| 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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| 09/19/2007 | CN100338050C Amine acid salt compounds and process for the production thereof |
| 09/13/2007 | US20070213313 Direct process for the production of an amino acid dihydrochloride |
| 09/12/2007 | EP1832593A1 Direct process for the production of sterile Cefepime dihydrochloride monohydrate |
| 09/12/2007 | CN101033234A Direct process for the production of the dihydrochloride of an amino acid |
| 09/09/2007 | CA2556659A1 Direct process for the production of the dihydrochloride of an amino acid |
| 09/06/2007 | US20070208173 Crystalline hydrates of cefdinir calcium salt |
| 09/06/2007 | US20070208172 Process for Preparing Cephalosporin Intermediates Using Alpha-Iodo-1-Azetidineacetic Acid Esters and Trialkylphosphites |
| 09/06/2007 | US20070207519 Cephalosporin C Acylase Mutant and Method for Preparing 7-ACA Using Same |
| 09/05/2007 | EP1828206A1 Process for the preparation of cefixime |
| 09/05/2007 | CN101031574A New diamine salt of cephalosporins and its preparation |
| 09/05/2007 | CN100335485C One-step preparation process of aseptic ceftriaxone sodium for injection |
| 09/04/2007 | US7264943 Preparing penicillin amidase coated beads comprised of cephalexin via inverse bead polymerization; contacting 7-aminodeacetoxycephalosporanic acid,D-phenylglycinamide and penicillin amidase in aqueous solution |
| 08/30/2007 | WO2007096740A2 Novel cephalosporins |
| 08/30/2007 | WO2007096419A1 Improved cephalosporin production |
| 08/29/2007 | CN101024649A Method for preparing oral non-ester-type autibiotic cetprozil |
| 08/28/2007 | US7262307 Chemical intermediate for cephalosporin bactericides |
| 08/28/2007 | CA2247232C Antimicrobial composition |
| 08/16/2007 | US20070191602 Crystalline form of cefdinir cesium salt |
| 08/16/2007 | US20070191601 Process for production of intermediates for use in cefalosporin synthesis |
| 08/16/2007 | US20070191331 Crystalline forms of cefdinir potassium salt |
| 08/15/2007 | CN101016305A Method of synthesizing cefixime |
| 08/15/2007 | CN101016304A Method of synthesizing cefixime intermediate GVNE |
| 08/09/2007 | US20070184513 Substrates for beta-lactamase and uses thereof |
| 08/08/2007 | CN101012235A Amino butanetriol salt of cephalosporin compounds and preparing method |
| 08/01/2007 | EP1812449A1 Crystalline from of cefdinir ammonium salt as an intermediated for the preparation of pure cefdinir |
| 08/01/2007 | CN1329397C Cross-linked glycopeptide-cephalosporin antibiotics |
| 08/01/2007 | CN101007813A Cefepime halogen acid salt preparation method |
| 08/01/2007 | CN101007812A Antibacterial drugs cefoxitin preparation process |
| 08/01/2007 | CN101007811A Organic amine salt of cephalosporin compound and its preparation method |
| 07/31/2007 | US7250508 Cefdinir intermediate |
| 07/31/2007 | CA2292618C Improved precipitation process of 7-aminocephalosporanic acid (7-aca) |
| 07/31/2007 | CA2162530C Novel crystalline cephem acid addition salts and processes for their preparation |
| 07/25/2007 | EP1809638A1 A novel process for preparation of cefprozil intermediate |
| 07/25/2007 | EP1556389B1 Cephem compounds |
| 07/25/2007 | CN1328281C Ceftazidime pentahydrate purifying method |
| 07/18/2007 | CN1326860C Cefradine crystal and method for preparing cefradine |
| 07/17/2007 | US7244842 Preparation of cefdinir by amidating a 7-amino-3-cephem-4-carboxylic acid with a 1,3,4-oxadiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(trityloxyimino)acetyl compound in the presence of a tert. amine and a solvent, forming a salt with a base, and hydrolyzing the product; a salt of trityl-substituted cefdnir |
| 07/17/2007 | CA2284501C Antibacterial substituted 7-acylamino-3-(methylhydrazono) methyl-cephalosporins and intermediates |
| 07/11/2007 | CN1997652A Stable amorphous cefdinir |
| 07/10/2007 | CA2121324C Cephalosporin derivatives |
| 07/05/2007 | WO2006053625A8 Crystalline form of cefdinir ammonium salt as an intermediate for the preparation of pure cefdinir |
| 07/04/2007 | EP0989132B1 Process for producing halogenated beta-lactam compound |
| 06/20/2007 | CN1982315A Synthesis of cefaclor |
| 06/14/2007 | US20070135505 Aralkyl ester soft drugs |
| 06/14/2007 | US20070134729 Novel antibacterial agents |
| 06/14/2007 | CA2783572A1 Useful combinations of monobactam antibiotics with beta-lactamase inhibitors |
| 06/13/2007 | EP1678187A4 Processes for the preparation of cephalosporin derivatives |
| 06/13/2007 | CN1321109C Cephaene onium salt compound and its preparation, and synthesis of cephapyrazde sulfate therefrom |
| 06/12/2007 | US7230097 I.e., Cefprozil, by condensing a mixed acid anhydride of alpha -amino-p-hydroxy phenylacetic acid with a protected, especially disilylated, 7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid followed by hydrolysis, isolation and purification |
| 05/31/2007 | WO2007013043A3 Processes for the preparation of 7-amino-3-vinyl cephalosporanic acid |
| 05/30/2007 | CN1970561A Cefoperazone sodium novel crystal form and its preparation method |
| 05/24/2007 | WO2007056918A1 Sodium cefazolin pentahydrate crystal and its assembly preparation method |
| 05/22/2007 | CA2436863C Process and ester derivatives useful for preparation of cephalosporins |
| 05/22/2007 | CA2292557C Process for preparing halogenated .beta.-lactam compounds |
| 05/22/2007 | CA2276694C New fatty acid derivatives |
| 05/18/2007 | WO2007054777A1 Depletion of isomer in cephalosporin antibiotic |
| 05/17/2007 | US20070111980 Process for preparing pure cephalosporine intermediates |
| 05/16/2007 | CN1964982A 3-alkenylcephem compounds and process for production thereof |
| 05/16/2007 | CN1964981A Process for production of 3-alkenylcephem compounds |
| 05/16/2007 | CN1962666A Cepham antibiotics and its intermediate preparation method |
| 05/16/2007 | CN1315846C Crystalline hydrochloride of 7-(((5-amino-1, 2, 4-thiadiazol-3-yl)(fluoromethoxyimino) acetyl) amino) -3- ((imino-1-piperazinylmethyl)methylhydrazono)-methyl-3-cephem-4-carboxylic acid |
| 05/16/2007 | CN1315845C Methylene containing aminobeterocycle substitutional cephalosporin of amidinothioacetamide, preparation method and application |
| 05/16/2007 | CN1315844C Derivant of gamma carbon alkenyl cephalosporin, preparing method and application |
| 05/16/2007 | CN1315843C Derivant of Deacetoxy cephalosporanicacid, preparation and application |
| 05/16/2007 | CN1315842C Derivant of cephalosporin of amidinothioacetamide, preparation method and application |
| 05/16/2007 | CN1315841C An improved process for the preparation of chloro methyl cephem derivatives |
| 05/10/2007 | WO2007053724A2 Crystalline forms of cefdinir potassium salt |
| 05/10/2007 | WO2007051355A1 The use of recombinant d-amino acid oxidase |
| 05/10/2007 | US20070106073 Novel crystal of 7-[2-[(2-aminothiazol-4-yl)-2-hydroxyiminoacetamide-3-vinyl-3-cephem-4-carboxylic acid (syn isomer) and method for preparation thereof |
| 05/10/2007 | US20070105830 reacting pyrrolidinium-1-[(7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-yl)methyl]-iodide monohydrate with 4-chloro -2-methoxyimino-3-oxo-butyryl chloride; cyclization |
| 05/09/2007 | CN1958592A Compound of onium salt in Cephalosprins, preparation method, and method for synthesizing vitriolic cefpyrazole from the compound |
| 05/09/2007 | CN1958591A Method for preparing intermediate in cephalosporins, and method for preparing ceftizoxime alapivoxil |
| 05/09/2007 | CN1314692C Sodium ceftriaxone and its preparation method |
| 05/09/2007 | CN1314690C Coupling process for preparing intermediate of semi-synthetic cephalosporin antibiotics from penicillin fermentation liquid |
| 05/03/2007 | WO2007008673A3 Crystalline anhydrous cefdinir and crystalline cefdinir hydrates |
| 05/03/2007 | US20070099890 Novel cephalosporin derivatives, its pharmaceutically acceptable salts and manufacturing process thereof |
| 04/26/2007 | US20070093657 Purification of beta-lactam products |
| 04/26/2007 | US20070093465 Cephem compound |
| 04/26/2007 | US20070093464 chemical intermediates for making an oral antibiotics Sulbactam |
| 04/25/2007 | EP1777228A1 Purification of béta-lactam products |
| 04/25/2007 | EP1678186A4 Processes for the preparation of cephem derivatives |
| 04/25/2007 | CN1951942A Purification of bööta-lactam products |
| 04/25/2007 | CN1312158C Method for preparing cefixime |
| 04/25/2007 | CN1312086C Process for producing cyclic compound |
| 04/19/2007 | WO2007042917A1 Crystalline sodium salt of cephalosporin antibiotic |
| 04/18/2007 | EP1773845A1 Process for preparing pure cephalosporine intermediates |
| 04/18/2007 | CN1310923C An improved synthesis of ceftiofur intermediate |
| 04/17/2007 | CA2124322C Process for the purification of a 3-cephem-4-carboxylic acid derivative |
| 04/12/2007 | US20070083042 Processes for the preparation of cephalosporin derivatives |
| 04/11/2007 | EP1771456A2 Hybrid qa molecules wherein q is an aminoquinoline and a is an antibiotic residue, their synthesis and their uses as antibacterial agent |
| 04/11/2007 | CN1309713C A process for the preparation of cephalosporins side chains |
| 04/05/2007 | WO2006109324A3 Processes for preparation of amorphous cefepime acid addition salts |
| 03/29/2007 | US20070072945 Sulphur-containing oils for controlling plant pathogens and stimulating nutrient uptake |
| 03/28/2007 | EP1765833A2 News salts in the preparation of cephalosporin antibiotics |
| 03/22/2007 | WO2006075244A3 Improved process for the preparation of cephalosporin antibiotic intermediate |
| 03/21/2007 | EP1133298B1 Compositions comprising cefuroxime axetil |
| 03/21/2007 | CN1934118A Trihemihydrate, anhydrate and hydrate forms of cefdinir |
| 03/21/2007 | CN1931861A Process for producing the cefepime dihydrochloride monohydrate |
| 03/21/2007 | CN1305877C Process for preparing cefpiramide sodium |
| 03/21/2007 | CN1305876C One-step method for preparing high-purity cefpoxime proxetil |