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

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)
12/2011
12/21/2011	CN101723958B 头孢地嗪钠药物及制备方法 Cefodizime drugs and preparation methods
12/14/2011	CN102276631A 一种盐酸头孢吡肟的制备方法 Preparation method of cefepime hydrochloride
12/14/2011	CN102276630A 一种头孢米诺钠结晶化合物及其组合物粉针 One kind Cefminox crystalline compounds and compositions of sodium powder for injection
12/14/2011	CN102276629A 一种头孢孟多酯钠的合成路线 A synthetic route cefamandole sodium acetate
12/07/2011	CN102268023A 头孢类衍生物cxd的晶型 Cephalosporin derivatives cxd of polymorphs
12/07/2011	CN102268022A 用于表征Cefroxadine的参照标准品及其制备方法和用途 Cefroxadine used to characterize the reference standard preparation method and use
12/07/2011	CN102268021A 一种头孢米诺钠的制备方法 Minoxidil preparation of sodium a cephalosporin
12/07/2011	CN102268020A 头孢噻呋乙酰氧基乙基酯及其制备方法 Ceftiofur acetoxyethyl ester and its preparation method
12/07/2011	CN102268019A 一种头孢羟氨苄化合物及其制法 One kind of compound cefadroxil Jiqizhifa
12/07/2011	CN102268018A 头孢克肟的结晶方法 Cefixime crystallization methods
12/07/2011	CN102267953A 合成头孢拉定或Cefroxadine的中间体化合物及其制备方法和应用 Synthesis cefradine or Cefroxadine intermediate compounds and its preparation method and application
12/07/2011	CN101792454B 7-α氨基7-甲氧基-3-甲基四唑硫甲基头孢烷酸苄酯的制备方法 7-α-amino-7-methoxy-3-methyl-tetrazol-ylthiomethyl method cephalosporanic acid benzyl ester
12/07/2011	CN101153044B 广谱抗菌的含有硫基噻唑吡啶鎓甲基的头孢烯化合物 Cephem compounds containing thio-thiazol-pyridiniummethyl of broad-spectrum antimicrobial
12/06/2011	US8071761 Substrates for beta-lactamase and uses thereof
11/2011
11/30/2011	CN202052337U 头孢曲松钠母液精馏装置 Ceftriaxone liquor distillation unit
11/30/2011	CN102260279A 一种头孢类药物的原料及其制备方法 One kind of cephalosporins of raw materials and preparation method
11/30/2011	CN101993450B 一种硫酸头孢噻利的制备方法 An cefoselis preparation of sulfuric acid
11/24/2011	WO2011144021A1 Cefpiramide sodium hydrate, preparation method and uses thereof
11/23/2011	CN102250125A Preparation method of cefotetan
11/23/2011	CN102250124A Synthesis method of cefbuperazone
11/23/2011	CN102250123A Cefodizime sodium hydrate as well as preparation method and application thereof
11/23/2011	CN102250122A Process method for preparing methoxycephems intermediate 7-MAC (7-methoxycephalosporin)
11/17/2011	WO2011141415A1 Oxidation process for preparing 3-formyl-cephem derivatives
11/17/2011	WO2011141004A1 Cefodizime sodium hydrate, preparation method and uses thereof
11/17/2011	CA2795556A1 Oxidation process for preparing 3-formyl-cephem derivatives
11/16/2011	CN102241692A Method for preparing cefotiam hexetil hydrochloride by solvent crystallization
11/16/2011	CN102010433B Cefepime hydrochloride compound and new preparation method thereof
11/16/2011	CN101045733B Preparation method of cefotiam chloride
11/09/2011	EP2385054A1 Cefdinir acid double salt and its preparation
11/09/2011	CN202028233U Column separation device used in technical process of cephalosporin antibiotics production
11/09/2011	CN102234289A Novel method for preparing ceftiofur intermediate
11/09/2011	CN101486720B Method for synthesizing cefodizime sodium compound
11/03/2011	WO2011136268A1 Novel cephem derivative
11/03/2011	US20110269689 High penetration compositions and their applications
11/02/2011	CN202022875U Recrystalizing device used in production technology of cephalosporins
11/02/2011	CN202022874U Pressure filtration device used in production process of cephalosporins
11/02/2011	CN202022873U Decompressing and filtering device used in production process of cephalosporins
11/02/2011	CN202022872U Carbon removing device for cephalosporin
10/2011
10/26/2011	CN101643477B Synthesis method of cefradine
10/25/2011	US8044195 Cross-linked glycopeptide-cephalosporin antibiotics
10/20/2011	US20110257388 Cefdinir acid double salt and method for producing the same
10/19/2011	CN102219795A Method for preparing ceftezole sodium
10/19/2011	CN102219794A Preparation method of ceftizoxime sodium
10/13/2011	WO2011125967A1 Cephem compound having catechol group
10/13/2011	WO2011125966A1 Cephem compound having pseudo-catechol group
10/13/2011	CA2795322A1 Cephem compound having catechol group
10/12/2011	CN102212075A Preparation method for cefbuperazone
10/12/2011	CN102212074A Cefonicid sodium hydrate and preparation method and application thereof
10/12/2011	CN102212073A Cefonicid sodium hydrate and preparation method and application thereof
10/12/2011	CN102212072A Method for preparing 7-amido-3-vinylcephalosporanic acid
10/06/2011	WO2011121389A1 Process for preparation of cefepime dihydrochloride monohydrate
10/06/2011	US20110244486 Methods and compositions for the diagnosis and treatment of diabetes
10/05/2011	EP2370406A1 High penetration compositions and their applications
10/05/2011	CN101856356B Cefazedone sodium composition powder injection
10/05/2011	CN101759710B Cephalosporin derivatives containing substitutional nitrogen heterocycle
09/2011
09/28/2011	CN102203100A Cephalosporin having catechol group
09/28/2011	CN102199164A Method for preparing methoxy cephalosporin intermediate 7-MAC
09/28/2011	CN101698669B Synthesis method of 7-phenoxyacetamido-3-vinyl-4-para-methoxyphenyl cephalosporin
09/22/2011	WO2011113361A1 Ceftizoxime sodium crystalline hydrate, preparation methods and uses thereof
09/21/2011	CN201981143U 头孢噻肟钠生产设备系统 Cefotaxime sodium production equipment systems
09/21/2011	CN102190667A New method for purifying cefotiam hydrochloride
09/21/2011	CN101768169B Mother liquid recovery process for 7-aminocephalosporanic acid production
09/14/2011	CN102180892A Novel method for purifying cefmetazole sodium
09/14/2011	CN102180891A Cefmenoxime hydrochloride micro-powder and preparation method and device thereof
09/14/2011	CN102180890A Cefathiamidine hydrate and preparation method and application thereof
09/14/2011	CN102180889A Ceftizoxime sodium crystalline hydrate and preparation method and application thereof
09/14/2011	CN102180888A Preparation method for 7-amino-3-non-3-cephem-4-carboxylic acid(7-ANCA)
09/14/2011	CN101735250B Synthesis method of ceftezole sodium compound
09/14/2011	CN101613358B Preparation method of cephalothin acid
09/14/2011	CN101367737B Method for recycling N,N-dimethylaniline from waste liquor of 7-amino-cephalosporin alkyl acid production
09/07/2011	CN101787040B Method for preparing cefmetazole sodium
09/07/2011	CN101062931B Crystallization process of 7-amido cephalosporanic acid
09/01/2011	WO2011103686A1 CEPHALOSPORIN DERIVATIVES USEFUL AS β-LACTAMASE INHIBITORS AND COMPOSITIONS AND METHODS OF USE THEREOF
09/01/2011	CA2828114A1 Cephalosporin derivatives useful as .beta.-lactamase inhibitors and compositions and methods of use thereof
08/2011
08/31/2011	EP1489061B1 Process for producing cyclic compound
08/31/2011	CN102167705A Preparation method of cefmenoxime hydrochloride
08/31/2011	CN101418016B Phosphorylation cephalosporin derivates
08/31/2011	CN101362770B Cefpirome sulfate preparation technology
08/30/2011	US8008478 Process for the preparation of cefixime
08/24/2011	CN102161669A Method for removing impurity delta<2>-isomer from cefotetan disodium
08/17/2011	EP1666483B1 Process for producing 3-chloromethyl-3-cephem derivative
08/17/2011	CN1964981B Process for production of 3-alkenylcephem compounds
08/17/2011	CN102153567A Method for preparing cefoxitin acid
08/17/2011	CN102153566A Method for preparing cefdinir
08/10/2011	CN101735247B Process for drying 7-aminocephalosporanic acid
08/04/2011	WO2011093294A1 Process for preparation of cephalosporin derivative
08/04/2011	US20110190254 Cephalosporin having catechol group
08/03/2011	CN102140103A Method for preparing 7-amino-3-hydro cephalosporanic acid by taking penicillin G/K as raw material
07/2011
07/27/2011	CN102134252A Preparation method of high-purity cefuroxime acid
07/27/2011	CN102134251A Method for extracting cephalosporin C by using water soluble organic solvent/salt/water two-phase system
07/27/2011	CN102134250A Crystallization method of cefadroxil monohydrate and crystals
07/27/2011	CN101348492B Ceftizoxime sodium and preparation thereof
07/20/2011	CN102127095A Method for preparing cefmetazole sodium
07/20/2011	CN102127094A Cefteram pivoxil compound and novel preparation method thereof
07/20/2011	CN102127093A Refining process for Cefotiam hexetil hydrochloride
07/13/2011	CN1964982B 3-alkenylcephem compounds and process for production thereof
07/13/2011	CN101570544B Preparation method of 3-hydroxymethyl-7beta-phenylacetyl-3-cephalo-4-diphenylmethyl carboxylate
07/06/2011	EP2341053A1 Cephalosporin having catechol group
07/06/2011	CN101671348B Ceftizoxime sosium compound of new way
06/2011
06/30/2011	WO2011078819A1 Amine salts of cefdinir

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 76