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)
08/1981
08/19/1981EP0033965A2 New cephem compounds and processes for preparation thereof
08/18/1981US4284767 Process for preparing 3-carbamoyloxymethyl cephalosporins
08/18/1981US4284766 Process for the preparation of cephalosporin compounds
08/18/1981US4284631 7-Substituted cephem compounds and pharmaceutical antibacterial compositions containing them
08/12/1981EP0033518A1 Crystalline salts of a cephalosporin, their preparation and pharmaceutical compositions containing them
08/11/1981US4283398 Cephalosporins
08/11/1981US4283397 7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing them
08/11/1981US4283396 3-Acetoxymethyl-7-(hydroxyiminoacetamido)-cephalosporanic acid derivatives
08/04/1981US4282220 Cephalosporins
08/04/1981US4282219 7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing them
08/04/1981US4282145 Process for the preparation of azetidines
08/04/1981CA1106359A1 Cephalosporin compounds and process for preparation thereof
08/04/1981CA1106358A1 Process for the manufacture of penicillins and cephalosporins
07/1981
07/28/1981US4281117 Process for 3-chloro cephalosporin nucleus
07/28/1981US4281116 Antibiotics
07/21/1981US4279818 Syn-isomers of 7-[2-alkoxyimino-2-(2-amino-thiazol-4-yl)acetamido]-3-[nitrobenzoyl-, or benzoyl-oxymethyl]-3-cephem-4-carboxylic acid
07/14/1981US4278793 Cephem derivative
07/14/1981US4278671 Antibiotics, bactericides
07/14/1981US4278670 7-Alpha-oxyiminoacylcephalosporins
07/08/1981EP0031794A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
07/08/1981EP0031708A2 Cephalosporin derivatives, processes for their manufacture, pharmaceutical compositions containing them and intermediates therefor
07/07/1981US4277601 Alcoholysis of corresponding 3-n-protected carbamoyloxymethyl compound in anhydrous solvent in presence of basic catalyst
07/07/1981CA1104562A1 Cephalosporins, processes for their preparation and their use as medicaments
07/07/1981CA1104561A1 7-¬(sulfomethyl)phenyl| acetamidocephalosporin derivatives
07/07/1981CA1104560A1 Pyrrole cephalosporin derivatives
06/1981
06/24/1981EP0030630A2 7-Acylamino-3-vinylcephalosporanic acid derivatives, processes for their preparation, pharmaceutical compositions containing them; their starting compounds and their preparation
06/23/1981US4275062 Aminothiazolyl ureido sulfoxide cephalosporins
06/23/1981CA1103659A1 PROCESS FOR THE PREPARATION OF 7.alpha.-METHOXY-7.beta.-(1,3- DITHIETANE-2-CARBOXAMIDO)CEPHALOSPORANIC ACID DERIVATIVES
06/17/1981EP0030294A2 Process for the preparation of cephalosporin derivatives; intermediates and their preparation
06/16/1981CA1103237A1 Unsaturated derivatives of 7-acylamido-3-cephem-4- carboxylic acid and process for their preparation
06/16/1981CA1103236A2 3-acyloxymethyl-cephem compounds
06/10/1981EP0029998A2 Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
06/10/1981EP0029966A2 Cephalosporin derivatives, preparations thereof, and pharmaceuticals compositions containing them
06/09/1981US4272542 Use of di-sodium and di-potassium salts of dicarboxylic amino acids and tri- or di-sodium or potassium phosphate tartrate or citrate to improve the taste of in vivo hydrolysable esters of α-amino penicillins and cephalosporins
06/09/1981US4272439 6-(Substituted-hydroxymethylene penams)
06/09/1981CA1102791A1 Method for producing cephem compounds
06/09/1981CA1102790A1 3,7-disubstituted cephalosporins and preparation thereof
06/03/1981EP0029557A2 7-Acylamino-3-substituted cephalosporanic acid derivatives, processes for their preparation and pharmaceutical compositions containing them
06/02/1981US4271157 Bactericides
06/02/1981CA1102310A1 Solid cephalosporin salt
06/02/1981CA1102309A1 PROCESS FOR PRODUCING 7-¬D(-)-.alpha.-(4-ETHYL-2,3-DIOXO -1-PIPERAZINECARBOXAMIDO)-.alpha.-(4-HYDROXYPHENYL) ACETAM IDO|-3-¬5-(1-METHYL-1,2,3,4-TETRAZOLYL)THIOMETHYL) -.DELTA.3-CEPHEM-4-CARBOXYLIC ACID AND A PHARMACEUTICALL Y ACCEPTABLE SALT THEREOF AND AN INTERMEDIATE THEREOF
06/02/1981CA1102308A1 Carbon and oxygen analogs of cephalosporins
06/02/1981CA1102307A1 2-lower alkyl-7-substituted amino-2 or 3-cephem-4- carboxylic acid compounds and processes for preparation thereof
06/02/1981CA1102264A1 Acellular synthesis of cephalosporins
05/1981
05/27/1981EP0029202A1 Novel tetrazole-5-thiol esters and process for preparing cefamandole using same
05/26/1981US4269977 Process for the manufacture of 8-oxo-5-thia-1-azabicyclo [4,2,0]oct-2-ene or 3-ene compounds
05/26/1981CA1101840A1 Process for preparing cephalosporin compounds
05/20/1981EP0028803A1 New penicillanic and cephalosporanic derivatives, preparation thereof and pharmaceutical compositions containing same
05/20/1981EP0028778A1 Antibacterial compositions comprising a beta-lactam-type compound and a 3-substituted propenoate
05/19/1981US4268509 New cephem compounds and processes for preparation thereof
05/13/1981EP0028511A1 Cephalosporins, processes for their preparation and microorganisms capable of their production
05/12/1981US4267340 Disulfide substituted oxazetidine derivatives
05/12/1981US4267321 Cephalosporin derivatives
05/12/1981US4267320 Cephalosporin antibiotics
05/12/1981US4267176 Amino or acylamino-substituted pyrimidinyl cephalosporanic acid derivatives and pharmaceutical compositions thereof
05/12/1981CA1100946A1 Methoxymethyl esters of substituted imidazolidinyl-3- methyl-3-cephem-4-carboxylic acids
05/12/1981CA1100945A1 Process for pure cefamandole free acid from salts thereof
05/12/1981CA1100944A1 Cephalosporins
05/05/1981US4266049 Process for 3-iodomethyl cephalosporins
05/05/1981US4265892 Cephalosporins having an α-acylaminoacetic acid side chain
05/05/1981CA1100483A1 Isothiourea substituted cephalosporin derivatives
04/1981
04/29/1981EP0027599A2 Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
04/28/1981US4264597 Fungicides
04/28/1981US4264595 7-[2-(2-Imino-4-thiazolin-4-yl)-2-(syn)-hydroxy-iminoacetamido]-cephalosporins
04/28/1981CA1100129A1 Cephalosporin compounds
04/21/1981US4263432 7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives
04/21/1981US4263292 7α-methoxycephalosporins and pharmaceutical composition comprising the same
04/21/1981US4263291 Cephalosporin antibiotics
04/15/1981EP0027050A1 Cephalosporin derivatives, their preparation and their use
04/15/1981EP0026811A1 Cephalosporin derivatives
04/14/1981CA1099257A2 Cephalosporin derivatives
04/14/1981CA1099256A1 Process for 3-chloro cephalosporins
04/08/1981EP0026307A1 Organic sulfoxides, process for preparing the same and pharmaceutical enzyme inhibiting compositions comprising the same
04/07/1981US4260747 Cephalosporins, antibiotics
04/07/1981US4260746 Chemical intermediates useful to prepare cephalosporins
04/07/1981US4260745 3-Halo cephalosporins
04/07/1981US4260607 Cephalosporin esters
04/01/1981EP0025857A1 Organic sulfoxides having a latent allyl group, process for preparing the same and pharmaceutical antibacterial composition comprising the same
03/1981
03/31/1981US4259333 Cephalosporines
03/31/1981US4259326 7α-Methoxycephalosporin derivatives
03/31/1981CA1098512A2 Process for the manufacture of enamin derivatives
03/24/1981US4258195 Sleep inducing agents, bactericides, acylating agents
03/24/1981US4258184 Cephalosporin derivatives
03/24/1981US4258183 Process for the preparation of cephalosporin compounds
03/24/1981US4258041 Broad spectrum antibiotic effective against pseudomonas
03/24/1981US4258040 Cephalosporin compounds
03/24/1981CA1098119A1 7-¬(substituted-thiomethyl)-phenyl| acetamidocephalosporin derivatives
03/24/1981CA1098118A1 Cephalosporins and process for their preparation
03/24/1981CA1098117A1 Indole cephalosporin derivatives
03/24/1981CA1098116A1 Cephalosporin derivatives
03/18/1981EP0025199A2 Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
03/17/1981US4256835 Process for preparing cephamycin C
03/17/1981US4256739 7β-Amino-3-thio-3-cephem-4-carboxylic acid compounds, and antibacterial compositions and methods using them
03/17/1981CA1097614A1 Process for the production of novel antibacterial amide compounds
03/17/1981CA1097613A1 Cephalosporin ethers
03/17/1981CA1097612A1 Alpha-aminoacyl cephalosporin ethers
03/17/1981CA1097611A1 Cephalosporin ethers
03/11/1981EP0025017A1 Polyazathia compounds, process for their preparation, pharmaceutical preparations containing such compounds and use of the latter
03/11/1981EP0024879A1 Cephalosporin derivative production by a 7 alpha-methoxylation process and intermediates
03/11/1981EP0024639A1 Organic sulfoxides having a latent allyl group, process for preparing the same and pharmaceutical enzyme inhibiting composition comprising the same
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