Patents for C07B - General methods of organic chemistry; Apparatus therefor (325) |
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02/06/1980 | EP0007735A1 Process for making sulfurized olefins |
10/31/1979 | EP0004919A1 Process for preparing N,N,N',N'-tetra-acetylethylene diamine |
07/31/1979 | US4163016 16-Substituted prostaglandins |
07/24/1979 | US4162314 Antibiotics |
05/16/1979 | EP0001821A1 Resolution of D,L-alpha-amino acids and salts used therefor |
05/08/1979 | CA1054158A1 Process for resolution of 2-deutero-3-fluoro-dl-alanine salts |
04/04/1979 | EP0001294A1 Lasalocide derivatives, their preparation and intermediates, and the pharmaceutical preparations containing them |
02/13/1979 | CA1048523A1 Recovery of solvents employed in the production of isocyanates from esters of carbamic acids (urethanes) |
01/16/1979 | US4134917 Using ketones or aldehydes in the presence of strong acid, less toxic than previous methods |
01/10/1979 | EP0000207A1 Prostaglandin derivatives, their preparation and pharmaceutical compositions and intermediates |
12/20/1978 | EP0000005A1 New cephalosporin derivatives, their preparations and their pharmaceutical compositions |
11/21/1978 | US4126639 Process for 11a-dehalogenation of 11a-halotetracyclines |
07/25/1978 | US4102915 Acrylonitrile to 1,4-dicyanobutene, organic phosphorus catalyst |
10/04/1977 | US4052438 Esterification, dialkyl sulfate |
08/30/1977 | US4045477 Acetoxylation process |
08/23/1977 | US4044002 Reduction process for cephalosporin sulfoxides |
07/19/1977 | US4036895 From the diacetate ester, catalytic hydrogenation |
06/21/1977 | US4031130 Dialkyl ketone, dialkylcarbonate |
01/25/1977 | US4005088 Process for the chemical separation of racemic modifications of α-aminocarboxylic acid derivatives, and cinchonidine salt intermediates |
01/11/1977 | US4002683 Water-immiscible solvent, metal salt |
12/07/1976 | US3996295 Preparation of dimethylsulfoxide by liquid phase reaction of dimethysulfide and hydrogen peroxide |
06/15/1976 | US3963761 Nitrating an anthraquinone |
06/01/1976 | US3960942 Fractional crystallization of their copper and nickel salts |
05/11/1976 | US3956358 Glutaronitrile, glutaric acid ester metal compound catalyst |
05/04/1976 | US3954862 Process for producing α-6-deoxytetracyclines |