| 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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| 07/27/2005 | EP1556389A1 Cephem compounds |
| 07/27/2005 | EP1556388A2 A method for manufacture of ceftiofur |
| 07/27/2005 | CN1644583A Cephe alkene onium salt compound and its preparation and use in preparation of cefepime |
| 07/27/2005 | CN1212327C Preparation of N-protected-3-pyrrolidine-lactam substituted phosphonium salts |
| 07/27/2005 | CN1212324C Method for preparing crystalline cefathiamidine and its usage |
| 07/20/2005 | EP1554289A1 A cefdinir intermediate |
| 07/20/2005 | EP1554288A1 Process for the preparation of (z)-isomer enriched 7-amino-3-propen-1-yl-3-cephem-4- carboxylic acid |
| 07/20/2005 | CN1640879A One-step method for preparing high-purity cefpoxime proxetil |
| 07/20/2005 | CN1640878A Method for preparing cefathiamidide |
| 07/19/2005 | US6919449 Process for the preparation of cephalosporin intermediate and its use for the manufacture of cephalosporin compounds |
| 07/14/2005 | WO2005063772A1 Process for production of intermediates for use in cefalosporin synthesis |
| 07/14/2005 | WO2005044824A3 Processes for the preparation of highly pure 3-(2-substituted vinyl) cephalosporin |
| 07/14/2005 | US20050153950 Broad -spectrum cephem compounds |
| 07/13/2005 | CN1639169A An improved synthesis of ceftiofur intermediate |
| 07/13/2005 | CN1637002A Cephalosporin ester compound resisting beta-lactamase and its salt |
| 07/13/2005 | CN1637001A Process of preparing amorphous cefuroxin axetil |
| 07/12/2005 | US6916801 Bactericides, antibiotic |
| 07/06/2005 | CN1634933A Process for preparing ceftriaxone sodium |
| 07/06/2005 | CN1634932A Process for preparing cefotaxime sodium |
| 07/06/2005 | CN1634931A Cefuroxime axetil diastereoisomer separating method |
| 07/06/2005 | CN1634930A Cephalosporins medicine intermediate crystal and method for preparing same |
| 07/06/2005 | CN1209364C Amine salt of cefathiamiding, its preparing method and application |
| 06/29/2005 | EP1546155A2 Intermediate cefdinir salts |
| 06/29/2005 | EP1546154A1 Process for the preparation of cefdinir |
| 06/29/2005 | EP1546096A1 Process for the preparation of amino-pyrrolidine derivatives |
| 06/23/2005 | US20050137182 Novel crystalline form of cefdinir |
| 06/22/2005 | EP1544197A1 Intermediates for cephem compounds |
| 06/21/2005 | US6908996 Compounds and method for preparing 3-methylcephams |
| 06/15/2005 | EP1228074B1 Method of preparing highly pure cefpodoxime proxetil |
| 06/15/2005 | EP1222194B1 7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof |
| 06/15/2005 | CN1628118A Process for prepn. of cefdinir |
| 06/15/2005 | CN1628108A Process for the preparation of 4-methyl-thiazole-5-carbaldehyde intermediate |
| 06/15/2005 | CN1626566A Process for the removal of porogens from temperature sensitive macroreticular polymers using steam at reduced pressure |
| 06/15/2005 | CN1206231C 7-acylamino-3-heteroarylthio-3-cephem carboxylic and prodrugs thereof |
| 06/14/2005 | US6906187 Manufacture of cefalosporins and intermediates |
| 06/14/2005 | US6906055 Bactericides; antibiotiucs; dissolving in water, crystallization; Ceftaroline fosamil acetate |
| 06/14/2005 | US6906054 Alkylidene or dialkylidene cephalosporin-type derivatives |
| 06/09/2005 | WO2005051959A1 Β-lactamase-resistant cephalosporin ester compounds and salts of thereof |
| 06/09/2005 | WO2004062558A3 Process for enzymatic synthesis of βετα-lactam antibiotics |
| 06/07/2005 | US6903211 Reacting a 3-cephem-4-protected carboxy derivative with acetaldehyde to produce an intermediate, deesterifying the carboxy protecting group using an acid, forming salt with a base, neutralizing, silylating, condensing with an anhydride |
| 06/02/2005 | WO2004098500A3 CARBACEPHEM ss-LACTAM ANTIBIOTICS |
| 06/02/2005 | US20050119478 Reacting a benzathenium salt with thiourea |
| 06/02/2005 | US20050119244 Process for preparing cephalosporins with salified intermediate |
| 06/02/2005 | US20050118669 Reporter genes; fluorescence activated cell sorting |
| 05/26/2005 | WO2005003367A3 Process for the preparation of cephradine |
| 05/26/2005 | US20050113570 Process for preparation of 7-[alpha-amino (4-hydroxyphenyl) acetamido]-3-substituted-3-cephem-4-carboxylic acid |
| 05/26/2005 | US20050113355 Suspending cefdinir in pyridine; salt formation |
| 05/26/2005 | CA2534342A1 Amino acid prodrugs |
| 05/25/2005 | CN1620460A 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 |
| 05/25/2005 | CN1203075C Prepn of cefotaxime |
| 05/24/2005 | US6897304 Cephem compounds and ESBL-detecting reagents containing the same |
| 05/19/2005 | WO2005044824A2 Processes for the preparation of highly pure 3-(2-substituted vinyl) cephalosporin |
| 05/19/2005 | US20050107581 Steam stripping beads under vacuum; divinyl benzene/ethyl vinyl benzene copolymers; dilution; for production of cephalosporin C and insulin |
| 05/18/2005 | EP1531168A1 Process for the removal of porogens from temperature sensitive macroreticular polymers using steam at reduced pressure |
| 05/18/2005 | CN1617875A Crystalline cefdinir potassium dihydrate |
| 05/17/2005 | US6894162 Intermediates in cephalosporin production |
| 05/17/2005 | CA2486752A1 Process for the removal of porogens from temperature sensitive macroreticular polymers using steam at reduced pressure |
| 05/12/2005 | WO2005042544A1 Processes for the preparation of cephalosporin derivatives |
| 05/12/2005 | WO2005042543A1 Processes for the preparation of cephem derivatives |
| 05/11/2005 | EP1529050A1 Cephalosporins |
| 05/11/2005 | CN1613860A Cephaene onium salt compound and its preparation, and synthesis of cephapyrazde sulfate therefrom |
| 05/11/2005 | CN1200941C Intermediates in cephalosporing production, intermediate and its use therein |
| 05/06/2005 | WO2005040175A2 Process for the preparation of cephem carboxylic acids |
| 05/06/2005 | WO2005020904A3 Oral neurotherapeutic cefazolin compositions |
| 05/05/2005 | US20050096306 Such as 7-[-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(1-carboxy-1-methylethoxyimino)acetamido]-3-[3-amino-4-(3-aminopropyl)-2-methyl-1-pyrazolio]methyl-3-cephem-4-carboxylate; antimicrobial agents; synthesis |
| 05/03/2005 | US6887992 Clathrate compound comprising p-methoxybenzyl ester of 7-phenylacetamide-3-formyl-3-cephem-4-carboxylic acid and dimethylformamide; intermediate or final product of pharmaceuticals such as cefixime, ceftibuten and cefdinir |
| 05/03/2005 | CA2158999C Crystalline benzathine salt of cefonicid and its preparation |
| 04/27/2005 | EP1463734B1 An improved synthesis of ceftiofur intermediate |
| 04/27/2005 | CN1198833C Vinyl pyrrolidone cephlosporins with basic substitutent group |
| 04/21/2005 | WO2005034957A1 Noncrystalline antibacterial composition containing cefditoren pivoxil |
| 04/21/2005 | WO2005003141B1 An improved process for the preparation of cefditoren |
| 04/20/2005 | CN1608070A Process for the stabilization of an acidic aqueous phase comprising cephradine |
| 04/19/2005 | CA2096709C Process for the cleavage of cephalosporin prodrug esters to 7-amino-3-methoxymethylceph-3-em-4-carboxylic acid |
| 04/14/2005 | US20050080255 Reacting cefdinir with potassium compound; salt formation; crystallization from solvent |
| 04/14/2005 | US20050080070 Process for the preparation of cephalosporin antibiotic |
| 04/13/2005 | EP1134222B1 IMIDAZO[4,5-b]PYRIDINIUMMETHYL-CONTAINING CEPHEM COMPOUNDS HAVING BROAD ANTIBACTERIAL SPECTRUM |
| 04/13/2005 | CN1606558A Novel cephalosporin compounds and process for preparing the same |
| 04/13/2005 | CN1606463A Methods of treating bacterial infections in dogs and cats |
| 04/13/2005 | CN1196686C Method for storing quaternary ammonium salt |
| 04/06/2005 | CN1603327A New process for the preparation of vinyl pyrrolidinone cephalosporine derivatives |
| 04/06/2005 | CN1603326A Cefathiamidine mixed salt and process for preparing same |
| 04/06/2005 | CN1195761C Cephalosporin Intermediates |
| 03/31/2005 | WO2005027909A1 Cephem compounds |
| 03/31/2005 | US20050070722 Chemical intermediate for cephalosporin bactericides |
| 03/31/2005 | US20050070705 Cyclization of the corresponding tertiary amide azetidine compound |
| 03/31/2005 | CA2536636A1 Cephem compounds |
| 03/30/2005 | EP1289998B1 New process for the preparation of vinyl-pyrrolidinone cephalosporine derivatives |
| 03/30/2005 | CN1600785A Method for preparing unformed cefuroxime axetil |
| 03/30/2005 | CN1194980C Phosphonocephem derivatives, process for preparation of same, and use thereof |
| 03/29/2005 | US6872836 Converting a protected 1,4- dihydroxy-2-amino or protected amino butane in presence of hydroxylamine or an acid additon salt into N-hydroxy-pyrrolidone derivative, reducting N-hydroxy group to secondary amine by hydrogenation |
| 03/24/2005 | WO2005026176A1 Process for producing 3-chloromethyl-3-cephem derivative |
| 03/23/2005 | CN1597684A Sodium ceftriaxone and its preparation method |
| 03/17/2005 | US20050059821 Method for manufacture of ceftriaxone sodium |
| 03/17/2005 | US20050059820 Method for manufacture of ceftriaxone sodium |
| 03/17/2005 | US20050059819 Cefdinir pyridine salt |
| 03/17/2005 | US20050059818 Crystal structure; suspension in ethanol, acetonitrile, formamide, triethylamine, toluene, ethyl acetate, tetrahydrofuran, methylene chloride, hexane, acetone, methyl ethyl ketone, dimethyl sulfoxide, pyridine, and/or nitromethane solvent |
| 03/16/2005 | CN1594324A Process for preparing cefpiramide sodium |
| 03/16/2005 | CN1594323A Amorphous cephalosporin |
| 03/16/2005 | CN1594322A Cefixime sodium pharmaceutical composition and its preparation and application |
| 03/16/2005 | CN1594321A Process for preparing cephazoline three-position intermediate |