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)
07/1984
07/03/1984US4458069 Cephalosporin compounds
07/03/1984US4457929 Bactericides
07/03/1984US4457928 Cephem compounds
06/1984
06/27/1984EP0112164A2 Cephem compounds, and their production, and medicaments containing them
06/27/1984EP0112135A2 Bromination of cephalosporins
06/27/1984EP0112049A1 Process for the preparation of beta-lactam compounds
06/27/1984EP0111935A2 Cephalosporin derivatives and process for their preparation
06/27/1984EP0111934A2 Cephalosporin derivatives and process for their preparation
06/26/1984US4456755 7-Oxygen analogs of cephalosporins
06/26/1984US4456754 Process for the preparation of cephalosporin derivatives using thioesters
06/26/1984US4456753 Controlled addition of acetone to water/acetone/sodium cefoperazone solution
06/26/1984CA1169853A1 Cephalosporin derivatives
06/20/1984EP0111281A2 New cephem compounds and processes for preparation thereof
06/19/1984US4455306 Method for concentrating β-lactam antibiotic solution
06/19/1984CA1169419A1 Method for producing 7-aminocephem compounds
06/12/1984US4454323 1-Methyltetrazol-5-ylthio ester of cyanomethylthioacetic acid
06/12/1984US4454129 Cephem derivatives
06/05/1984US4452851 Cephem compounds
05/1984
05/30/1984EP0109818A2 Process for the preparation of penicillin and cephalosporin sulfones
05/30/1984EP0109683A2 New cephem compounds and processes for preparation thereof
05/29/1984US4451399 Imidazolecarboxylic acid derivatives
05/29/1984CA1168227A1 Acyl derivatives
05/24/1984WO1984001950A1 Cephalosporin derivatives, process for their preparation, and agents for prophylaxis or treatment of bacteria-induced diseases
05/24/1984WO1984001949A1 Cephalosporin derivatives, process and their preparation, and prophylactic and treating agent against bacterial infection
05/23/1984EP0109301A2 7-(S)-acylaminocephalosporin sulfones and process
05/23/1984EP0109300A2 Desacetylcephalosporin sulfones
05/23/1984EP0109294A2 Cephalosporin esters
05/23/1984EP0108977A2 Starting compounds for preparing 7-acylamino-3-substituted cephalosporanic acid derivatives and process for their preparation
05/23/1984EP0108942A2 Cephalosporin derivatives, methods of production thereof and prophylactic and therapeutic agents for bacterial infection
05/22/1984US4450270 Dioximino cephalosporin antibiotics
05/16/1984EP0108627A2 Cephalosporin derivatives and process for producing the same
05/15/1984US4448958 Salt formation with benzyldimethylamine, dissolving and adjustment of ph to crystallize
05/15/1984US4448880 Detection of β-lactamase utilizing a chromophoric cephalosporin composition
05/15/1984US4448775 3-Carbamoyloxymethylcephem derivatives, and antibacterial drugs containing same
05/09/1984EP0108034A2 Deacylation of amides
05/08/1984US4447602 Bactericides
05/08/1984US4447430 Cephem compounds
05/08/1984US4447429 Antibiotics, bactericides
05/02/1984EP0107276A2 Novel form of cefuroxime ester, process for its preparation and composition containing it
05/02/1984EP0107138A2 Cephalosporin derivatives and process for their preparation
05/01/1984US4446318 Method for producing 7-aminocephem compounds
05/01/1984US4446317 Cephalosporin antibiotics
05/01/1984US4446137 Cephalosporin derivative and pharmaceutical composition containing the derivative
04/1984
04/25/1984EP0106369A2 Purification of ceforanide
04/18/1984EP0105459A2 Syn-isomer of 7-substituted-3-vinyl-3-cephem compounds, processes for production thereof and pharmaceutical compositions containing them
04/17/1984US4443444 Bactericides, antibiotics
04/17/1984US4443443 Bactericides
04/17/1984CA1165759A1 7.alpha.-METHOXYCEPHALOSPORIN DERIVATIVES, PROCESS FOR THE PREPARATION THEREOF AND ANTIBACTERIAL DRUGS CONTAINING THE SAME
04/04/1984EP0104671A2 Oxime derivatives of 3-alkyloxy or 3-alkylthiomethyl-7-amino-thiazolylacetamido-cephalosporanic acid, their preparation, their use as medicines and compositions containing them
04/03/1984US4440767 Derivatives of cephalosporanic acid, processes for their production and their use
04/03/1984US4440766 3,7-Disubstituted-3-cephem-4-carboxylic acid compounds
04/03/1984US4440683 Cyclization to form cephem ring and azetidinone intermediates therefor
04/03/1984CA1164860A1 Cephalosporins, processes for their preparation and pharmaceutical compositions containing them
03/1984
03/29/1984WO1984001152A1 Azetidinone compounds
03/27/1984US4439434 Cephalosporin derivative and pharmaceutical composition containing the derivative
03/27/1984US4439433 Cephalosporin antibiotics
03/27/1984CA1164402A1 Electrolytic reduction of cephalosporin p-nitrobenzyl esters
03/21/1984EP0103264A2 New cephem compounds and processes for preparation thereof
03/20/1984US4438265 Esters of 7-sulfenyliminocephem-4-carboxylic acids
03/20/1984US4438113 7-Acylaminocephalosporanic acid derivatives
03/15/1984WO1984000965A1 2-substituted cephem derivatives and process for their preparation
03/15/1984WO1984000964A1 Process for preparing cephalosporin compounds
03/14/1984EP0102896A1 Crystalline forms of addition salts with acids, of ((amino-2-thiazolyl-4)-2-methoxyimino-2-acetamido)-7-carboxy-2-((dioxo-5,6-formylmethyl-4-tetrahydro-1,4,5,6-triazine-1,2,4-yl-3)-thio-2-vinyl)-33-oxo-8-thia-5-aza-1-bicyclo(4.2.0)-octene-2-isomer syn, form E and their preparation
03/13/1984US4436912 7-[2-(2-Aminooxazol-4-yl)-2-(oximino)acetamido cephalosporin antibiotics and intermediates therefor
03/13/1984US4436904 Antibiotics, bactericides
03/13/1984US4436903 Deamination with borohydride compound
03/07/1984EP0102291A1 Cephalosporin derivatives, their preparation and medicaments containing them
03/06/1984US4435321 Bactericides and intermediates for 2- or 3-cephems
02/1984
02/28/1984US4434287 Cephalosporin derivatives
02/22/1984EP0101386A1 Cephalosporin derivatives and their preparation
02/22/1984EP0101265A2 Novel cephalosporin compounds and preparation thereof
02/22/1984EP0101170A1 Process for the manufacture of sodium cefoperazone
02/22/1984EP0101148A2 Thiazole derivative, process for its preparation and use in the preparation of beta-lactam antibiotics
02/21/1984US4433142 Process for the preparation of 7-(2-amino-2-phenylacetamido) cephem derivatives
02/21/1984US4433141 7-((2-tritylaminothiazol-4-yl)-2-(2-tert-butoxycarbonylpropyl-2 -oxyimino)acetamide)-3-(1-pyridiniummethyl)ceph-3-em-4-carboxylate
02/14/1984US4431804 Thiazolylacetamido compounds
02/14/1984US4431803 7-Epi 3-exomethylenecephams
02/14/1984US4431643 Cephalosporins; bactericides
02/14/1984US4431642 Cephem compounds
02/07/1984US4430500 Acidification, precipitation, mother liquors, concentration, solvents
02/07/1984US4430499 7-[2-(2-Aminooxazol-4-yl)-2-(oximino)acetamido]cephalosporin antibiotics
02/07/1984US4430498 Antibiotics
02/07/1984CA1161836A1 Cephem derivatives and processes for their manufacture
02/01/1984EP0099553A2 Cephem compounds, process and intermediates for their preparation and pharmaceutical compositions containing them
01/1984
01/31/1984US4428936 Antibacterial composition for medical use
01/31/1984CA1161430A1 Imidazole and tetrazole derivatives of 7-[(2- amino-4-thiazolyl)-oximino] cephalosporins
01/31/1984CA1161429A1 2-(2-aminothiazol-4-yl)-n-(imidazolidin-2-on-1-yl)-2- imino-acetylaminocephalosporanic acids in pure syn- form, a process for their production and syn-acid used in such a process
01/25/1984EP0099297A1 Cephalosporin derivatives, process for their preparation and antibiotic medicaments containing them
01/24/1984US4427677 Cephem compounds
01/24/1984US4427675 Bactericides
01/24/1984US4427674 Cephem compounds
01/24/1984CA1161032A1 Cephalosporin derivatives, their production and use as antimicrobial agents
01/18/1984EP0098615A1 1-Oxadethiacephalosporin compound and antibacterial agent containing the same
01/18/1984EP0098609A2 Novel cephalosporin compounds
01/18/1984EP0098433A2 Beta-lactam antibiotics, process for their preparation and preparations containing them
01/17/1984US4426520 3-Carbamoyloxy-cepham-4-carboxylic acid derivatives
01/17/1984US4426519 Antibiotics
01/11/1984EP0098161A2 Cephalosporin compounds
01/11/1984EP0098032A2 Beta-lactam derivatives and their pharmaceutical preparations
01/11/1984EP0097961A2 Cephalosporin derivatives, a process for the manufacture thereof and pharmaceutical compositions containing said derivatives
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