| 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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| 01/22/2014 | CN103524532A Ceftizoxime sodium compound crystal form, and preparing method and pharmaceutical preparation thereof |
| 01/09/2014 | US20140011994 Novel process for purifying cefotiam hydrochloride |
| 01/08/2014 | EP2681224A1 Degradation of penicillin compounds |
| 01/08/2014 | CN103497206A Synthesis method for cefaclor key intermediate |
| 01/08/2014 | CN103497205A New crystal form of cephalothin sodium and preparation method thereof |
| 01/08/2014 | CN103497204A Cefdinir compound, as well as dispersible tablets and preparation method thereof |
| 01/02/2014 | US20140005381 Novel process for refining cefmetazole sodium |
| 12/25/2013 | CN103467496A Preparing method of 7-((thiazolyl hydroxyl imino group) acetamido)-3-methyl cephalosporanic acid and another purpose |
| 12/25/2013 | CN103467495A Method for preparing cefixime compound |
| 12/25/2013 | CN103467494A Novel crystal form of cefdinir and preparation method thereof |
| 12/24/2013 | US8614315 Cefdinir and cefixime formulations and uses thereof |
| 12/18/2013 | CN103450225A Preparation method of cefoxitin sodium |
| 12/18/2013 | CN103450224A Preparation method of delta3 isomer of cefoselis |
| 12/18/2013 | CN103450223A Preparation method of descarbamoyl cefuroxime |
| 12/18/2013 | CN103450222A Method for synthesizing intermediate of cefcapene pivoxil, |
| 12/18/2013 | CN102267953B Intermediate compound for synthesizing Cefradine or Cefroxadine, and preparation method and application thereof |
| 12/11/2013 | CN103435632A Preparation method of cefuroxime axetil |
| 12/11/2013 | CN103193796B Cephamycin intermediate compound and preparation method thereof |
| 12/11/2013 | CN102372728B Synthesizing method for cephalosporin compound |
| 12/04/2013 | CN103429596A Degradation of penicillin compounds |
| 12/04/2013 | CN103421025A Method for preparing 7alpha-methoxyl cephalosporin C |
| 12/04/2013 | CN103421024A Method for preparing cephamycin C |
| 12/04/2013 | CN102875578B Method for synthesizing cefbuperazone sodium |
| 12/04/2013 | CN102796118B Cefodizime sodium compound solid, method for preparing same and pharmaceutical preparation of cefodizime sodium compound solid |
| 12/04/2013 | CN102268020B Ceftiofur acetoxy ethyl ester and preparation method thereof |
| 12/04/2013 | CN101772509B Process for the silylation of beta-lactam compounds |
| 11/27/2013 | CN102007132B 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, preparation and use thereof |
| 11/21/2013 | WO2013173519A1 Beta-lactamase substrates and methods of their use for the diagnosis of tuberculosis |
| 11/20/2013 | CN103396423A Preparation method of powdery disodium cefotetan |
| 11/20/2013 | CN103396422A Cephalosporin compound and preparation method thereof |
| 11/20/2013 | CN103044450B Ceftizoxime sodium compound and preparation method and drug composition of ceftizoxime sodium compound |
| 11/20/2013 | CN102993215B Preparation method of ceftriaxone sodium crystal and evaluation method of ceftriaxone sodium aqueous solution turbidity |
| 11/20/2013 | CN102180890B Cefathiamidine hydrate and preparation method and application thereof |
| 11/14/2013 | US20130303754 Refining process of cefamandole sodium |
| 11/13/2013 | CN103387584A Synthetic method of 7-amino-3-chloro-3-cephem-4-carboxylic acid |
| 11/06/2013 | CN103382209A Synthetic method of trihydrate |
| 11/06/2013 | CN102875573B Cefixime compound and pharmaceutical composition thereof |
| 11/06/2013 | CN102358744B Cefoxitin sodium crystal compound and cefoxitin sodium composition powder injection |
| 11/05/2013 | US8575144 Beta-lactamase inhibitory compounds |
| 10/30/2013 | CN103374019A Preparation method of cefuroxlme sodium |
| 10/30/2013 | CN103374018A Novel method for preparing ceftibuten parent nucleus 7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester (7-NACABH) |
| 10/24/2013 | WO2012134184A8 Novel cephalosporin derivatives and pharmaceutical compositions thereof |
| 10/23/2013 | CN103360412A Synthetic method of cefadroxil |
| 10/16/2013 | CN102351886B Cefteram pivoxil crystal and preparation method thereof and composition tablets containing crystal |
| 10/16/2013 | CN102344458B Cefprozil compound crystal and medicinal composition thereof |
| 10/16/2013 | CN102250125B Preparation method of cefotetan |
| 10/16/2013 | CN102250124B Synthesis method of cefbuperazone |
| 10/15/2013 | US8557978 Cross-linked glycopeptide-cephalosporin antibiotics |
| 10/09/2013 | CN103342708A Method for preparing propylene glycol cefatrizine 3-locus intermediate |
| 09/25/2013 | CN103319505A Method for crystallizing and producing cefpiramide sodium crystals |
| 09/25/2013 | CN103319504A Crystallization method for cefotaxime sodium |
| 09/25/2013 | CN103319503A Preparation method of cefdinir |
| 09/18/2013 | CN103304582A Cefoxitin sodium compound, preparation method and pharmaceutical composition thereof |
| 09/18/2013 | CN103304581A Cefminox sodium compound as well as preparation method and pharmaceutical composition of cefminox sodium compound |
| 09/18/2013 | CN103304580A Cefepime dihydrochloride compound as well as preparation method and medicine composition thereof |
| 09/18/2013 | CN102391289B Synthetic methods of ceftazidime intermediate and ceftazidime |
| 09/18/2013 | CN102391288B Preparation methods of cefpirome intermediate and cefpirome |
| 09/12/2013 | US20130236888 Enzyme substrate comprising a functional dye and associated technology and methods |
| 09/11/2013 | CN103288854A Cefazolin sodium pentahydrate compound and preparation method and medicine composition thereof |
| 09/11/2013 | CN103288853A Novel preparation technology of cefotiam hexetil hydrochloride |
| 09/11/2013 | CN102321721B Process for preparing 3-deacetylate-7-aminocephalosporanic acid |
| 09/04/2013 | CN103275104A Preparation method of ceftobiprole and ceftobiprole medocaril |
| 09/04/2013 | CN103275103A Method for preparing cefquinome sulfate |
| 09/04/2013 | CN103275102A Cefpodoxime proxetil compound as well as preparation method and medicinal composition thereof |
| 09/04/2013 | CN103275101A Preparation method of cefotaxime sodium crystal |
| 09/04/2013 | CN102731531B Cefmenoxime hydrochloride compound and synthesizing method thereof |
| 08/28/2013 | CN103265563A Novel crystal form of cefonicid sodium and preparation method thereof |
| 08/28/2013 | CN103265562A Preparation method of cefixime |
| 08/22/2013 | US20130217659 Process for the crystallisation of cefadroxil monohydrate |
| 08/15/2013 | US20130210705 Metallodrugs having improved pharmacological properties and methods of manufacture and use thereof |
| 08/14/2013 | CN103242346A Cefalonium preparation method |
| 08/14/2013 | CN102153567B Method for preparing cefoxitin acid |
| 08/14/2013 | CN101830916B Cefbuperazone sodium hydrate, preparation method thereof and application thereof |
| 08/08/2013 | WO2013114319A1 Process for the direct preparation of cefepime for injectable use |
| 08/07/2013 | CN103232477A Cefotiam hydrochloride compound, and preparation method and pharmaceutical composition thereof |
| 08/07/2013 | CN103232476A Antibacterial compound |
| 08/07/2013 | CN103230400A Drug composition of cefoperazone sodium and tazobactam sodium and preparation method thereof |
| 08/07/2013 | CN102276630B Cefminox sodium crystalline compound and composition powder injection thereof |
| 07/31/2013 | CN203095921U 7-aminocephalosporanic acid decolorization and purification device based on ultra-filtration membrane technology |
| 07/31/2013 | CN103224505A Preparation method of cefpirome sulfate |
| 07/31/2013 | CN103224504A Injection sodium cefonicid compound, preparation method and pharmaceutical composition |
| 07/31/2013 | CN101781318B Cephalosporin nucleus derivative compound, cephaene onium salt compound prepared from same, and method for preparing cefpiramide sulfate from cephalosporin nucleus derivative compound and cephaene onium salt compound |
| 07/25/2013 | WO2013109927A2 Metallodrugs having improved pharmacological properties and methods of manufacture and use thereof |
| 07/24/2013 | CN103214498A Penicillin fermentation broth treating technology |
| 07/24/2013 | CN102199164B Method for preparing methoxy cephalosporin intermediate 7-MAC |
| 07/17/2013 | EP2614066A1 Process for the production of cephalosporins |
| 07/17/2013 | CN102796119B Cefpirome sulfate compound and composition thereof |
| 07/17/2013 | CN102766148B Cefamandole nafate compound and composite thereof |
| 07/11/2013 | US20130178455 Novel cephalosporin derivatives and pharmaceutical compositions thereof |
| 07/10/2013 | CN103193800A Method for separating and purifying various components from cefaclor enzymatic reaction solution |
| 07/10/2013 | CN103193799A Chemical synthesis method of cefquinome sulphate |
| 07/10/2013 | CN103193798A Cefixime compound and pharmaceutical composition thereof |
| 07/10/2013 | CN103193797A Preparation method of 7-TMCA (7-amino-3-(1-methyl-1H-tetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid) hydrochloride |
| 07/10/2013 | CN103193796A Cephamycin intermediate compound and preparation method thereof |
| 07/10/2013 | CN102268019B Cefadroxil compound and preparation method thereof |
| 07/10/2013 | CN102234289B Novel method for preparing ceftiofur intermediate |
| 07/10/2013 | CN102167705B Preparation method of cefmenoxime hydrochloride |
| 07/10/2013 | CN101772505B Compositions comprising beta lactam compounds |
| 07/03/2013 | CN103183687A Phase transfer catalysis method for preparing cefdinir |
| 07/03/2013 | CN103183686A Preparation method of 7beta-amino-7lapha-methoxy-3-cephem compound |