| 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) |
|---|
| 05/30/2012 | CN102477049A 一种头孢西丁国产化技术 One kind of localization technology cefoxitin |
| 05/30/2012 | CN101880291B Preparation method of cefpirome sulfate sterile powder |
| 05/30/2012 | CN101812076B Cefuroxime sodium and preparation method thereof |
| 05/30/2012 | CN101747346B Method for synthesizing coarse salt of ceftriaxone sodium by phase transfer catalysis method |
| 05/23/2012 | CN102471350A 制造头孢喹肟颗粒的方法 The method of manufacturing Cefquinome particles |
| 05/23/2012 | CN101863907B Method for crystallizing cefoperazone sodium |
| 05/17/2012 | US20120122832 Method of making cefquinome particles |
| 05/16/2012 | EP2268648B1 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; its manufacture and use |
| 05/16/2012 | CN102453042A Preparation method of high-purity cefathiamidine |
| 05/16/2012 | CN102453041A Environment-friendly impurity-removal manufacturing method |
| 05/16/2012 | CN102452873A Compound containing carbon or oxygen isotope and preparation method thereof and application thereof and composition thereof |
| 05/15/2012 | US8178521 Cefazolin sodium pentahydrate crystal and its molecular assembly preparation method |
| 05/10/2012 | US20120116070 Method for the production of ceftobiprole medocaril |
| 05/09/2012 | CN102448967A Method for the production of ceftobiprole medocaril |
| 05/09/2012 | CN102448966A Method for the production of ceftobiprole medocaril |
| 05/09/2012 | CN102443014A 3-cefaclor derivative as well as synthesis method and application thereof in preparation of cefaclor |
| 05/09/2012 | CN102443013A Method for preparing cefprozil dimethyl formamide solvate |
| 05/09/2012 | CN101787039B High-purified cefmetazole sodium compound |
| 05/09/2012 | CN101538273B Method for preparing (6R,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-olefine-3-H-2-carboxylic acid |
| 05/03/2012 | US20120108807 Method for the production of ceftobiprole medocaril |
| 05/02/2012 | EP1507796B1 Cross-linked glycopeptide-cephalosporin antibiotics |
| 05/02/2012 | CN102432629A Method for refining ceftriaxone sodium crude product |
| 05/02/2012 | CN102432628A Method for preparing cefonicid intermediate |
| 05/02/2012 | CN101798313B New preparation method of Cefdinir |
| 05/01/2012 | US8168622 β-lactamase-resistant cephalosporin ester compounds and salts of thereof |
| 04/25/2012 | CN102424687A 盐酸头孢替安酯的制备方法 Preparation cefotiam ester hydrochloride |
| 04/25/2012 | CN101747345B 无定形头孢地嗪钠及其制备方法和含有该无定形的药物组合物 Sodium amorphous cefodizime its preparation method and containing the amorphous pharmaceutical composition |
| 04/19/2012 | WO2012049576A1 Crystalline sodium salt of cephalosporin antibiotic |
| 04/18/2012 | CN101792453B 一种7-氨基-3-磺酸基四氮唑硫甲基头孢烷酸的制备方法 Preparation of one kind of 7- amino-3-sulfonic acid group tetrazolium ylthiomethyl cephalosporanic acid |
| 04/11/2012 | CN102408440A 盐酸头孢吡肟的合成方法 Synthesis of cefepime hydrochloride |
| 04/11/2012 | CN102408439A 一种注射用盐酸头孢甲肟化合物 An injection compound cefmenoxime hydrochloride |
| 04/11/2012 | CN102408438A 一种头孢丙烯一水合物的制备方法 Preparation method of cefprozil monohydrate |
| 04/11/2012 | CN101279981B Refining method of cefbuperazone intermediate |
| 04/04/2012 | EP2435442A1 Method for the production of ceftobiprole medocaril |
| 04/04/2012 | EP2435441A1 Method for the production of ceftobiprole medocaril |
| 04/04/2012 | CN102399234A 头孢西丁钠的制备方法 Preparation cefoxitin sodium |
| 04/04/2012 | CN102002058B 硫酸头孢喹肟的合成方法 Synthesis of sulfuric acid Cefquinome |
| 04/03/2012 | US8148632 Quantum dot solar cell |
| 03/28/2012 | CN102391291A Cefmetazole acid preparation method |
| 03/28/2012 | CN102391290A Cefoxitin anhydrous crystal, preparation method thereof and method for preparing cefoxitin sodium by using same |
| 03/28/2012 | CN102391289A Synthetic methods of ceftazidime intermediate and ceftazidime |
| 03/28/2012 | CN102391288A Preparation methods of cefpirome intermediate and cefpirome |
| 03/28/2012 | CN101781317B Method for preparing cephapirin benzathine |
| 03/21/2012 | CN102382126A Cefuroxime-L-arginine hydrate and application thereof |
| 03/21/2012 | CN102382125A Cefditoren water-soluble composite, preparation method and corresponding pharmaceutical preparation thereof |
| 03/21/2012 | CN102382124A Ceftizoxime alapivoxil synthesized from cephalosporin drug intermediate and preparation method thereof |
| 03/21/2012 | CN102079750B Cefuroxime sodium compound and new preparation method thereof |
| 03/21/2012 | CN101830914B Cefuroxime lysine crystal compound and preparation method thereof |
| 03/15/2012 | WO2012032040A1 Process for the production of cephalosporins |
| 03/14/2012 | CN102372729A Novel method for synthesizing cefoperazone sodium compound |
| 03/14/2012 | CN102372728A Synthesizing method for cephalosporin compound |
| 03/14/2012 | CN101941982B Novel preparation method of pharmaceutical ceforanide |
| 03/07/2012 | CN101880290B Preparation method of cefamandole nafate |
| 02/29/2012 | EP1752460B1 3-alkenylcephem compounds and process for production thereof |
| 02/29/2012 | CN102363621A Cefminox sodium hexahydrate, preparation method thereof and pharmaceutical composition containing hexahydrate |
| 02/29/2012 | CN101979393B Method for synthesizing cephalothin acid by using 7-aminocephalosporanic acid (ACA) |
| 02/22/2012 | CN102358744A Cefoxitin sodium crystal compound and cefoxitin sodium composition powder injection |
| 02/22/2012 | CN102030763B Cefuroxime axetil compound and new preparation method thereof |
| 02/22/2012 | CN101787036B 一种高纯度的头孢孟多酯钠化合物 A high-purity sodium carbonate compound cefamandole |
| 02/16/2012 | US20120040380 Optically-detectable enzyme substrates and their method of use |
| 02/15/2012 | CN102351886A Cefteram pivoxil crystal and preparation method thereof and composition tablets containing crystal |
| 02/15/2012 | CN102351885A Method for preparing cefuroxime-L-arginine hydrate |
| 02/15/2012 | CN102351884A Process for the crystallisation of cefadroxil |
| 02/15/2012 | CN102351883A Detection method and production process for ceftizoxime sodium preparation |
| 02/15/2012 | CN102010428B 头孢硫脒化合物及其新制法 Cefathiamidine compounds and freshly France |
| 02/08/2012 | CN102344459A Preparation method of cephalosporin intermediate GCLE |
| 02/08/2012 | CN102344458A Cefprozil compound crystal and medicinal composition thereof |
| 02/08/2012 | CN101935325B 盐酸头孢吡肟的制备方法 Preparation of cefepime hydrochloride |
| 02/01/2012 | CN102336771A Method for preparing sulfuric acid cefoselis intermediate |
| 01/25/2012 | CN102329329A Novel method for preparing cefmenoxime hydrochloride compound |
| 01/25/2012 | CN102329328A Novel method for purifying ceftizoxime sodium compound |
| 01/25/2012 | CN101556262B Method for detecting impurities in cefoxitin product |
| 01/18/2012 | CN1903860B Technology of preparing high purity cefotamei sodium by solvent process and its medical use |
| 01/18/2012 | CN102321101A Preparation method of cefazolin sodium |
| 01/18/2012 | CN102321100A Preparation method of cefminox sodium |
| 01/18/2012 | CN102321099A Crystallization method of cephalosporanic acid |
| 01/11/2012 | CN102311452A Cefixime crystal, preparation method thereof and tablet composition containing same |
| 01/11/2012 | CN102020666B Cefminox sodium compound and new preparation method thereof |
| 01/11/2012 | CN102010432B Cefodizime sodium compound and novel method thereof |
| 01/11/2012 | CN101891755B Cefsulodin sodium compound and novel preparation method thereof |
| 01/11/2012 | CN101817835B Cefdinir compound and new preparation method thereof |
| 01/11/2012 | CN101805357B Cefaclor compound and novel preparation method thereof |
| 01/11/2012 | CN101787037B High-purified cefotiam hydrochloride compound |
| 01/11/2012 | CN101768171B Synthesis method of cefpodoxime proxetil compound |
| 01/11/2012 | CN101704827B Synthesis method of cefathiamidine compound |
| 01/11/2012 | CN101696213B Synthetic method of 7-MAC intermediate |
| 01/11/2012 | CN101481383B Cefdinir acid type double salt compound and preparation |
| 01/10/2012 | US8093377 Cephalosporin in crystalline form |
| 01/04/2012 | EP1671635B1 Noncrystalline antibacterial composition containing cefditoren pivoxil |
| 01/04/2012 | CN102304140A Preparation method of cefodizime sodium |
| 01/04/2012 | CN102010426B Method for preparing ceftizoxime sodium |
| 01/04/2012 | CN101654458B Preparation method of hydrochloric acid ceftiofur |
| 12/28/2011 | CN102295654A 一种头孢西丁化合物及其组合物 One kind of compounds and compositions cefoxitin |
| 12/28/2011 | CN102295653A 头孢呋辛钠的一步法回收制备方法 One-step preparation process recycling cefuroxime sodium |
| 12/21/2011 | CN102286003A 一种头孢他啶的合成方法 A method of synthesis of ceftazidime |
| 12/21/2011 | CN102286002A 头孢匹胺钠粉针组合物及其制备方法 Cefpiramide sodium injection powder composition and its preparation method |
| 12/21/2011 | CN102286001A 头孢替唑钠的制备方法 Ceftezole sodium preparation |
| 12/21/2011 | CN102286000A 头孢尼西及其药用盐的制备方法 Preparation and pharmaceutically acceptable salts Cefonicid |
| 12/21/2011 | CN102285999A 一步法制备头孢硫脒的制备方法 Preparation cefathiamidine step preparation |
| 12/21/2011 | CN101723959B 头孢拉宗的精制方法 Cefbuperazone purification method |