Patents
Patents for C07D 501 - Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (7,574)
07/1983
07/26/1983CA1150725A1 PROCESS FOR HALOGENATION OF .beta.-LACTAM COMPOUNDS
07/19/1983US4394504 Containing isoxazole ring
07/19/1983US4394503 Bactericidws
07/19/1983US4394384 Antibiotics
07/19/1983US4394375 And oxacephalosporins
07/19/1983CA1150241A2 Oxygen analogs of cephalosporins
07/19/1983CA1150240A1 Process for 3-exomethylenecepham sulfoxides
07/19/1983CA1150167A1 Process for the production of antibiotic cephamycin c
07/12/1983US4393205 Antibiotics
07/12/1983US4393059 Bactericidal cephalosporins
07/12/1983US4393058 Cephalosporin compounds
07/05/1983US4391974 Water soluble cephadroxyl salt
07/05/1983CA1149375A1 Cephalosporins and preparation
06/1983
06/29/1983EP0082656A2 Preparation of cepham derivatives
06/29/1983EP0082648A2 Cephalosporin derivatives
06/29/1983EP0082498A2 Beta-lactam compounds and process for the preparation thereof
06/28/1983US4390694 Method for preparing stable crystals of salt of Ceftizoxime
06/28/1983US4390693 Bactericide
06/28/1983US4390535 Antimicrobial 7-(α-acylamino-α-arylacetamido)-3-(substituted methyl)cephalosporin compounds
06/28/1983US4390534 Cephem and cepham compounds
06/28/1983CA1148939A1 Heterocyclyl derivatives of oxy-imino-substituted cephalosporins
06/28/1983CA1148938A1 Preparation of cephalosporins and intermediates employed therein
06/28/1983CA1148937A1 Process for preparing new substituted alkyloximes from (amino-2 thiazolyl-4)-7 acetamido cephalosporannic acid
06/22/1983EP0081971A2 Novel cephalosporin compound and process for preparing the same
06/22/1983EP0081674A1 Intermediate products, process for preparing them and a process for the preparation of cephalosporins
06/21/1983US4389524 Cephalosporins
06/21/1983US4389407 1,3-Thiazolidin-4-yl-carboxylic acid derivatives and antibacterial compositions thereof
06/14/1983US4388460 Antibiotics; sustained release of cephradine or cephadroxyl
06/14/1983US4388316 Amino-substituted oxazole, oxadiazole and isoxazole-substituted cephalosporins
06/14/1983US4388315 Tautomeric pyrimidine derivatives
06/14/1983US4388314 Heteromonocyclic and heterobicyclic derivatives of unsaturated 7-acylamido-3-cephem-4-carboxylic acid
06/14/1983CA1148154A1 Thiols and their preparation
06/14/1983CA1148142A1 Cephalosporin compounds and process for preparing the same
06/14/1983CA1148141A1 3-vinyl cephalosporins and preparation
06/08/1983EP0080944A1 Cephalosporin derivatives substituted in position 3 with a thiomethylheterocyclic group, process for their preparation and pharmaceutical compositions containing them
06/07/1983US4387096 Thiazol-4-yl derivatives
06/07/1983CA1147724A2 Tri-py-ceph combo
06/07/1983CA1147723A1 Cephalosporin derivatives, their production and use
05/1983
05/31/1983US4386210 2-(2-Amino-4-thiazolyl)-2-methoxyimino-acetic acid derivatives
05/31/1983US4386199 Antibiotics, bactericides
05/31/1983US4386089 Bactericides, growth promoters
05/31/1983CA1147324A1 Antibacterial amide compounds and process means for producing the same
05/31/1983CA1147323A1 7-¬2-(2-amino-4-thiazolyl)-2-¬(1-carboxy-1, 1-dialkyl)alkoxyimino|acetamido|cephem sulfoxides
05/31/1983CA1147322A1 Process for 3-iodomethyl cephalosporins
05/24/1983US4385181 Thioloesters
05/24/1983US4385178 Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
05/24/1983US4385177 Cephalosporins having a carbamoylalkoxyiminoarylacetamido group at 7-position
05/24/1983US4385176 Process for preparation of 2-lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives
05/24/1983US4385054 1-Acetoxyethyl-3-(2-chloroethylcarbamoyloxymethyl)-7-[2-(fur-2-yl)-2-methoxyiminoacetamido]ceph-3-em-4-carboxylate
05/24/1983CA1146969A1 Process for producing d-2-amino-2-(1,4- cyclohexadienyl)acetic acid
05/17/1983CA1146543A1 Cefadroxil salts with amino acids
05/17/1983CA1146542A1 Lactams, processes for the preparation thereof and pharmaceuticals containing these compounds
05/17/1983CA1146541A1 N-carboxy cefadroxil sodium salt
05/17/1983CA1146540A1 CRYSTALLINE HYDROCHLORIDE AND CRYSTALLINE HYDROBROMIDE OF 7.beta.¬2-(2-AMINO-4-THIAZOLYL) -2-METHOXYIMINOACETAMIDO|-3-CEPHEM-4-CARBOXYLIC ACID PIVALOYLOXYMETHYL ESTER
05/17/1983CA1146539A1 Isolation of syn-7-(2-amino-4-thiazolyl)- (methoxyimino) acetamido-3-acetoxymethyl-3- cephem-4-carboxylic acid
05/17/1983CA1146538A1 Process for chemically removing the acyl side-chain from cephalosporins and penicillins
05/17/1983CA1146537A1 Cephalosporins, processes for their preparation and pharmaceutical compositions containing these compounds
05/17/1983CA1146536A1 Cephalosporin reduction process
05/17/1983CA1146535A1 Aminothiazoles with terminal aminocarboxylic acid grouping
05/11/1983EP0078671A2 Novel cephalosporin salt and its use in a purification process
05/11/1983EP0078532A2 Crystalline salts of cephodizime, and process for their preparation
05/10/1983US4382932 Isoquinolinium substituted cephalosporins
05/10/1983US4382931 3'-Substituted quinolinium cephalosporins
05/10/1983CA1146165A1 Process for the manufacture of acyl derivatives
05/03/1983CA1145744A1 3-thiovinyl cephalosporins, preparation thereof and compositions containing them
05/03/1983CA1145743A1 Chromophoric cephalosporins and process for their manufacture
04/1983
04/26/1983US4381307 Soft tertiary amine esters of bio-affecting carboxylic acids
04/26/1983US4381300 Sulphur analogs of cephalosporins having a nucleophile substituted in the 7 position
04/26/1983CA1145339A1 Allylic chlorination process and compounds prepared thereby
04/19/1983US4380630 N-Carboxy cefadroxil sodium salt
04/19/1983US4380541 2-amino thiazol-4-yl-
04/19/1983CA1144924A2 Cyclization to form cephem ring and intermediates therefor
04/19/1983CA1144920A1 Cephalosporin antibiotics
04/19/1983CA1144919A1 3-vinyl cephalosporins derivatives and preparation thereof
04/13/1983EP0076528A2 Oxime derivatives of 3-alkyloxy or 3-alkylthiomethyl 7-amino-thiazolylacetamido-cephalosporanic acid and their preparation
04/13/1983EP0076463A2 Beta-lactam compound and a pharmaceutical composition containing the same
04/13/1983EP0076452A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
04/12/1983US4379924 Cephalosporin derivatives
04/12/1983US4379923 Preparation of 7-acylamino-3-(thio-substituted)-methyl 3-cephem-4-carboxylic acid-1-oxide derivatives
04/12/1983US4379922 Chemical intermediates
04/12/1983US4379920 Cephamycin derivative
04/12/1983US4379787 Oximino-substituted cephalosporin compounds
04/12/1983US4379739 Electrolytic reduction of cephalosporin p-nitrobenzyl esters
04/06/1983EP0076052A2 Process for preparing 3-hydrogen cephems
04/06/1983EP0075928A2 3-Carbamoyloxymethylcephem derivatives, processes for the preparation thereof, and antibacterial drugs containg same
04/06/1983EP0075805A1 Beta-lactam compound and a pharmaceutical composition containing the same
04/05/1983US4379152 Cephalosporins
04/05/1983CA1144157A1 Cephalosporin compounds, processes for the preparation thereof, and antibacterial drugs containing the same
04/05/1983CA1144156A1 Cephalosporin antibiotics
04/05/1983CA1144155A1 Process for removing an allylic group from allylic esters, carbonates and carbamates
03/1983
03/30/1983EP0075452A2 Cephalosporin derivatives
03/30/1983EP0075451A2 Cephalosporin derivatives
03/30/1983EP0075450A2 Cephalosporin derivatives
03/30/1983EP0075434A2 Cephalosporins, their preparation and their pharmaceutical compositions
03/30/1983EP0075110A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and intermediates
03/30/1983EP0075104A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and intermediates
03/30/1983EP0075095A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and intermediates
03/23/1983EP0074653A2 New cephem compounds, processes for their preparation, pharmaceutical compositions containing them and intermediate products for their preparation
03/23/1983EP0074645A2 New cephem compounds, processes for their preparation and pharmaceutical antibacterial composition containing them
03/23/1983EP0074611A2 Method for production of cephalosporin compounds
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