| 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) |
|---|
| 05/14/2003 | EP1310502A1 Phosphonocephem compound |
| 05/07/2003 | CN1415615A New compound of natrium cefdinir |
| 05/07/2003 | CN1107679C Process for selective prepn. of Z-isomers of 3-(2-substituted vinyl) cephalsporins |
| 04/30/2003 | CN1107070C Process for preparation of antibiotic |
| 04/29/2003 | US6555680 Condensation of 3-(2-(furylcarbonyl)thiomethyl)-3-cephem-4-carboxylic acid with 5-phenyl-1,3,4-oxadiazole-2-thio-2-(2-aminothiazol-4-yl)-2 -methoxyimino)acetate to obtain the amine salt; treating the amine salt slurry with a sodium base |
| 04/29/2003 | US6555679 Method for preparation of ceftiofur sodium from its hydrohalide salts |
| 04/23/2003 | EP1303523A1 Process for the preparation of the highly pure crystalline (r, s) - cefuroxime axetil |
| 04/23/2003 | EP0937083B1 A crystalline substance of cefditoren pivoxil and the production of the same |
| 04/23/2003 | EP0844999B1 Purification process |
| 04/23/2003 | CN1106380C New synthetic catechol derivatives, method for production and use thereof |
| 04/22/2003 | US6552186 β-lactam production |
| 04/22/2003 | US6552185 Acidifying and/or contacting with carbon dioxide followed by adsorption chromatography |
| 04/17/2003 | WO2003031451A1 Method for crystallization of 7-aminocephalosporanic acid |
| 04/17/2003 | WO2003031450A1 A method for preparation of ceftiofur sodium |
| 04/17/2003 | WO2003031449A2 Cross-linked glycopeptide-cephalosporin antibiotics |
| 04/17/2003 | US20030073156 Enzymatically converting a 3-thiolated cephalosporin C compound to form a 3-thiolated -glutaryl-7-amino cephalosporanic acid compound; enzymatically converting to form 3-thiolated-7-amino cephalosporanic acid compound |
| 04/16/2003 | CN1410427A 7-amino-3-picolyl-3-cephalosporin-4-carboxylic acid dihydrochloride dihydrate crystal and its preparation method |
| 04/16/2003 | CN1105724C Chavulanic acid extracting process |
| 04/09/2003 | EP1300408A1 Antibacterial substituted 7-acylamino-3-(methylhydrazono)methyl-cephalosporins and intermediates |
| 04/09/2003 | EP1299397A1 Novel cephalosporin compounds and process for preparing the same |
| 04/09/2003 | EP1299396A1 Novel cephalosporin compounds and process for preparing the same |
| 04/09/2003 | EP1183262A4 Intermediates for and synthesis of 3-methylene cephams |
| 04/03/2003 | US20030065168 Dissolving and neutralizing halide salt of ceftiofur using silylating agent (hexamethyldisilazane) in an aprotic solvent and precipitating ceftiofur acid via quenching with water, then reacting with sodium lactate |
| 04/02/2003 | EP1220859A4 Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid |
| 04/02/2003 | CN1104436C Vinyl pyrrolidine cephalosporins with basic substituents |
| 03/27/2003 | WO2003024977A1 Process for the preparation of crystalline cefuromixe axetil |
| 03/26/2003 | EP1294730A2 Novel cephalosporin compounds and process for preparing the same |
| 03/19/2003 | EP1196420B1 A process for the synthesis of beta-lactam derivatives |
| 03/19/2003 | EP1178991B1 A process for the preparation of beta-lactam derivatives |
| 03/19/2003 | EP0865443B1 Process for the preparation of an antibiotic |
| 03/18/2003 | US6534494 Process for the preparation of cefuroxime axetil in an amorphous form |
| 03/13/2003 | WO2003020732A2 7-alkylidene-3-substituted-3-cephem-4-carboxylates as beta-lactamase inhibitors. |
| 03/13/2003 | CA2454413A1 7-alkylidene-3-substituted-3-cephem-4-carboxylates as beta-lactamase inhibitors |
| 03/12/2003 | EP1289998A1 New process for the preparation of vinyl-pyrrolidinone cephalosporine derivatives |
| 03/12/2003 | EP0819131B1 Purification process |
| 03/11/2003 | US6531465 Antibacterial cephalosporins |
| 03/05/2003 | EP1287003A1 Process for preparing a pure, pharmacopoeial grade amorphous form of cefuroxime axetil |
| 03/05/2003 | EP0920527A4 SYNTHESIS OF beta-LACTAM ANTIBACTERIALS USING SOLUBLE SIDE CHAIN ESTERS AND ENZYME ACYLASE |
| 02/26/2003 | EP1284730A1 Aralkyl ester soft drugs |
| 02/26/2003 | EP1228074A4 Method of preparing highly pure cefpodoxime proxetil |
| 02/26/2003 | EP0824535B1 Antibacterial cephalosporins |
| 02/20/2003 | WO2003014126A1 Process for the preparation of highly pure cefuroxime axetil |
| 02/20/2003 | WO2002070016A8 Catecholate beta-lactam conjugates, method for producing the same and the use thereof |
| 02/20/2003 | WO2002059272A3 Covalent chemical inducers of protein dimerization and their uses in high throughput binding screens |
| 02/20/2003 | US20030036650 For use in producing amino acid derivative antibiotics |
| 02/20/2003 | US20030036541 Alkylidene or dialkylidene cephalosporin-type derivatives |
| 02/13/2003 | WO2003011871A2 Intermediates in cephalosporin production |
| 02/13/2003 | CA2454078A1 Intermediates in cephalosporin production |
| 02/12/2003 | CN1101395C Process for recovery of cephalexin |
| 02/11/2003 | US6518420 From an alkaline, neutral or slightly acidic medium in the presence of an additive of organic carboxylic acid esters, polymeric glycols, polyacryls, amines and polyamines, melamin-formaldehyde resins or amino acids or esters |
| 02/11/2003 | US6518263 Imidazo[4,5-b]pyridiniummethyl-containing cephem compounds having broad antibacterial spectrum |
| 02/06/2003 | WO2003010170A1 An improved method for preparation of cefuroxime axetil |
| 02/06/2003 | WO2002085914A3 ENZYMATIC PROCESS FOR PREPARING CEPHALOSPORANIC ACID DERIVATIVES USING α-KETOACID DERIVATIVES |
| 02/05/2003 | EP1280808A1 Improved beta-lactam antibiotics |
| 02/05/2003 | CN1394863A Method for synthesizing cefotaxime sodium |
| 02/04/2003 | WO2002014333A1 Phosphonocephem compound |
| 01/29/2003 | EP1278754A1 Cephalosporin intermediates |
| 01/29/2003 | EP1087980B1 Derivatives of 3-(2-oxo- 1,3']bipyrrolidinyl-3-ylidenemethyl)-cephems |
| 01/29/2003 | EP0990656B1 Process for producing 3-alkenylcephem compounds |
| 01/22/2003 | CN1392149A Cephalo olefine onium salt compound and its preparing method, and method for synthesizing cephalo pyoxime with said compound |
| 01/16/2003 | WO2003004477A1 1,3,4-oxadiazol-2-yl thioesters and their use for acylating 7-aminocephalosporins |
| 01/15/2003 | EP1274695A1 New thiazol compounds and their preparations |
| 01/09/2003 | WO2002086143A3 Enzymatic process for preparing cephalosporin derivatives |
| 01/08/2003 | EP1273587A1 Process for the preparation of a 3-vinylcephem compound |
| 01/08/2003 | EP1272495A2 A process for the preparation of highly crystalline sodium cefoperazone |
| 01/08/2003 | EP0859768B1 Amine acid salt compounds and process for the production thereof |
| 01/08/2003 | CN1098268C Process for producing 3-norcephem compounds |
| 01/08/2003 | CN1098267C Process for producing 3-alkenylcephem compounds |
| 01/07/2003 | US6504026 Process for production of ceftiofur |
| 01/07/2003 | US6504025 In fewer steps and is obtained in higher yield; chemical intermediates; useful in treating methicillin resistent Staphylococcus aureus and Pseudomonas aeruginosa |
| 01/07/2003 | US6503727 Process for the preparation of an antibiotic |
| 01/02/2003 | US20030004336 Solvent extraction; antibiotic |
| 01/02/2003 | US20030003526 Compound for use in the measurement of gene expression |
| 01/02/2003 | EP1268488A1 A process for preparing cephalosporin derivatives using new thiazole compound |
| 01/01/2003 | CN1388120A Intermediate used as new industrial products in preparation of new cephalosporin containing sbstituted benzyloxy imino on 7-position |
| 12/26/2002 | US20020198375 Reacting 7-Amino-8-oxo-3-(tetrahydrofuran-2-yl)-5-thia-1-aza-bicyclo(4. 2. 0)octa-1(6),2,4-triene-2-carboxylic acid with amino- alpha -(methoxyimino)-4-thiazoleacetic acid anhydride |
| 12/25/2002 | CN1387533A Method for prepairng highly purity cefpodoxime proxetil |
| 12/18/2002 | CN1385434A Method for making cefathiamidine crystal |
| 12/12/2002 | WO2002098884A1 Crystalline acid salts of cefdinir and process for preparing cefdinir using same |
| 12/11/2002 | EP1263762A1 Anti-infective ectatm |
| 12/11/2002 | CN1095846C Production process of cophem compound |
| 12/05/2002 | WO2002096430A1 Cephalosporin derivatives as anti-cancer agents |
| 12/03/2002 | US6489470 A process for the production of a mixture of diastereoisomers of cefpodoxime proxetil by acylating a compound and activation then splitting off |
| 11/26/2002 | US6486149 Dissolving crystalline cefditoren pivoxil substance and the water-soluble high-molecular additive in an aqueous solution of an acid, then neutralizing the resultant solution, to co-precipitate product, and drying |
| 11/14/2002 | WO2002090364A1 Cephem compounds |
| 11/14/2002 | US20020168737 Compound for use in the treatment of cancer |
| 11/14/2002 | US20020168685 Covalent chemical inducers of protein dimerization and their uses in high throughput binding screens |
| 11/14/2002 | CA2446099A1 Cephem compounds |
| 11/07/2002 | WO2002088147A1 Sulfate of cephem compound |
| 11/07/2002 | CA2444897A1 Sulfate of cephem compound |
| 11/06/2002 | EP1253924A1 Nitrate salts of antimicrobial agents |
| 11/05/2002 | US6476220 Nucleophilic displacement of the acetoxy of 7-aminocephalosporanic acid by 2-thiofuroic acid in presence of boron trifluoride in a solvent or a mixture of solvents to prepare cephalosporin compound |
| 10/31/2002 | WO2002086143A2 Enzymatic process for preparing cephalosporin derivatives |
| 10/31/2002 | WO2002085914A2 ENZYMATIC PROCESS FOR PREPARING CEPHALOSPORANIC ACID DERIVATIVES USING α-KETOACID DERIVATIVES |
| 10/31/2002 | WO2002085913A1 Penicillin and cephalosporin compound |
| 10/30/2002 | EP1204667A4 An improved amorphous form of cefpodoxime proxetil |
| 10/30/2002 | EP1066294B1 Novel process for the fermentative production of cephalosporin |
| 10/30/2002 | CN1377359A Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid |
| 10/29/2002 | US6472205 Expression control sequences adapted for function in eukaryotic cell, operably linked to sequence coding cytosolic beta-lactamase; screening by contacting host cell with membrane permeable, fluorescent substrate of beta-lactamase |
| 10/24/2002 | WO2002083692A1 Process for the selective preparation of 3-(z) propenyl-cephem compound |