| 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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| 02/08/2001 | WO2001009135A1 Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalates |
| 02/08/2001 | WO2000068234A3 Process for the preparation of cefpodoxime acid |
| 02/07/2001 | EP1074554A2 7-acyl-3-(substituted carbamoyloxy) cephem compounds, use thereof and process for their preparation |
| 02/07/2001 | EP1074553A1 7-Acyl-3-(substituted carbamoyloxy) cephem compounds, use thereof and process for their preparation |
| 02/07/2001 | EP1073663A1 Preparation of beta-lactam antibiotics in the presence of urea or amide |
| 02/01/2001 | WO2001007443A1 A process for the synthesis of beta-lactam derivatives |
| 02/01/2001 | CA2380183A1 A process for the synthesis of beta-lactam derivatives |
| 01/31/2001 | EP1072267A1 Antibacterial agents |
| 01/31/2001 | CN1282335A Phosphonocephem derivatives, process for preparation of the same, and use thereof |
| 01/30/2001 | US6180361 Recombinant DNA expression vectors and DNA compounds that encode deacetoxycephalosporin C synthetase and deacetylcephalosporin C synthetase |
| 01/30/2001 | CA2030361C 3-fluorosulfonyloxyceph-3-em displacement process |
| 01/24/2001 | CN1280982A Preparation method of penicillin and cephalosporin |
| 01/24/2001 | CN1061046C Process for preparing cephalosporins derivants |
| 01/24/2001 | CN1061045C Process for preparation of new cephalosporins containing in position 7 substituted benzyloxyimino radical |
| 01/18/2001 | WO2001004127A1 Vinylpyrrolidinone derivatives with substituted thiazole ring |
| 01/18/2001 | WO2001004126A1 Process for preparing crystalline cefadroxil hemihydrate from cefadroxil dimethylformamide solvate |
| 01/18/2001 | WO1999064049A9 Novel antibacterial agents |
| 01/17/2001 | EP1068211A2 Process for purification of a cephalosporin derivative |
| 01/17/2001 | CN1060778C Cephalosporin derivatives |
| 01/10/2001 | EP1067131A1 New process for the manufacture of cephalosporin derivatives |
| 01/10/2001 | EP1066294A1 Novel process for the fermentative production of cephalosporin |
| 01/10/2001 | CN1279685A Process for recovery of beta-lactam antibiotic |
| 01/10/2001 | CN1279684A Process for recovery of beta-lactam antibiotic |
| 01/09/2001 | US6172221 Clavulanic acid extraction process |
| 01/05/2001 | CA2313379A1 Process for the manufacture of cephalosporin derivatives |
| 01/03/2001 | CN1060175C Method for prepn. of 3-formyl-cephem derivatives |
| 01/02/2001 | US6169180 Process for the production of cephalosporines |
| 12/28/2000 | DE19911680A1 New extracts and compounds from Ganoderma pfeifferi , useful e.g. as antibacterial and antiviral agents, preservatives, cosmetic, pharmaceutical and food additives and in fish farming, are protease inhibitors |
| 12/20/2000 | EP1061082A1 Process for the preparation of beta-hydroxy esters |
| 12/19/2000 | CA2001225C Antimicrobial lactam-quinolones |
| 12/13/2000 | CN1059438C Stable crystallized cis-isomer of methoxyimino-acetylchloride hydrochloride and process for preparing same |
| 12/12/2000 | US6159985 Imidazo-isoquinoline compounds, their compositions and uses |
| 12/12/2000 | US6159961 Cephem compounds |
| 12/12/2000 | US6159706 Application of enzyme prodrugs as anti-infective agents |
| 12/05/2000 | US6156889 Reagent useful for cleaving a protected functional group |
| 12/05/2000 | US6156534 Producing antibiotic cefprozil, cefadroxil or amoxicillin by reacting penicillin or cephalosporin derivitive with 4-hydroxy-d-phenylglycyl ester in presence of penicillin g amidase |
| 11/30/2000 | WO2000071547A1 A PROCESS FOR THE PREPARATION OF β-LACTAM DERIVATIVES |
| 11/30/2000 | CA2374686A1 A process for the preparation of .beta.-lactam derivatives |
| 11/29/2000 | EP1054891A1 Prodrugs |
| 11/21/2000 | US6150519 Multistage process with basification and ion exchanging then isolation an allene compound |
| 11/21/2000 | US6150351 Cephem compounds and pharmaceutical use thereof |
| 11/21/2000 | US6150350 Carbapenem antibiotic and beta-lactamase inhibitor, useful for the treatment and prophylaxis of infectious diseases |
| 11/21/2000 | CA2016513C Process for 3-exomethylenecepham sulfoxide esters |
| 11/16/2000 | WO2000068234A2 Process for the preparation of cefpodoxime acid |
| 11/15/2000 | EP1051978A1 Crystallographically stable amorphous cephalosporin compositions and process for producing the same |
| 11/15/2000 | CN1273587A Process for preparation of 3-cephem compounds |
| 11/15/2000 | CN1058496C Process for isolating or purifying cefonicid and process for preparing salts thereof |
| 11/09/2000 | WO2000066594A1 Crystalline beta-lactam intermediate |
| 11/02/2000 | EP1047785A1 Modified deacetoxycephalosporin c synthase (daocs) and x-ray structure |
| 10/31/2000 | CA2149514C Novel cephem derivatives |
| 10/26/2000 | WO2000063214A1 Beta-lactam production |
| 10/26/2000 | WO2000063213A1 Beta-lactamase inhibiting compounds |
| 10/26/2000 | CA2371389A1 Beta-lactamase inhibiting 7-alkyldiene cephalosporanic acid derivatives |
| 10/25/2000 | EP1045852A1 Process for the preparation of cefpodoxim proxetil diastereoisomers |
| 10/24/2000 | US6136967 Process for the purification of a 3-cephem-4-carboxylic acid derivative |
| 10/18/2000 | EP1044205A1 Chemical acetylation of desacetyl-cephalosporins |
| 10/18/2000 | EP1044204A1 Process for the preparation of alpha-oxolactams |
| 10/18/2000 | CN1270594A Process for producing 3-cephem compounds |
| 10/17/2000 | CA2001205C Antimicrobial quinolonyl lactams |
| 10/11/2000 | EP1043327A1 Phosphonocephem derivatives, process for the preparation of the same, and use thereof |
| 10/11/2000 | EP1041983A1 Application of enzyme prodrugs as anti-infective agents |
| 09/27/2000 | CN1056847C 7-acyl-3-(substd. carbamoyloxy) cephem compounds and their preparation process |
| 09/26/2000 | CA2268710C Improved enzymatic oxidation of ceph c to glutaryl-7-amino cephalosporanic acid |
| 09/19/2000 | US6121255 7-(phloroglucidamido)cephalosporins or cephalosporin 3'-phloroglucide ester antibiotics |
| 09/14/2000 | WO2000053609A1 Process for the preparation of cefuroxime |
| 09/14/2000 | WO2000053544A1 Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt |
| 09/14/2000 | WO2000053207A1 Biologically active compounds of $i(ganoderma pfeifferi) dms 13239 |
| 09/13/2000 | CN1056371C Protected aminothiazolylacetic acid derivatives |
| 09/06/2000 | CN1265662A Process for selective preparation of z-isomers of 3-(2-substituted vinyl) cephalsporins |
| 09/05/2000 | US6114541 Method for the preparation of α-Bromo-Lactam derivatives |
| 08/23/2000 | EP1029864A1 Process for the purification of a 3-cephem-4-carboxylic acid derivative |
| 08/23/2000 | CN1055693C Bioavailable crystalline form of cefuronime axetil |
| 08/23/2000 | CN1055692C Prepn. and use of 7-[(2-carboalkoxy-1-methylethenyl) amino]-3-hydroxymethyl-3-cephem-4-cargoxylic acids |
| 08/23/2000 | CN1055683C Process for producing N-allkyl-2,5-dimethyl-piperidinol-4-benzoyl ester |
| 08/22/2000 | US6107481 3-substituted (6r,7r)-7-phenylacetamido-ceph-3-em-4-carboxylic acid prepared from the e and z-isomers of the corresponding t-butyl or 4-methoxybenzyl ester by treating with titanium tetrachloride, tin tetrachloride or tellurium tetrachloride |
| 08/22/2000 | US6107290 Non-crystalline cefuroxime axetil solid dispersant, process for preparing same and composition for oral administration thereof |
| 08/16/2000 | EP1028118A1 Process for producing 3-cephem compounds |
| 08/16/2000 | CN1263530A Process for producing halogenated beta-lactam compound |
| 08/09/2000 | EP0918778A4 Solvent extraction of 3-hydroxymethylcephalosporins |
| 08/08/2000 | US6100393 Process for purifying 7-substituted aminodeacetoxy-cephalosporins through the use of filtration membranes |
| 08/02/2000 | EP0907654B1 De-esterification process |
| 08/02/2000 | CN1055090C Crystilline ceftiofur free acid |
| 07/27/2000 | WO1999064033A9 Phosphodiesterase-v modulator drugs and their uses |
| 07/25/2000 | US6093814 Process for preparation of cefdinir |
| 07/25/2000 | US6093813 Cephalosporin compounds |
| 07/25/2000 | US6093712 An antibiotic treating infectious diseases caused by methicillin-resistant staphylococcus aureus |
| 07/20/2000 | WO1999064048A9 Inhibitors of hiv reverse transcriptase |
| 07/12/2000 | EP1017699A1 PROCESS FOR RECOVERY OF A $g(b)-LACTAM ANTIBIOTIC |
| 07/12/2000 | EP1017698A1 PROCESS FOR RECOVERY OF A (beta)-LACTAM ANTIBIOTIC |
| 07/11/2000 | US6087355 A therapeutic bactericide composition for treating a methicillin-resistant, vancomycin-resistant, or ampicillin-resistant bacterial infection |
| 07/05/2000 | EP1016665A1 Process for the selective preparation of z-isomers of 3-(2-substituted vinyl)cephalosporins |
| 07/05/2000 | EP1016646A1 Intermediates for the preparation of cephalosporines containing on the 7-position a substituted benzyloximino radical |
| 07/05/2000 | CN1259133A Improved precipitation process of 7-aminocephalosporanic acid (7-ACA) |
| 06/28/2000 | CN1258297A Process for producing beta-lactam derivs. |
| 06/27/2000 | US6080855 2-isocephem and oxacephem derivatives and use as antibacterial agents |
| 06/27/2000 | CA2058822C Antibacterial agents |
| 06/21/2000 | EP1010701A1 Process for the preparation of 3-cephem compounds |
| 06/21/2000 | CN1257508A Process for producing 3-alkenylcephem compounds |
| 06/21/2000 | CN1257068A Process for preparation of condensed sulfamide |
| 06/20/2000 | US6077952 Cephaloporins and homologues |