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