| 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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| 06/30/2011 | WO2011077217A1 An improved process for the preparation of cefpodoxime acid |
| 06/29/2011 | CN101735249B Process for preparing instantly-dissolving cefmenoxime hydrochloride |
| 06/29/2011 | CN101648961B Method and equipment for preparing cefotiam hydrochloride |
| 06/22/2011 | CN101862296B Cefmetazole sodium composition powder injection for injection |
| 06/22/2011 | CN101111498B Cefcapene pivoxil methanesulfonate |
| 06/15/2011 | CN102093392A New method for preparing Cefamandole Nafate |
| 06/15/2011 | CN102093391A New preparation method of ceftiofur sodium |
| 06/15/2011 | CN102093390A Method for preparing cefuroxime acid |
| 06/15/2011 | CN101613357B HCL ceftizoxime alapivoxil synthesizing process |
| 06/15/2011 | CN101607967B Cefoxitin acid preparation method |
| 06/15/2011 | CN101560216B Method for preparing cefditoren pivoxil |
| 06/15/2011 | CN101429207B Process for producing 7-amino-3-[(1-methyl pyrrolidine) methyl]-3- cephalosporin-4-carboxylic dihydrochloride |
| 06/09/2011 | US20110137026 Crystalline (6r,7r)-7--3- [(R)-1'-Tert-Butoxycarbonyl-2-Oxo-[1,3']Bipyrrolidinyl-(3e)-Ylidenemethyl]-8-Oxo-5-Thia-1-Aza-Bicyclo[4.2.0] Oct-2-Ene-2-Carboxylic Acid Benzhydryl Ester; Its Manufacture and Use |
| 06/09/2011 | US20110136777 Crystalline sodium salt of cephalosporin antibiotic |
| 06/08/2011 | CN101172982B Method of preparing cefpirome sulfate |
| 06/01/2011 | CN102079751A Method for preparing cefixime trihydrate |
| 06/01/2011 | CN102079750A Cefuroxime sodium compound and new preparation method thereof |
| 06/01/2011 | CN101613361B Method for preparing cefoxitin sodium |
| 05/31/2011 | CA2416566C Depot formulation comprising ceftiofur and peroxidized natural oil |
| 05/31/2011 | CA2319080C Multivalent antibacterial agents |
| 05/25/2011 | EP2324034A2 Crystalline sodium salt of cephalosporin antibiotic |
| 05/25/2011 | CN102070656A Substituted imidazole ring-containing cephalosporin derivatives |
| 05/25/2011 | CN102070655A Imidazole ring-containing cephalosporin derivative |
| 05/25/2011 | CN102070654A Preparation method of cefathiamidine |
| 05/19/2011 | US20110118462 N-heterocyclic substituent-containing antibiotic, preparation and use thereof |
| 05/18/2011 | CN102060861A Desalination concentration method for cephalo mother liquor |
| 05/18/2011 | CN101843589B Ceftizoxime sodium composition sterile powder for injection |
| 05/18/2011 | CN101613359B Method for synthesizing cefuroxime sodium |
| 05/18/2011 | CN101569628B Cefmenoxime hydrochloride composition powder injection and manufacturing method thereof |
| 05/18/2011 | CN101525340B Method for synthesizing 7-phenylacetylamino-3-chloromethyl cephalosporin alkyl acid p-methoxybenzyl ester |
| 05/18/2011 | CN101143871B Cephalosporin derivative |
| 05/12/2011 | US20110112059 Photoactivatable antimicrobial agents and therapeutic and diagnostic methods of using same |
| 05/11/2011 | EP2319618A1 Macroporous adsorption resin special for extracting cephalosporin c and its preparation method |
| 05/11/2011 | CN102050831A Cephalosporin derivative |
| 05/11/2011 | CN102050830A Cephalosporin derivative containing nitrogen-containing fused-heterocycle |
| 05/11/2011 | CN101555252B Synthetic method of antibiotic cefoxitin |
| 05/04/2011 | CN102040615A Pyrrolin naphthene base-containing cephalo antibiotic |
| 05/04/2011 | CN102040614A Method for producing cephalothin acid by water phase method |
| 05/04/2011 | CN101671350B Cefpiramide sodium compound and its preparation method |
| 05/04/2011 | CN101550152B Cefaclor compound and preparation method thereof |
| 05/04/2011 | CN101550148B Refining method of Cefpodoxime proxetil compound |
| 05/04/2011 | CN101550147B Cefdinir compound and preparation method thereof |
| 05/04/2011 | CN101497620B Purification method of penicillin and cephalosporin |
| 04/27/2011 | CN102030763A Cefuroxime axetil compound and new preparation method thereof |
| 04/27/2011 | CN102030762A Preparation method of cefprozil |
| 04/27/2011 | CN101613360B Method for preparing cefotaxime |
| 04/27/2011 | CN101565427B Preparation method of cefdinir |
| 04/27/2011 | CN101550145B Cefradine compound preparation method |
| 04/27/2011 | CN101418015B Ceftriaxone phosphorylation derivates |
| 04/20/2011 | CN102020666A Cefminox sodium compound and new preparation method thereof |
| 04/20/2011 | CN102020665A Method for preparing cephapirin benzathine |
| 04/20/2011 | CN102020664A Synthesis method for cefdinir |
| 04/20/2011 | CN101423523B Method for preparing sodium 7-methoxy-7-chloracetylamino-3-methyltetrazole sulfidomethyl cephalosporanic acid |
| 04/14/2011 | WO2011042776A1 Process for preparation of cefotaxime acid and pharmaceutically acceptable salt thereof |
| 04/14/2011 | WO2011042775A1 Process for preparation of cefotaxime acid |
| 04/13/2011 | CN102010433A Cefepime hydrochloride compound and new preparation method thereof |
| 04/13/2011 | CN102010432A Cefodizime sodium compound and novel method thereof |
| 04/13/2011 | CN102010431A Ceftezole sodium compound and novel method thereof |
| 04/13/2011 | CN102010430A Synthesis process of ceftezole sodium |
| 04/13/2011 | CN102010429A Synthesis process of ceftezole |
| 04/13/2011 | CN102010428A Cefathiamidine compound and new preparation method thereof |
| 04/13/2011 | CN102010427A Method for preparing cefdinir |
| 04/13/2011 | CN102010426A Method for preparing ceftizoxime sodium |
| 04/13/2011 | CN101307062B Straight method for producing 7-amino-3-descetoxy-cephalosporanic acid |
| 04/12/2011 | CA2504730C Cephem compounds |
| 04/06/2011 | CN102007132A Crystalline (6r,7r)-7-{2-(5-amino-[1,2,4]thiadiazol-3-yl)-2-[(z)-trityloxyimino]-acetylamino}-3-[(r)-1'-tert-butoxycarbonyl-2-oxo-[1,3']bipyrrolidinyl-(3e)-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester |
| 04/06/2011 | CN102002058A Synthetic method of cefquinome sulfate |
| 03/30/2011 | CN101993450A Preparation method of cefoselis sulfate |
| 03/30/2011 | CN101993449A Preparation methods of high-purity cefotiam hexetil and dihydrochloride of high-purity cefotiam hexetil |
| 03/30/2011 | CN101992053A Cephalosporin acylation reaction kettle |
| 03/30/2011 | CN101544662B Cefotiam salt compound and pharmaceutical composition made therefrom |
| 03/29/2011 | CA2463544C Cross-linked glycopeptide-cephalosporin antibiotics |
| 03/22/2011 | CA2418970C Preparation of n-protected-3-pyrrolidine-lactam substituted phosphonium salts |
| 03/17/2011 | WO2010020871A8 Crystalline sodium salt of cephalosporin antibiotic |
| 03/16/2011 | CN101584671B Cefazedone sodium medicament powder injection and method for synthesizing raw medicine of Cefazedone sodium |
| 03/10/2011 | US20110059933 Crystalline sodium salt of cephalosporin antibiotic |
| 03/09/2011 | EP1554289B1 A cefdinir intermediate |
| 03/02/2011 | CN101982469A Method for removing bacterial endotoxins in cephalosporin antibiotics by utilizing macroporous adsorption resins |
| 02/24/2011 | US20110046103 Neurotherapeutic Cephalosporin Sulfoxide and Sulfone-Containing Compositions |
| 02/23/2011 | EP2285381A2 Photoactivatable antimicrobial agents and therapeutic and diagnostic methods of using same |
| 02/23/2011 | CN101979393A Method for synthesizing cephalothin acid by using 7-aminocephalosporanic acid (ACA) |
| 02/22/2011 | US7893254 Process for production of 3-alkenylcephem compounds |
| 02/22/2011 | CA2471310C An improved synthesis of ceftiofur intermediate |
| 02/17/2011 | US20110040086 Novel Beta-Lactam Antibiotics, Methods for Their Production, and Their Use |
| 02/16/2011 | CN101974022A Process for purifying cefsulodin sodium by solvent crystallization method |
| 02/16/2011 | CN101974021A Method for synthesizing cefuroxime acid |
| 02/16/2011 | CN101974020A Method for synthesizing cefdinir |
| 02/09/2011 | CN201737868U Novel device for recycling active ingredients of cefuroxime mother liquor |
| 02/09/2011 | CN201737867U Novel device for washing cefmetazole crystals |
| 02/09/2011 | CN101967156A Method for recrystallizing cefuroxime sodium |
| 02/09/2011 | CN101475579B Stable cefuroxime sodium and preparation thereof |
| 02/09/2011 | CN101307061B Method for preparing 7-phenylacetamido-3-chloromethyl-4-carboxylic acid p-m-ethoxybenzyl ester |
| 02/03/2011 | WO2011012965A1 Improved process for preparation of ceftriaxone disodium hemiheptahydrate |
| 02/02/2011 | CN101696214B Cefminox sodium compound of new route |
| 02/02/2011 | CN101623285B Cefmetazole sodium medicament and preparation method thereof |
| 02/02/2011 | CN101337970B Method for synthesizing antibiotic cefpirome sulfate |
| 01/27/2011 | WO2011009827A1 Method of making cefquinome particles |
| 01/27/2011 | US20110020240 Use of bacterial beta-lactamase for in vitro diagnostics and in vivo imaging, diagnostics and therapeutics |
| 01/27/2011 | CA2768088A1 Method of making cefquinome particles |
| 01/26/2011 | EP2170909B1 Process for the silylation of beta-lactam compounds |