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