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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01/07/1988 | EP0251330A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them |
01/07/1988 | EP0251299A2 Cephalosporin compounds, processes for their preparation and antibacterial agents |
01/07/1988 | EP0250529A1 Benzathine cephalothin, a process for its preparation and compositions containing it |
01/06/1988 | CN87104282A Cephalosporin compounds and processes for preparing the same |
01/05/1988 | US4717768 Adsorption on divinylbenzene-styrene copolymer or acrylic ester polymer |
01/05/1988 | US4717767 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins |
12/29/1987 | US4716227 Salt formation, esterification, acylation |
12/29/1987 | US4716158 7-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido)-3-methoxymethyl-3-cepham-4-carboxylates |
12/23/1987 | EP0250172A2 Cephalosporin compounds & processes for preparing the same |
12/22/1987 | US4714760 Antibiotics |
12/16/1987 | EP0249170A2 Cephem compounds, their production and use |
12/09/1987 | EP0248645A2 Cephalosporin compounds |
12/09/1987 | EP0248434A1 Thiadiazolylacetamide derivatives, process for the preparation thereof and their use |
12/09/1987 | CN86103606A Alkeneamidocephalosporin esters |
12/01/1987 | CA1229847A1 Process for producing cephalosporins |
11/24/1987 | US4709023 Process for the preparation of 7-amino-3-(3-formamidopyridinium)methyl-3-cephem-4-carboxylate, and its use for the synthesis of β-lactam antibiotics |
11/24/1987 | US4708955 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof |
11/19/1987 | EP0246068A2 Process for the manufacture of cephalosporin derivatives |
11/19/1987 | EP0245619A1 Novel thiazolylacetic acid derivatives and processes for preparing the same |
11/11/1987 | EP0244637A1 Starting compounds for 7-acylamino-3-vinylcephalosporanic acid derivatives and processes for their preparation |
11/10/1987 | US4705852 1-oxadethia cephalosporin hydroxamic acid derivatives |
11/10/1987 | US4705851 Process for the preparation of 3-phosphoniummethyl-3-cephem compounds |
11/10/1987 | US4705784 Cephem compounds |
11/03/1987 | CA1228851A1 Crystalline ceftazidime salts |
11/03/1987 | CA1228850A1 Cephalosporin derivatives and a process for their preparation |
10/27/1987 | US4703046 Cephem compounds and processes for preparation thereof |
10/22/1987 | WO1987006232A1 1-carboxy-1-vyniloxyiminoaminothiazole cephalosporing derivatives and process for their preparation |
10/21/1987 | EP0242153A2 Cephalosporin intermediate |
10/21/1987 | EP0241901A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents |
10/20/1987 | US4701556 Substituted cyanamide compounds useful for the manufacture of cephalosporin derivatives |
10/20/1987 | US4701452 Stimulants; antibiotics |
10/13/1987 | US4699981 Antibacterial agents |
10/13/1987 | US4699980 Antibiotic intermediates |
10/13/1987 | US4699979 7-amino-3-propenylcephalosporanic acid and esters thereof |
10/13/1987 | US4699904 Tetrazolyl derivatives of β-lactams useful as elastase inhibitors |
10/06/1987 | US4698338 7[2-(2-aminothiazol-4-yl)-2-benzyloximino]acetamido-3[4-alkyl-5-oxo-6-hydroxy-3,4-dihydro-1,2,4-triazin-3-yl]thiomethyl cephalosporins |
10/06/1987 | US4698337 Cephem compounds and processes for preparation thereof |
10/06/1987 | US4698336 Cephalosporin antibiotics |
09/30/1987 | CN87101581A Method for producing cephalosporin compounds |
09/23/1987 | EP0238061A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents |
09/23/1987 | EP0238060A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents |
09/23/1987 | EP0237735A2 3,7-Disubstituted-3-cephem compounds and process for production of the same |
09/22/1987 | US4695639 Thiazole derivatives |
09/22/1987 | US4695627 Cephalosporin deoxygenation process |
09/22/1987 | US4695565 Antibacterial 7β-heterocyclic-cephem |
09/15/1987 | US4694079 Crystalline dimethylformamide solvate |
09/15/1987 | US4694001 β-lactam compound and a pharmaceutical composition containing the same |
09/11/1987 | WO1987005297A1 Cephalosporin derivatives |
09/09/1987 | EP0236231A2 Novel cephem compounds |
09/09/1987 | CN87100321A Method of producing cephem compounds |
09/08/1987 | US4692519 Bactericide |
09/08/1987 | US4692518 Ceftazidime intermediate |
09/08/1987 | US4692517 Gramnegative bacteria |
09/08/1987 | US4692516 Process for the manufacture of 3-pyridinium-methyl-cephalosporins |
09/02/1987 | EP0234549A2 Method for production of cephalosporin compounds |
09/01/1987 | USRE32491 Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxyamido)cephalosporanic acid derivatives |
09/01/1987 | US4691014 Cephalosporin compounds |
09/01/1987 | US4690921 Bactericides |
09/01/1987 | US4690920 Derivative of cephalosporanic acid and pharmaceutical composition comprising the same |
08/26/1987 | EP0233780A2 O-substituted oximino cephalosporins |
08/26/1987 | EP0233271A1 Process for preparing cephalosporin intermediates. |
08/26/1987 | EP0233255A1 Conversion of cephalosporin hydrohalide salt to alkali metal salt. |
08/26/1987 | CN87100860A Process for manufacture of carboxylic acid amides |
08/25/1987 | US4689411 Antibiotics |
08/25/1987 | CA1225954A1 Process for the preparation of cephem compounds |
08/19/1987 | CN86108415A Isoindole derivative and method for preparing same |
08/18/1987 | US4687769 3-(3,3,3-trifluoropropenyl) cephalosporins |
08/13/1987 | WO1987001117A3 Conversion of cephalosporin hydrohalide salt to alkali metal salt |
08/12/1987 | EP0231845A2 Process for the preparation of carboxylic-acid amides |
08/12/1987 | EP0231475A1 Process for preparing intermediate products and their use for preparing cephem compounds |
08/11/1987 | US4686216 7-[2-(2-aminothiazol-4-yl)-2-oximino-acetamido-3-quaternary-ammonium-methyl-3-cephem-4-carboxylates |
08/11/1987 | CA1225391A1 Process for producing a cephalosporin, an intermediate for the cephalosporin and a process for producing the intermediate |
08/11/1987 | CA1225390A1 3-bicyclicpyridinium-methyl cephalosporins |
08/05/1987 | EP0230972A2 Method of producing cephem compounds |
08/05/1987 | CN86107949A New cephalosporin derivatives and antibiotics containing the same |
08/04/1987 | US4684728 Solubilizing biologically active compounds with reactive hydrogen atoms |
08/04/1987 | US4684664 Derivatives of β-(4-isocyano-1,2,3,4-diepoxycyclopentyl) acrylic acid |
08/04/1987 | US4684642 7-Hydroxyaminocephalosporin antibiotics |
08/04/1987 | US4684641 7-hydroxyaminocephalosporin antibiotics |
08/04/1987 | US4684639 Antibiotics |
08/04/1987 | CA1225084A2 Substituted vinyl cephalosporins |
07/28/1987 | US4683227 Antibiotic derivatives of 7β-[2-(thiazol-4-yl)acetamide]-3-chloro-3-cephem-4-carboxylic acids and compositions and method of use thereof |
07/21/1987 | US4681877 Antibiotic, bactericide |
07/21/1987 | CA1224458A1 Process for the preparation of cephem compounds |
07/21/1987 | CA1224457A1 Process for the preparation of cephem compounds |
07/15/1987 | EP0228906A2 Cephalosporin derivatives |
07/15/1987 | CN86106602A Novel cephalosporin derivatives, processes for their preparation and pharmaceutical compositions containing them |
07/14/1987 | US4680408 Acyl derivatives |
07/14/1987 | US4680390 Esters of 7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph-3-em-4-carboxylic acid |
07/14/1987 | US4680389 Temperature stable crystalline di(1-methyl-2-pyrralidinone) and di(N-formylpyrrolidine) adducts of cephalosporin derivatives |
07/08/1987 | EP0228061A2 Cephem compounds |
07/08/1987 | EP0227986A1 Isoindoline derivatives and processes for their preparation |
07/08/1987 | EP0227953A2 New cephalosporin derivatives and antibiotics containing the same |
07/08/1987 | CN86107927A Esters of cefuroxime |
07/07/1987 | US4678781 Bactericidal antibiotics |
07/02/1987 | WO1987003876A1 Benzathine cephalothin, a process for its preparation and compositions containing it |
07/02/1987 | WO1987003875A1 Cephalosporin derivatives |
06/30/1987 | US4677100 Cephalosporin derivatives |
06/24/1987 | EP0226093A2 Process for the preparation of cefodizime |
06/23/1987 | US4675398 For antibiotics |