| 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) |
|---|
| 09/21/2006 | US20060211676 trihemihydrate crystal form of 7-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamide]-3-vinyl-3-cephem-4-carboxylic acid (cefdinir); powder diffraction pattern having 2 theta values of about 5.9 degrees , 8.1 degrees , 11.8 degrees , 15.7 degrees , 16.2 degrees , 22.6 degrees and 23.1 degrees; bactericide |
| 09/20/2006 | EP1702921A1 Beta-lactamase-resistant cephalosporin ester compounds and salts of thereof |
| 09/19/2006 | US7109190 Carbacephem β-lactam antibiotics |
| 09/13/2006 | EP1699804A1 Process for production of intermediates for use in cefalosporin synthesis |
| 09/13/2006 | EP1562957B1 Process for the preparation of 3-propenyl cephalosporin dmf solvate |
| 09/13/2006 | EP1430060B1 7-alkylidene-3-substituted-3-cephem-4-carboxylates as beta-lactamase inhibitors. |
| 09/13/2006 | CN1830982A Method for recovery of cefaclor |
| 09/12/2006 | US7105659 condensing (Z)-2-(2-amino-4-thiazolyl)-2-acetyloxyiminoacetic acid with bis(benzothiazol-2-yl)disulphide in the presence of triphenylphosphine, then reacting the intermediate formed with 3-ethenyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| 09/06/2006 | EP1546096B1 Process for the preparation of amino-pyrrolidine derivatives |
| 08/29/2006 | US7098329 Process for the preparation of a cephalosporin antibiotic |
| 08/24/2006 | WO2005100368A3 Stable amorphous cefdinir |
| 08/24/2006 | US20060189802 Reacting 7-aminodesacetoxy cephalosporanic acid (7-ADCA) with D-dihydrophenylglycine in activated form (DHa) in the presence of acylase |
| 08/24/2006 | US20060189517 Cross-linked glycopeptide-cephalosporin antibiotics |
| 08/17/2006 | WO2006085978A2 Conjugates of a cephalosporin derivative and a fluorophor precursor and related compounds as substrates for beta-lactamase gene expression |
| 08/16/2006 | EP1689755A2 Processes for the preparation of highly pure 3-(2-substituted vinyl) cephalosporin |
| 08/16/2006 | CN1269776C Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt |
| 08/10/2006 | WO2006018807A8 Crystalline forms of cefdinir |
| 08/10/2006 | US20060178357 Chphalosporin-derived mercaptans as inhibitors of serine and metallo-beta-lactamases |
| 08/03/2006 | WO2006080484A1 Cefcapene pivoxil methanesulfonate |
| 08/03/2006 | US20060173176 Process for the preparation of (z)-isomer enriched 7-amino-3-propen-1-yl-3-cephem-4-carboxylic acid |
| 08/03/2006 | US20060173175 Reacting -Methoxybenzyl 7-phenylacetamido-3-chloromethy-3-cephem-4-carboxylate with triphenylphosphine, reacting with 4-methyl-5-formyl-thiazole; deesterification; salt formation; enzymatic hydroxlysis; reacting with 2-(2-aminothiazol-4-yl)-2-syn-methoximino acetic acid and 2-mercaptobenzothiazole |
| 08/02/2006 | CN1813069A Process for the preparation of cephradine |
| 08/02/2006 | CN1267436C Process for synthesizing cefpirome sulfate |
| 07/27/2006 | US20060167242 Cephalosporin in crystalline form |
| 07/19/2006 | CN1803803A Process for preparing ceftezode three-position intermediate |
| 07/12/2006 | EP1678187A1 Processes for the preparation of cephalosporin derivatives |
| 07/12/2006 | EP1678186A1 Processes for the preparation of cephem derivatives |
| 07/06/2006 | US20060149096 mixing an acylating agent and a base with a mixture of solvents, then cooling the solution and adding a Dane salt of an alpha-amino-p-hydroxyphenylacetic acid to the solution and agitating, to form mixed anhydrides used as chemical intermediates for the preparation of Cefprozil |
| 07/06/2006 | US20060149056 Stable bioavailable crystalline form of cefdinir and a process for the preparation thereof |
| 07/06/2006 | US20060149055 Process for the manufacture of cefpodoxime proxetil |
| 07/06/2006 | US20060149054 Method for manufacture of ceftiofur |
| 07/05/2006 | EP1546155B1 Intermediate cefdinir salts |
| 07/04/2006 | US7071329 Reacting a benzathenium salt with thiourea |
| 06/29/2006 | WO2006067806A1 Process for the preparation of cefixime |
| 06/29/2006 | WO2006067803A1 A novel intermediate for the preparation of cefepime |
| 06/29/2006 | US20060142563 Crystalline anhydrous cefdinir and crystalline cefdinir hydrates |
| 06/29/2006 | US20060142261 Crystalline anhydrous cefdinir and crystalline cefdinir hydrates |
| 06/28/2006 | CN1795197A Cephem compound |
| 06/28/2006 | CN1793147A Pentahydro cephalontzoline sodium crystal structure and process for assembly preparing crystal molecule |
| 06/28/2006 | CN1261439C Cefixime sodium pharmaceutical composition and its preparation and application |
| 06/28/2006 | CN1261438C 7-amino-3-picolyl-3-cephalosporin-4-carboxylic acid dihydrochloride dihydrate crystal and its preparation method |
| 06/27/2006 | US7067482 Cross-linked glycopeptide-cephalosporin antibiotics |
| 06/22/2006 | WO2006024741A3 Hybrid qa molecules wherein q is an aminoquinoline and a is an antibiotic residue, their synthesis and their uses as antibacterial agent |
| 06/22/2006 | US20060135761 Novel intermediates for synthesis of cephalosporins and process for preparation of such intermediates |
| 06/22/2006 | US20060135500 Novel oral pharmaceutical suspension of cefdinir crystal |
| 06/21/2006 | EP1671966A1 Cephem compounds and pharmaceutical compositions containing the same |
| 06/21/2006 | EP1671635A1 Noncrystalline antibacterial composition containing cefditoren pivoxil |
| 06/21/2006 | CN1789268A Amorphous cefonicid sodium and preparation method thereof |
| 06/20/2006 | US7064199 Process for the manufacture of 3-amino-pyrrolidine derivatives |
| 06/20/2006 | US7064198 For treating human/animal gram-positive/negative bacteria infections |
| 06/15/2006 | US20060127972 In vivo production of cephalosporins |
| 06/14/2006 | EP1669351A2 Method for preserving quaternary ammonium salt |
| 06/08/2006 | WO2006059753A1 Novel oral pharmaceutical suspension of cefdinir crystal |
| 06/08/2006 | US20060122165 Crystalline cefdinir |
| 06/08/2006 | US20060122164 Carboxylic acid esters of pharmaceutical compounds |
| 06/07/2006 | EP1666483A1 Process for producing 3-chloromethyl-3-cephem derivative |
| 06/07/2006 | EP1663245A1 Cephem compounds |
| 06/07/2006 | CN1781916A Cross-linked glycopeptide-cephalosporin antibiotics |
| 05/31/2006 | EP1660506A2 Oral neurotherapeutic cefazolin compositions |
| 05/31/2006 | EP1660505A2 Process for selective preparation of z-isomer of cefditoren and pharmaceutically acceptable salts and esters thereof |
| 05/26/2006 | WO2006053625A1 Crystalline form of cefdinir ammonium salt as an intermediate for the preparation of pure cefdinir |
| 05/26/2006 | CA2588268A1 Crystalline from of cefdinir ammonium salt as an intermediated for the preparation of pure cefdinir |
| 05/25/2006 | US20060111566 7-[2-(aminothiazol-4-yl)-2-(trityloxyimino)-acetamido]-3-vinyl-3-cephem-4-carboxylic acid dicyclohexylamine salt;cephalosporins; broad antibacterial spectrum especially against staphylococci and streptococci |
| 05/24/2006 | EP1658296A1 Cephem compound |
| 05/24/2006 | EP1529050B1 Cephalosporins |
| 05/24/2006 | CN1775784A Ceftazidime pentahydrate purifying method |
| 05/23/2006 | US7049326 Altering a drug's distribution, metabolism and elimination properties, especially by modifying with aralkyl ester moieties to increase rate of metabolism to inactive and nontoxic metabolites when exposure is halted; surgery, riots |
| 05/23/2006 | CA2318366C Process for the preparation of .alpha.-oxolactams |
| 05/17/2006 | CN1774441A Novel crystal of 7- 2-(2-aminothiazole-4-yl)-2-hydroxyiminoa cetamido-3-vinyl-3-cephem-4-carboxylic acid (syn isomer) and method for preparation thereof |
| 05/17/2006 | CN1772754A Synthesis process of cefpirome and its analog |
| 05/16/2006 | US7045618 Cefpodixime proxetil |
| 05/11/2006 | US20060100424 Process for producing Cefepime and cephalosporin analogues |
| 05/04/2006 | US20060094872 Process for the preparation of cephalosporin antibiotic |
| 05/04/2006 | US20060094703 Novel amorphous hydrate of a cephalosporin antibiotic |
| 05/03/2006 | CN1765902A One-step preparation process of aseptic ceftriaxone sodium for injection |
| 05/03/2006 | CN1765901A One-step preparation process of aseptic cefotaxime sodium for injection |
| 04/26/2006 | CN1763046A Cephalosporin analog antibiotic preparation method |
| 04/26/2006 | CN1763045A 7-phenylacetylamino-3-pyridinylmethyl-3-cephalosporin-4-carboxyl acid p-methoxybenzyl ester crystal and its preparation method |
| 04/19/2006 | EP1253924B1 Nitrate salts of antimicrobial agents |
| 04/13/2006 | WO2002060866A3 Preparation of pure 3-alkoxymethyl cephalosporins. |
| 04/12/2006 | EP1644382A2 Cross-linked glycopeptide-cephalosporin antibiotics |
| 04/12/2006 | EP1005356B1 Novel antibacterial agents |
| 04/06/2006 | WO2006035291A1 Crystalline forms of cefdinir potassium |
| 04/06/2006 | US20060074236 Crystalline cefdinir salts |
| 04/06/2006 | US20060074065 compounds enhance the activity of beta-lactam antibiotics; use to treat antibiotic resistance bacterial infections like otitis, sinusitis, meningitis etc. especially associated with Enterobacter, Citrobacter, and Serratia; Diphenylmethyl 7-phenylacetamido-3-(trifluorosulfonyloxy)-3-cephem-4-carboxylate |
| 04/05/2006 | EP1641933A2 Process for the preparation of cephradine |
| 04/04/2006 | US7022691 Penicillinate compounds; bactericides for use against antibiotic resistant bacteria |
| 03/30/2006 | US20060069079 Stable amorphous cefdinir |
| 03/29/2006 | CN1247596C Cynnematin having chelated crystalline hydrate and its preparation method |
| 03/22/2006 | EP1173444B1 Crystalline beta-lactam intermediate |
| 03/22/2006 | CN1751051A Cephalosporin in crystalline form |
| 03/16/2006 | US20060058281 preparation of Ceftiofar sodium; high yield and purity |
| 03/09/2006 | WO2006024741A2 Hybrid qa molecules wherein q is an aminoquinoline and a is an antibiotic residue, their synthesis and their uses as antibacterial agent |
| 03/09/2006 | CA2572442A1 Hybrid qa molecules wherein q is an aminoquinoline and a is an antibiotic residue, their synthesis and their uses as antibacterial agent |
| 03/08/2006 | EP1339723B1 Process and ester derivatives useful for preparation of cephalosporins |
| 03/08/2006 | CN1745086A Carboxylic acid esters of pharmaceutical compounds |
| 03/01/2006 | EP1343790B1 Cephalosporin production |
| 03/01/2006 | CN1740178A Prepn process of 7-phenylacetamino-3-pyridyl methyl-cephalosporin-4-p-methoxybenzyl carboxylate |
| 03/01/2006 | CN1243756C Process and ester derivatives for preparing cephalosporins |
| 03/01/2006 | CN1243755C Coupling process and intermediates useful for preparing cephalosphorins |