| 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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| 12/10/1992 | WO1992021683A1 New cephem compounds |
| 12/10/1992 | WO1992021682A1 Processes for the preparation of cephalosporins and of pharmaceutical composition containing them |
| 12/10/1992 | WO1992021681A1 Novel cephalosporins and processes for preparation thereof |
| 12/09/1992 | EP0517200A2 Process for the enzymatic production of cephalosporane derivatives |
| 12/09/1992 | EP0517041A1 New Cephem Compounds |
| 12/08/1992 | US5169843 Bactericides |
| 12/08/1992 | CA2070616A1 Cephem compounds |
| 12/04/1992 | CA2070083A1 Process for the enzymatic preparation of cephalosporanic derivatives |
| 12/02/1992 | CN1019300B Process for manufacture of carboxylic acid amides |
| 11/25/1992 | EP0514885A2 New process for the production of 7-amino-3-azidomethyl-3-cephem-4-carboxylic acid |
| 11/25/1992 | EP0514791A2 Crystalline acid addition salts of both diastereomers of the 1-(2,2-dimethylpropionyloxy)-ethylester of 3-cephem-4-carboxylic acid |
| 11/17/1992 | US5164494 Cephalosporin derivatives |
| 11/10/1992 | US5162524 Processes for making cephems from allenylazetidinone derivatives |
| 11/10/1992 | US5162523 Cephalosporin antibacterial compounds |
| 11/10/1992 | US5162522 Method for producing cephem compounds |
| 11/10/1992 | US5162521 Processes for making cephems from allenylazetidinone derivatives |
| 11/10/1992 | US5162520 Intermediates for cephem compounds |
| 10/29/1992 | WO1992018508A1 New cephem compounds |
| 10/29/1992 | WO1992018474A2 Novel 2-spirocyclopropyl cephalosporin sulfone derivatives and processes for the preparation thereof |
| 10/29/1992 | CA2107891A1 Novel 2-spirocyclopropyl cephalosporin sulfone derivatives and processes for the preparation thereof |
| 10/27/1992 | US5159077 Penam antibacterial compounds |
| 10/27/1992 | US5159071 Silylating acylamide cephem derivative, forming iminohalide intermediate, deoxygenation and deacylation |
| 10/27/1992 | US5159070 Process for the preparation of derivative of 7-[(2-hydroxyimino)-acetamido]-cephalosporanic acid |
| 10/27/1992 | US5158946 Antibiotics, bactericides |
| 10/22/1992 | DE4212840A1 New 7-beta-amino-3-(3(tetrazolin-5-thion-1-yl)-propen-1-yl)-3-cephem-4 carboxylic acids - are intermediates for antibacterial cephalosporin(s), prepd. by reacting tetrazolin-5-thion-1-yl-ethanal with cephem-3-yl-methyl-tri:phenyl-phosphonium iodide |
| 10/20/1992 | US5156960 Microbial process for the production of immunosuppressive antibiotics |
| 10/15/1992 | WO1992017482A1 Novel 2-spirocyclopropyl 4-acylcephems and processes for the preparation thereof |
| 10/15/1992 | CA2107892A1 Novel 2-spirocyclopropyl 4-acylcephems and processes for the preparation thereof |
| 10/14/1992 | EP0508375A2 Novel cephalosporin compounds and processes for preparation thereof |
| 10/13/1992 | CA1308708C Cephalosporins |
| 10/07/1992 | EP0507124A2 Process for preparing cephem derivatives |
| 10/01/1992 | WO1992016532A1 HALOGENATED β-LACTAM COMPOUND AND PRODUCTION OF 3-HYDROXYCEPHEM DERIVATIVE THEREFROM |
| 09/29/1992 | US5151417 3-substituted vinyl cephalosporin derivatives |
| 09/23/1992 | EP0504404A1 Process for producing 3-substituted thio-3-cephem compound |
| 09/23/1992 | EP0504216A1 Cephalosporins, processes for their preparation, intermediates and pharmaceutical compositions containing them |
| 09/23/1992 | EP0222022B1 Process for producing beta-lactam derivatives |
| 09/22/1992 | US5149803 Intermediates for cephalosporin compounds |
| 09/16/1992 | EP0503453A2 New process for the production of cephalosporines and novel intermediates in this process |
| 09/15/1992 | US5147871 Anti-bacterial cephalosporin compounds |
| 09/15/1992 | CA1307464C Lyophilized or precipitated cephalosporin zwitterion and salt composition |
| 09/08/1992 | CA1307206C Antibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredient |
| 09/01/1992 | US5144027 Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates |
| 09/01/1992 | US5143911 Bactericides |
| 09/01/1992 | US5143910 Piperaziniocephalosporins |
| 09/01/1992 | CA1306994C Cephalosporin derivatives, process for their preparation and antibacterial agents |
| 08/26/1992 | EP0500081A2 Azetidinone derivatives and method for producing azetidinone and cephalosporin derivatives |
| 08/25/1992 | US5142043 Refluxing with silylation agent in solvent, reacting with anhydride, hydrolyzing, acidifying and neutralizing to precipitate |
| 08/25/1992 | US5142042 Salt formation |
| 08/25/1992 | US5142041 Cephalosporin intermediates |
| 08/25/1992 | US5142040 Process for preparing a 3-formylcephem derivative |
| 08/19/1992 | CN1017903B Crystal cephalosporin derivates and their preparing process |
| 08/19/1992 | CN1017902B Process for the preparation of novel cephalosporin derivatives |
| 08/12/1992 | EP0497978A1 Cephalosporin compounds and production thereof |
| 08/11/1992 | US5138066 Intermediates for cephalosporins with sulfur-containing oxyimino side chain |
| 08/11/1992 | US5138049 Cephalosporin derivative |
| 08/05/1992 | EP0496993A1 Enzymatic process for preparing 7-aminocephalosporanic acid and derivatives |
| 08/05/1992 | EP0496739A1 Conversion of penicillins and cephalosporins to 1-(s)-sulfoxides |
| 08/05/1992 | CN1063286A Antibacterial agents |
| 07/29/1992 | CN1063106A Process for 3-exomethyleuecepham sulfoxide esters |
| 07/28/1992 | US5134138 Phenacylpyridiniothiocephalosporins |
| 07/28/1992 | US5134137 Cephalosporin antibiotics |
| 07/22/1992 | EP0495584A2 Cephalosporin compounds and their pharmaceutical compositions |
| 07/22/1992 | EP0494914A1 Novel 2-spirocyclopropyl cephalosporin sulfone derivatives and processes for the preparation thereof |
| 07/21/1992 | US5132419 Process for the preparation of 7-amino-3-((z)-1-propen-1yl)-3-cephem-4-carboxylic acid |
| 07/21/1992 | US5132301 Substituted cephalosporin sulfones as anti-inflammatory and anti-degenerative agents |
| 07/15/1992 | CN1017430B Alkeneamidocephalosporin esters |
| 07/08/1992 | EP0494118A1 Process for 3-exomethylenecepham sulfoxide esters |
| 07/08/1992 | CN1017336B Method of producing cephem compounds |
| 07/07/1992 | US5128465 Process for the preparation of cephem derivatives and intermediates therefor |
| 07/07/1992 | US5128336 3-(substituted)-1-carba(dethia)-3-cephems |
| 07/05/1992 | CA2058687A1 Process for 3-exomethylenecepham sulfoxide esters |
| 07/01/1992 | EP0492277A2 Cephalosporin derivatives |
| 06/30/1992 | US5126446 Process for 3-exomethylenecepham sulfoxide esters |
| 06/30/1992 | US5126445 Process for the preparation of cefodizime sodium |
| 06/30/1992 | US5126444 Intermediates for cephalosporin compounds |
| 06/30/1992 | US5126336 Antibiotic c-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof |
| 06/30/1992 | CA1304365C Oxetanocins |
| 06/24/1992 | CN1017153B Purine-substituted oxygen heterocycle butane |
| 06/23/1992 | US5124448 Deblocking process for allyl esters with regeneratable polymer supported Pd(O) |
| 06/21/1992 | CA2057777A1 Cephalosporin derivatives |
| 06/17/1992 | EP0490450A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastrointestinal medicines |
| 06/12/1992 | WO1992010502A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastro-intestinal medicines |
| 06/12/1992 | CA2075812A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastro-intestinal medicines |
| 06/09/1992 | US5120841 Antibiotics for easy absorption |
| 06/09/1992 | US5120728 Antibacterial agents |
| 06/03/1992 | EP0487996A2 Cephalosporins substituted in position 3, process for their preparation and their use as medicine |
| 06/03/1992 | CN1061602A Process for preparing 7-acyl-3-(substituted carbambytoxy) cephem compound |
| 06/03/1992 | CN1016871B Process for the preparation of tricyclische pyridinderivate and their use |
| 06/02/1992 | USRE33948 Bactericides, animal growth regulators |
| 05/29/1992 | WO1992008721A1 Novel cephalosporin compounds and processes for preparation thereof |
| 05/29/1992 | WO1992008463A1 Direct compression method for preparing pills having cephalosporanic acid derivatives |
| 05/29/1992 | CA2056103A1 3-substituted cephalosporins, process for their preparation and their use as medicaments |
| 05/20/1992 | EP0485808A2 Antibiotic C-3 catechol-substituted cephalosporin compounds, compositions and use thereof |
| 05/19/1992 | US5114933 Cephalosporin compounds |
| 05/14/1992 | WO1992007840A1 Thiazole thioester derivative |
| 05/14/1992 | CA2054958A1 Antibiotic c-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof |
| 05/13/1992 | EP0485204A2 Process for the preparation of 3-alkoxymethyl cephalosporin derivatives |
| 05/13/1992 | EP0485103A2 Process for cleavage of esters during the production of cephalosporins |
| 05/13/1992 | EP0484966A2 7-Acyl-3-(substituted carbamoyloxy) cephem compounds, use thereof and process for their preparation |
| 05/13/1992 | EP0484870A2 Prodrugs for beta-lactamase and uses thereof |