polycyclic amines and intermediates therefor |
12/23/1980 | CA1092125A1 Process for preparing amino-phenyl-ureas and amino- carbanylates |
12/23/1980 | CA1092124A1 Process for the preparation of aromatic amines |
11/26/1980 | EP0019281A2 Process for the removal of nitrozation agents from nitrated aromatic compounds |
10/15/1980 | EP0017559A1 A gas-phase hydrocarbon nitration pressure reactor |
10/07/1980 | US4226766 Alkyl polyphosphate, 2-amino-/2-hydroxyethyl/ketenimine of benzophenone |
09/23/1980 | US4224190 Indium dispersed in a carrier |
09/16/1980 | CA1085824A1 Polycyclic amines and novel intermediates therefor |
09/03/1980 | EP0014834A1 Process for the preparation of carbon amides and of peptides |
07/23/1980 | EP0013663A1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
05/06/1980 | US4201715 Reacting a cycloaliphatic, aromatic or heterocyclic ester with magnesium dianilide and/or aluminum trianilide in the presence of aniline |
04/29/1980 | US4200743 Preparation of 1-cyano-2,1,3-benzothiadiazinones |
04/16/1980 | EP0009794A1 Process for the preparation of nitro acetanilides |
03/05/1980 | EP0008368A1 Method for preparing cyano compounds |
02/19/1980 | US4189580 From a carboxylic acid and cyanogen chloride or bromide |
01/08/1980 | US4182915 Preparation of substituted aromatic compounds |
12/18/1979 | US4179469 Preparation of amines |
11/13/1979 | CA1066308A1 Selective nitration of aromatic and substituted aromatic compositions |
11/13/1979 | CA1066295A1 Process for making nitrated aromatic compounds |
11/06/1979 | CA1065850A1 Acylation process for the preparation of phenolic n-disubstituted carbamate esters, and ion pair solutions for use in the process |
10/17/1979 | EP0004812A2 Process for the production of nitroparaffins by nitration in the gas phase |
08/07/1979 | CA1060044A1 PROCESS FOR PREPARING .gamma.-AMINO-ACID AMIDE |
07/25/1979 | EP0003105A1 Process for the anilidation of carboxylic acid esters |
07/17/1979 | CA1058614A1 Process for the production of nitro derivatives of aromatic compounds |
07/10/1979 | CA1058213A1 Method for the preparation of aminoacids |
05/22/1979 | US4156065 1-oxide, 1-sulfide, or 1-hydrocarbylimino derivative of a phospholene, phospholane, or phosphetane |
04/04/1979 | EP0001251A1 Process for preparing substituted ureas |
02/13/1979 | US4139561 Novel substituted amino-aromatic acetylenes and their method of preparation |
04/04/1978 | US4082779 Acylation process for the preparation of steroid phenolic n-disubstituted carbamate esters, and ion pair solution for use in the process |
03/28/1978 | US4081461 Acylation process for the preparation of phenolic N-disubstituted carbamate esters, and ion pair solution for use in the process |
01/03/1978 | CA1023743A1 Preparation process for hydrazine compounds |
07/19/1977 | US4036838 Process for the production of nitro derivatives of aromatic compounds |
05/03/1977 | US4021498 Adiabatic process for nitration of nitratable aromatic compounds |
01/25/1977 | US4005102 Process for making 4-nitro-n-methylphthalimide |
12/28/1976 | US4000135 Iron tetraazannulenes as catalysts |