| 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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| 08/23/2001 | WO2001060828A1 Intermediates for and synthesis of 3-methylene cephams |
| 08/23/2001 | US20010016581 Separation of cephalosporin isomers |
| 08/22/2001 | EP1124528A1 Multivalent macrolide antibiotics |
| 08/22/2001 | EP0949262B1 Cephem compounds |
| 08/22/2001 | EP0907633B1 New synthetic catechol derivatives, method for production and use thereof |
| 08/22/2001 | EP0869961B1 Process for the recovery of cephalexin |
| 08/21/2001 | US6277996 Useful for the preparation of cephalosporin antibiotics, including ceftazidime and cefixime |
| 08/14/2001 | US6274730 Reacting with nitrous acid in a water slurry under acid conditions |
| 08/07/2001 | US6271212 Mixture with carrier |
| 08/02/2001 | WO2001054691A1 Nitrate salts of antimicrobial agents |
| 08/02/2001 | US20010011085 4-substituted cephem derivatives as elastase inhibitors |
| 08/02/2001 | CA2397754A1 Nitrate salts of antimicrobial agents |
| 08/01/2001 | EP0625984B1 Cephalosporin compounds |
| 08/01/2001 | CN1306536A Propenyl cephalosporin derivatives |
| 07/25/2001 | CN1305484A 3-(2-oxo[1,3']bihyrrolidinyl-3-ylidenemethyl)-cephems |
| 07/25/2001 | CN1305375A Antibacterial agents |
| 07/24/2001 | US6265394 Especially useful in the treatment of diseases caused by methicillin-resistant staphylococcus aureus. |
| 07/18/2001 | CN1304392A Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt |
| 07/12/2001 | US20010007903 Novel crystal of cephalosporin compound |
| 07/05/2001 | US20010007029 By use of Wittig reaction in which weak bases are used |
| 07/03/2001 | US6255480 Aminothiazole derivatives useful in the preparation of β-lactam antibiotics |
| 07/03/2001 | US6255479 Process for the preparation of α-oxolactams |
| 06/28/2001 | WO1999063937A9 Multivalent macrolide antibiotics |
| 06/20/2001 | EP0700916B1 Cephem compound, process for producing the same, and antibacterial containing the compound |
| 06/20/2001 | CN1300290A Novel cephalosporin compounds, processes for preparation thereof and antimicrobial compositions containing the same |
| 06/19/2001 | US6248881 Intermediates and process for the production of 3-vinyl cephalosporins |
| 06/13/2001 | EP0854875B1 New cephem compounds |
| 06/13/2001 | EP0690864B1 Crystalline ceftiofur free acid |
| 06/07/2001 | WO1999063940A3 INHIBITORS OF H+K+-ATPase |
| 06/06/2001 | EP0690865B1 Crystalline benzathine salt of cefonicid and its preparation |
| 06/06/2001 | CN1298408A A method for crystallizing a beta-lactam antibiotic |
| 06/06/2001 | CN1298407A Preparation of beta-Lactam antibiotics in the presence of urea or amide |
| 06/06/2001 | CN1066735C Cephalosporin antibiotics |
| 06/06/2001 | CN1066731C Substrates for beta-lactamase and uses thereof |
| 05/30/2001 | EP1103555A1 Process for the production of a 3-cephem-4-carboxylic acid derivative |
| 05/30/2001 | EP0723965B1 Novel cephalosporin derivatives |
| 05/30/2001 | EP0678520B1 Process for producing 3-substituted cephem compound |
| 05/30/2001 | CN1066452C Crystalline cephem acid addition salts and processes for their preparation |
| 05/29/2001 | CA2086250C Process for preparation of beta-lactams |
| 05/23/2001 | CN1296078A Recombination nucleic acid molecule and application thereof |
| 05/22/2001 | US6235897 Separation of cephalosporin isomers |
| 05/22/2001 | US6235896 Treating cefuroxime axetil with alkoxides in the presence of a suitable solvent or solvent mixture and isolating cefuroxime from the reaction mixture. |
| 05/17/2001 | WO2001034611A1 Method of preparing highly pure cefpodoxime proxetil |
| 05/17/2001 | CA2389039A1 Method of preparing highly pure cefpodoxime proxetil |
| 05/16/2001 | CN1295576A Process for purification of cephalosporin derivative |
| 05/16/2001 | CN1295575A Novel process for fermentative production of cephalosporin |
| 05/16/2001 | CN1065865C Solvent extraction of 3-hydroxymethyl cephalosporin |
| 05/15/2001 | US6232306 Useful as antibiotics especially against methicillin resistant staphylcocci and pseudomonas species |
| 05/15/2001 | US6232305 Substituted amino bicyclic-β-lactam penam and cepham derivatives as cysteine protease inhibitors |
| 05/15/2001 | CA2196539C Process for making quinolonyl lactam antimicrobials and novel intermediate compounds |
| 05/09/2001 | CN1294593A Cephalosporines having cyclic aminoguanidine substituents as antibiotics |
| 05/03/2001 | WO2001030783A1 PROCESS FOR THE PREPARATION OF A β-LACTAM ANTIBIOTIC |
| 04/25/2001 | CN1292380A New process for preparing cephalosporin derivative |
| 04/19/2001 | WO2001027117A1 Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid |
| 04/19/2001 | CA2387223A1 Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid |
| 04/18/2001 | CN1291612A Cynnematin kind antibiotics |
| 04/18/2001 | CN1291611A Cynnematin kind antibiotics |
| 04/17/2001 | US6218138 Reacting amino-beta-lactam component and corresponding amino-group containing acylating side chain component in presence of biocatalystto form antibiotic, solubilizing by adding acid which deactivates enzyme; enzyme is reusedenzyme |
| 04/17/2001 | CA2072106C Cephalosporin compounds and method for producing them |
| 04/11/2001 | EP1090920A1 Cephem compounds |
| 04/11/2001 | EP1090013A1 Propenyl cephalosporin derivatives |
| 04/11/2001 | CN1290702A Synthetic intermediate of cephalo olefine compound |
| 04/10/2001 | US6214818 Cephem compounds and pharmaceutical compositions containing the same |
| 04/05/2001 | WO2001023393A1 3-cephem derivative crystal and method for preparing the same |
| 04/04/2001 | EP1087980A1 Derivatives of 3-(2-oxo- 1,3']bipyrrolidinyl-3-ylidenemethyl)-cephems |
| 04/04/2001 | EP1087979A1 Process for the preparation of cefuroxime axetil in an amorphous form |
| 04/04/2001 | EP0817785B1 Substrates for beta-lactamase and uses thereof |
| 04/04/2001 | CN1290177A Crystallographically stable amorphous sephalosporin compositions and process for producing the same |
| 03/29/2001 | WO2001021623A1 7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof |
| 03/29/2001 | WO2001021622A1 Process for the preparation of 3-sulfonyloxy-3-cephem compounds |
| 03/29/2001 | CA2385479A1 7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof |
| 03/28/2001 | EP1086690A2 Pharmaceutical formulations of cefaclor |
| 03/28/2001 | EP1086689A2 Pharmaceutical formulations of cefaclor |
| 03/28/2001 | EP1085893A1 Phosphodiesterase-v modulator drugs and their uses |
| 03/28/2001 | EP1085891A1 Multibinding inhibitors of topoisomerase |
| 03/28/2001 | EP1085861A1 Inhibitors of nitric oxide synthase |
| 03/28/2001 | EP1085846A2 Multibinding inhibitors of microsomal triglyceride transferase protein |
| 03/21/2001 | EP1085000A1 Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt |
| 03/21/2001 | EP1083920A1 Novel antibacterial compounds |
| 03/21/2001 | EP1083919A1 Novel antiviral compounds |
| 03/21/2001 | CN1288466A Process for prepn. of sefpodoxime proxetil diastereoisomers |
| 03/21/2001 | CN1063491C Improved process for preparing cephalosporins |
| 03/14/2001 | EP1082326A1 Cephalosporines having cyclic aminoguanidine substituents as antibiotics |
| 03/14/2001 | EP0803506B1 Process for the preparation of 3-halogenocephem derivatives |
| 03/14/2001 | CN1287556A Process for the preparation of beta-hydroxy esters |
| 03/13/2001 | CA2123788C Cephem compound, process for producing the compound, and pharmaceutical composition containing the same |
| 03/08/2001 | WO2001016140A1 Process for the preparation of cephem compounds |
| 03/08/2001 | WO1999064047A8 Novel antiviral compounds |
| 03/07/2001 | EP1080721A2 Non-crystalline solid dispersant comprising cefuromixe axetil |
| 02/28/2001 | EP1077981A1 Novel cephalosporin compounds, processes for preparation thereof and antimicrobial compositions containing the same |
| 02/28/2001 | CN1285745A Application of enzyme products as anti-infective agents |
| 02/21/2001 | CN1284997A Modified deacetoxycephalosporin C synthase (DAOCS) and x-ray structure |
| 02/21/2001 | CN1062272C Silylation process |
| 02/15/2001 | WO2001010410A1 Non-crystalline cefuroxime axetil solid dispersant, process for preparing same and composition for oral administration thereof |
| 02/15/2001 | CA2378267A1 Non-crystalline cefuroxime axetil solid dispersant, process for preparing same and composition for oral administration thereof |
| 02/14/2001 | EP1075479A1 A method for crystallizing a beta-lactam antibiotic |
| 02/13/2001 | CA2203942C A pyrrolidylthiocarbapenem derivative |
| 02/13/2001 | CA2054895C 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation |
| 02/13/2001 | CA2001203C Novel antimicrobial dithiocarbamoyl quinolones |
| 02/08/2001 | WO2001009143A1 An improved amorphous form of cefpodoxime proxetil |