Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
11/1984
11/06/1984US4481357 Reaction isoelectric ph regulator;
11/06/1984US4481209 Penicillin salt
11/06/1984CA1177481A1 N-substituted thiazolyl derivatives of oxy-imino- substituted cephalosporins
10/1984
10/31/1984EP0123024A2 7-Acylamino-3-vinylcephalosporanic acid derivatives, processes for their preparation, pharmaceutical compositions containing them; their starting compounds and their preparation
10/30/1984US4479947 With cefoxitin, fosfomycin, methyldopa, monobactamic acid,and penemcarboxylic acid
10/30/1984CA1177067A1 METHOD FOR CONCENTRATING .beta.-LACTAM ANTIBIOTIC SOLUTION
10/30/1984CA1177066A1 Cephalosporin antibiotics
10/30/1984CA1177065A1 Process for the preparation of 3'-bromo-substituted deacetoxycephalosporanic acid sulphoxide derivatives
10/30/1984CA1177064A1 Cephalosporin derivatives, their production and their uses
10/25/1984WO1984004096A1 Novel cephalosporin derivatives, pharmaceutical compositions containing the same, their use in therapy as antibiotics and a process for the preparation of the novel compounds
10/24/1984EP0122585A2 Crystalline form of ceftazidim
10/24/1984EP0122584A2 Crystalline form of ceftazidim
10/23/1984CA1176629A1 Process for preparing desacetoxycephalosporanic acid
10/23/1984CA1176628A1 2-methylcephalosporins and production thereof
10/17/1984EP0122158A2 Improvements in or relating to benzothienyl cephalosporin antibiotics
10/17/1984EP0122157A2 Improvements in or relating to indolylglycyl cephalosporin derivatives
10/17/1984EP0122156A2 Improvements in or relating to benzothienylglycyl cephalosporin derivatives
10/17/1984EP0122155A2 Improvements in or relating to naphthylglycyl cephalosporin derivatives
10/17/1984EP0122154A2 Improvements in or relating to benzothienylglycyl cephalosporin derivatives
10/17/1984EP0122153A1 Improvements in or relating to the preparation of 3-benzothienylglycines
10/16/1984US4477660 Isomerization by reacting with an amine; oxacephalosporins
10/16/1984US4477659 Cephalosporin compound
10/16/1984US4477658 Process for the preparation of cepham and cephem compounds
10/16/1984US4477448 Contain pyrazole substituents
10/16/1984US4477447 7-Acylaminocephalosporanic acid derivatives
10/16/1984CA1176241A1 Process for the preparation of 7-acylamino-3-(thio- substituted)methyl-3-cephem-4-carboxylic acid 1- oxide derivatives
10/16/1984CA1176240A1 Cephem compounds, processes for preparation thereof and pharmaceutical composition comprising the same
10/10/1984EP0121499A2 Cephalosporins, their preparation and pharmaceutical compositions
10/10/1984EP0121244A2 Cephalosporin derivatives
10/09/1984US4476124 2-Amino-4-thiazolyl-2-oxyimino-acetamido-bicyclooctene-carboxylic acids
10/09/1984US4476123 Antibiotic derivatives, derived from cephalosporins with thiazolyl substituents, pharmaceutical preparations and salts thereof
10/09/1984US4476122 Antibiotics
10/09/1984CA1175806A1 Derivatives of cephalosporine sulphoxides : preparation and pharmaceutical composition
10/09/1984CA1175805A1 Cephalosporin derivatives
10/03/1984EP0120094A1 Azetidinone compounds
10/02/1984US4474954 Intermediates for cephalosporin derivatives
10/02/1984US4474780 Crystalline cephalosporin
10/02/1984US4474779 Antibiotics, bactericides
10/02/1984CA1175417A1 Thiomethyl cephalosporins
10/02/1984CA1175416A1 Process for preparing 7-/(2-aryl) 2- hydroxyimino acetamido/cephalosporanic acid derivatives
09/1984
09/25/1984US4473567 Substituted-imidazolidinyl-3-chloro-3-cephem-4-carboxylic acid
09/19/1984EP0118838A2 New cephem compounds processes for preparation thereof and pharmaceutical compositions containing them
09/19/1984EP0118567A1 Process for the preparationof 2-substituted cephem derivatives
09/18/1984US4472574 Process for the manufacture of a cephem carboxylic acid derivative
09/18/1984CA1174668A1 Bis-tetrazoylmethyl substituted cephalosporin antibiotics
09/12/1984EP0118196A1 Process for the manufacture of highly crystalline sodium cefoperazone
09/12/1984EP0117872A1 Process for preparing cephalosporin compounds
09/11/1984US4471115 Water soluble derivatives of cephalex and process for their preparation
09/11/1984US4470983 Cephalosporin derivatives
09/11/1984CA1174233A1 Ketohydroxyiminocephalosporins
09/05/1984EP0117651A2 Process for the preparation of cephalosporins
09/04/1984CA1173824A1 Process for the preparation of solutions of 7- aminocephalosporanic acids
08/1984
08/29/1984EP0117143A2 Cephalosporin hydroxamic acids, their preparation, antibacterial formulations comprising the same, and their use in combating bacteria
08/29/1984EP0117109A2 Novel cephalosporin compound and a process for preparing same
08/28/1984US4468514 Preparation of 3-bromocephalosporins from thiazoline azetidinones
08/28/1984US4468394 Cephalosporin compounds
08/28/1984CA1173435A1 Cephalosporine compounds with antibiotic activity
08/28/1984CA1173434A1 1,2,4-triazinylthiomethyl-3-cepheme sulfoxide procedure for preparation and deledic forms
08/21/1984US4467101 Compounds with terminal aminocarboxylic acid grouping
08/21/1984US4467086 Cephalosporin antibiotic
08/15/1984EP0115820A2 Cephalosporin derivatives and process for their preparation
08/15/1984EP0115770A1 Thiazole Derivatives
08/14/1984US4465831 Ketoiminocephalosporin derivatives
08/14/1984US4465668 Method for improving intestinal absorption of cephalosporin derivatives
08/14/1984US4465631 5-Substituted-3-isoxazolecarboxylic acid derivatives
08/14/1984CA1172627A1 Process for producing cephalosporin antibiotics, and novel intermediates for use in such process and their production
08/08/1984EP0115405A2 Process for the preparation of beta-lactam compounds
08/08/1984EP0114899A1 2-Methylchromone derivatives and their preparation process
08/07/1984US4464369 Cephalosporins, antimicrobials
08/07/1984US4464368 7-(2-(2-aminothiazol-4-yl)-2-(carboxy-alk-2-oxyimino)acetamido) -3-((2-alkyl-pyrazolinium-1-yl)methyl)cephem-4-carboxylates
08/07/1984US4464367 Cephalosporin derivatives, process for preparation thereof and drugs containing said derivatives usable as antibiotics
08/07/1984US4464366 Cephem compounds having a terminal aminocarboxylic acid grouping and containing an azacyclyl(thio)ureido group
08/07/1984CA1172248A1 Cephalosporin derivatives, a process for their preparation and compositions containing them
08/02/1984WO1984002911A1 beta-LACTAM ANTIBACTERIAL AGENTS
08/01/1984EP0114752A2 Beta-lactam antibacterial agents
08/01/1984EP0114750A2 Beta-lactam antibacterial agents
07/1984
07/31/1984US4463179 1H-1,2,3-triazol-5-ylthio ester of N-carbobenzyloxy-p-hydroxyphenylglycine
07/31/1984US4463173 Cephalosporin derivatives
07/31/1984US4463172 Process for producing 2-methyl cephem-2-em and 2-methylcephem-3-em derivitaves
07/31/1984US4463003 Cephem compounds
07/31/1984US4463002 Syn-isomers of 7-substituted-3-cephem-4-carboxylic acid esters
07/31/1984US4463000 Bactericides
07/31/1984US4462999 Cephalosporins
07/25/1984EP0113965A2 Process for the preparation of cephalosporin derivatives
07/24/1984US4461767 Antibacterials
07/24/1984CA1171405A1 Cephalosporine desacetoxy esters, salts thereof and processes for preparing the same
07/24/1984CA1171404A1 Cephalosporin derivatives, their preparation and compositions containing them
07/19/1984WO1984002703A1 Process for preparing aminothiazolylacetic acid derivatives
07/18/1984EP0113568A2 Intermediates for the preparation of ceftazidine, and process for their preparation
07/17/1984US4460583 Cephem compounds
07/17/1984US4460582 3-Carboxybenzyl cephems
07/11/1984EP0113245A2 Cephalosporin derivatives
07/11/1984EP0113243A2 Cephalosporin derivatives
07/11/1984EP0113242A2 Cephalosporin derivatives
07/10/1984US4459405 Chemical intermediates for 1-oxa-b-lactam antibiotics
07/10/1984CA1170652A1 Cephalosporins, processes for their preparation and pharmaceutical compositions containing them
07/04/1984EP0112550A2 Crystalline acid addition salts of cephalosporins and process for their preparation
07/03/1984US4458085 Reaction of a benzothiophene with a hydroxyglycine derivative in presence of trifluoroacetic acid
07/03/1984US4458072 Acyl derivatives
07/03/1984US4458070 Storage stability
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