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