| 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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| 01/18/1995 | CN1097424A Preparation of beta-lactam, compounds, and intermediates therefor |
| 01/15/1995 | CA2127902A1 Cephem compound, its production and its use for producing cephem antibiotics |
| 01/03/1995 | US5378697 Cephalosporins |
| 12/29/1994 | CA2126401A1 Bicyclic beta-lactam/paraben complexes |
| 12/28/1994 | EP0630899A1 Cephem compound, process for producing the same, and medicine containing the same |
| 12/28/1994 | EP0630380A1 Process for the purification of a 3-cephem-4-carboxylic acid derivative |
| 12/22/1994 | WO1994029321A1 Novel cephem compounds |
| 12/22/1994 | WO1994029320A1 Cephalosporin compound, process for producing the same, and intermediate compound |
| 12/21/1994 | EP0629204A1 Cephalosporin derivatives |
| 12/14/1994 | EP0628562A1 Cephalospornis having in position 7 as substituted axymino radical, intermediates, processes for their preparation and their use as medicaments |
| 12/14/1994 | EP0628561A1 Process for preparing cephalosporin compounds from reactive organic acid derivatives |
| 12/14/1994 | CN1096298A New cephalosporins containing a substituted oxyimino radical in position 7, their preparation process and intermediates and their use as medicaments |
| 12/13/1994 | US5373001 Antibiotics |
| 12/13/1994 | US5373000 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds |
| 12/11/1994 | CA2111164A1 Cephatosporins containing a 7-substituted oxyimino radic al, their preparation process and intermediates and their use as drugs |
| 12/08/1994 | WO1994028003A1 Tricyclic defem sulphones as elastase inhibitors |
| 12/08/1994 | CA2140532A1 Tricyclic cefem sulphones as elastase inhibitors |
| 12/06/1994 | US5371220 Bicyclo-heterocyclic intermediates for cephalosporin compounds |
| 11/30/1994 | EP0625984A1 Cephalosporin compounds |
| 11/30/1994 | EP0329785B1 Cephalosporin derivatives |
| 11/15/1994 | US5364848 Substituted cephalosporin sulfones as anti-inflammatory and antidegenerative agents |
| 11/09/1994 | EP0623622A1 Process for producing cephem compound |
| 11/09/1994 | EP0623136A1 Novel cephalosporin compounds |
| 11/08/1994 | US5362722 Cephalosporin antibacterial agents |
| 10/25/1994 | US5359058 A cephalosporin compound substituted in the 7-position with a (cyclo)alkylideneammonio group |
| 10/25/1994 | US5359057 Acylation of amines |
| 10/19/1994 | EP0620225A1 Cephalosporin derivatives |
| 10/18/1994 | US5356888 1,1-dioxo-cephem-4-carbothiolic acid derivatives |
| 10/13/1994 | WO1994022874A1 Cephalosporin derivative |
| 10/13/1994 | CA2157870A1 Cephalosporin derivatives |
| 10/12/1994 | EP0618979A1 AN IMPROVED METHOD FOR THE PREPARATION OF CERTAIN $g(b)-LACTAM ANTIBIOTICS |
| 10/12/1994 | EP0433428B1 A stable form of cephradine, process for its production and intermediates used therein |
| 10/05/1994 | CN1093089A Cephalosporin salts and process for the preparation thereof |
| 10/04/1994 | US5352792 Thioalkylthio cephalosporin derivatives |
| 09/29/1994 | WO1994021649A1 Crystalline benzathine salt of cefonicid and its preparation |
| 09/28/1994 | CN1026015C Recombinant DNA expression vectors and DNA compounds that encode deacetoxycephalosporinc synthetase and deacetylcephalosporinc synthetase |
| 09/27/1994 | US5350845 Process for preparing 7-substituted-amino-3-hydroxy-3-cephem-4-protected carboxy-sulfoxide esters |
| 09/21/1994 | EP0557389B1 Direct compression method for preparing pills having cephalosporanic acid derivatives |
| 09/20/1994 | US5348952 Antibiotics for antiinflammatory agents, degenerative diseases caused by proteolytic enzymes and respiratory system disorders |
| 09/20/1994 | US5348951 Cephalosporins |
| 09/15/1994 | WO1994020505A1 Crystalline ceftiofur free acid |
| 09/15/1994 | WO1994020504A1 2-acyloxycephem derivatives as elastase inhibitors |
| 09/15/1994 | CA2118422A1 2 acyloxycephem derivatives |
| 09/13/1994 | US5347000 Process for the preparation of 2-chlorosulfinylazetidinone |
| 09/07/1994 | EP0613480A1 Process for the preparation of cephem derivatives |
| 08/31/1994 | EP0612751A2 Compounds for the preparation of cephem derivatives |
| 08/31/1994 | EP0612750A2 Cephalosporinderivatives |
| 08/31/1994 | EP0505413B1 Beta-lactam derivatives |
| 08/24/1994 | CN1025737C New cephem compounds and processes for preparation thereof |
| 08/18/1994 | WO1994018209A1 Improved process for isolation of cefaclor after enzymatic acylation |
| 08/18/1994 | CA2155530A1 Improved process for isolation of cefaclor after enzymatic acylation |
| 08/17/1994 | EP0611115A1 Preparation of beta-lactam compounds, and intermediates therefor |
| 08/17/1994 | EP0530268B1 Process for the preparation of 7-alpha-alkoxycephem derivatives |
| 08/16/1994 | US5338843 Fluorogenic and chromogenic β-lactamase substrates |
| 08/16/1994 | US5338667 Microbiological process for the production of malonyl-7-amino-cephalosporanic acid derivatives using Sphingomonas sp. DSM 7007 |
| 08/10/1994 | CN1025620C Process for 1-carba(dethia) cephalosporins |
| 08/09/1994 | US5336776 3-acetoxymethyl-7-(iminoacetamideo)-cephalosporanic acid |
| 08/09/1994 | US5336768 Bactericides |
| 08/09/1994 | US5336673 3-substituted cephem compounds |
| 08/03/1994 | CN1090285A Quinolonecarboxylic acids |
| 07/27/1994 | CN1089948A Triazolylthiomethylthio cephalosporin hydrochloride, its crystalline hydrate and the production of the same |
| 07/26/1994 | US5332731 Cephalosporin derivatives |
| 07/13/1994 | EP0605836A1 Cephalosporin derivatives |
| 07/12/1994 | US5329002 Antibacterial cephalosporin compounds |
| 07/12/1994 | US5329001 Substantially anhydrous crystalline cefadroxil and method for producing it |
| 07/12/1994 | US5328908 Antimicrobial quinolone thioureas |
| 07/07/1994 | WO1994014818A1 Cephem compounds with antimicrobial activity |
| 07/06/1994 | EP0604920A1 Novel cephalosporin compounds |
| 07/06/1994 | EP0528941A4 Process for preparing cephalexin monohydrate |
| 07/06/1994 | CN1025336C Process for 3-exomethylenecepham sulfoxide esters |
| 06/29/1994 | EP0603755A2 Cephalosporin salts and processes for their preparation |
| 06/29/1994 | CN1025195C Cephalosporin derivatives and their production and uses |
| 06/28/1994 | US5324721 3-Substituted cephalosporins, and their use as medicaments |
| 06/25/1994 | CA2112196A1 Cephalosporin salts and process for the preparation thereof |
| 06/15/1994 | EP0601996A1 Improved enzymatic oxidation of ceph C to glutaryl-7-amino-cephalosporanic acid |
| 06/09/1994 | WO1994012504A1 Method of purifying 7-aminocephalosporanic acid |
| 06/09/1994 | DE4341332A1 4-Alkyl- und 4-Alkenyl-Delta-3-Cephemsulfone 4-alkyl- and 4-alkenyl-3-Delta Cephemsulfone |
| 06/07/1994 | US5319140 Intermediates for cephalosporins with sulfur containing oxyimino side chain |
| 05/31/1994 | US5317099 Multistage reaction of triphenylphosphine and chlorocarbons and organic acids and aminocephalosporins for antibiotics |
| 05/31/1994 | US5317016 Pyrrolidylthiocarbapenem derivative |
| 05/25/1994 | CN1024669C Cephem compound and process for preparation thereof |
| 05/18/1994 | EP0597429A2 Process for the production of 3-vinylcephalosporins |
| 05/18/1994 | EP0597303A2 Cephalosporin derivatives |
| 05/13/1994 | CA2108609A1 Cephalosporin derivatives |
| 05/11/1994 | WO1994010177A1 Cephem compounds, and their pharmaceutical compositions |
| 05/11/1994 | CA2147609A1 Cephem compounds, and their pharmaceutical compositions |
| 05/04/1994 | EP0594563A1 Asymmetrical ureas, method for the preparation and utilization of the same |
| 05/04/1994 | CN1024417C Process for manufacturing of -3-cephem-4-carboxylic acid, 1,2-propylene glycolate |
| 04/27/1994 | EP0594263A1 Thioalkylthio cephalosporin derivatives and intermediates |
| 04/27/1994 | EP0593457A1 Antimicrobial quinolone thioureas |
| 04/27/1994 | CN1085904A Method for purification of 7-amino-cephalosporanic acid |
| 04/26/1994 | US5306717 Cephalosporin derivatives |
| 04/20/1994 | EP0592868A1 Quinolonecarboxylic acids |
| 04/20/1994 | EP0592677A1 Beta-LACTAM COMPOUND AND CEPHEM COMPOUND, AND PRODUCTION THEREOF |
| 04/19/1994 | US5304641 Reacting with lanthanide series complex |
| 04/14/1994 | WO1994007898A1 Novel cephalosporin derivatives and processes for the preparation thereof |
| 04/13/1994 | EP0591808A1 Quinolonecarboxylic acids |
| 04/13/1994 | CA2108060A1 Quinolonecarboxylic acids |
| 04/12/1994 | US5302713 From a penicillin sulfoxide |
| 04/12/1994 | US5302712 Used for making pharmceutical compositions for treating infectious diseases |