| 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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| 07/02/1996 | US5532354 Antibiotics |
| 07/02/1996 | US5532353 Antibiotics and bactericides |
| 06/25/1996 | US5530116 Antimicrobial quinolonyl lactams |
| 06/20/1996 | WO1996018609A1 Formation and utility of sulfonic acid protecting groups |
| 06/19/1996 | EP0716852A1 Pharmaceutical formulations of cefaclor |
| 06/19/1996 | CN1124737A Method for production of t-butyl 3-oxobutyrates and their use |
| 06/18/1996 | US5527906 Acylation in solution of sodium bicarbonate in aqueous acetone with 2-/2-aminothiazol-4-yl/-2-syn-methoxyimino acetic acid-2-benzothiazolyl thioester |
| 06/18/1996 | US5527792 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids |
| 06/18/1996 | US5527697 An esterase prepared by cultivation of microorganism of streptomyces, amycolatopsis or nocardia |
| 06/14/1996 | CA2158511A1 Pharmaceutical formulations of cefaclor |
| 06/13/1996 | WO1996017850A1 Cephem compounds and pharmaceutical use thereof |
| 06/13/1996 | WO1996017849A1 7-alkylidene cephalosporanic acid derivatives and methods of using the same |
| 06/13/1996 | WO1996017848A1 7-vinylidene cephalosporins and methods of using the same |
| 06/13/1996 | WO1996017847A1 Process for the preparation of cephalosporins and analogues |
| 06/13/1996 | WO1996017846A1 Process for the preparation of intermediates useful in the synthesis of cephalosporins |
| 06/13/1996 | CA2206226A1 Process for the preparation of intermediates useful in the synthesis of cephalosporins |
| 06/11/1996 | US5525599 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids |
| 06/11/1996 | US5525483 By enzymatic reaction with parent amino beta-lactam |
| 06/04/1996 | US5523400 3-(pyrrolidin-3-ylidene=ch-),7-((2-aminothiazol-4-yl)hydrox -iminoacetylamino-)-3-cephem derivatives; broad spectrum antibiotics |
| 05/30/1996 | WO1996016067A1 Silylation process |
| 05/29/1996 | EP0233255B1 Conversion of cephalosporin hydrohalide salt to alkali metal salt |
| 05/29/1996 | CN1123549A Crystalline benzathine salt of cefonicid and its preparation |
| 05/29/1996 | CN1123274A Process for producing N-allyl-2,5-dimethyl-piperidinol-4-benzoyl ester |
| 05/28/1996 | US5521308 Process for the preparation of crystalline TACA |
| 05/15/1996 | EP0711774A1 Crystalline cephem-addition salts and process for their preparation |
| 05/14/1996 | US5516902 Process for preparing cephalosporin compounds |
| 05/07/1996 | US5514561 Fluorogenic and chromogenic β-lactamase substrates |
| 05/07/1996 | US5514383 Process for the preparation of tablets of derivatives of cephalosporanic acid by direct compression |
| 05/02/1996 | WO1996012712A1 Reactive phosphate derivatives of thiazolylacetic acid and process for preparing cephalosporin antibiotics using the same |
| 05/01/1996 | EP0708779A1 Use of cephem derivatives as anti-metastatic agents |
| 04/23/1996 | US5510538 Process for the oxidation of primary and secondary alcohols to aldehydes and ketones and for the oxidation of 1,2-diols to α-ketols and α-diketones |
| 04/17/1996 | CN1031571C Deprotection of allylic esters and ethers |
| 04/11/1996 | DE4435478A1 New quinoline and naphthyridone carboxylic acid derivs. |
| 04/10/1996 | EP0682669A4 Improved process for isolation of cefaclor after enzymatic acylation. |
| 04/10/1996 | CN1120045A New cephalosporins containing in position 7 a substituted benzyloxyimino radical, their preparation process, their use as medicaments |
| 04/03/1996 | CN1119531A A stably storable and readily water soluble composition of cephalosporin for injections |
| 04/02/1996 | US5504076 Antibiotics |
| 03/27/1996 | CN1119439A Improved process for isolation of cefaclor after enzymatic acylation |
| 03/20/1996 | CN1119016A Crystalline ceftiofur free acid |
| 03/14/1996 | WO1996007659A1 Novel crystal of cephalosporin compound |
| 03/14/1996 | CA2199253A1 Novel crystal of cephalosporin compound |
| 03/13/1996 | EP0700916A1 Cephem compound, process for producing the same, and antibacterial containing the compound |
| 03/13/1996 | CN1118349A Oxime derivatives of cephalosporanic structure and compounds for their preparation |
| 03/12/1996 | US5498787 Esterification of cephalosporin salts, quaternary ammonium or phosphonium catalyst |
| 03/12/1996 | US5498777 3-thioheteroaryl cephalosporin compounds, compositions and methods of use |
| 03/06/1996 | EP0699681A1 Cephalosporin derivatives |
| 03/03/1996 | CA2155705A1 Cephalosporin derivatives |
| 02/28/1996 | CN1117383A Cefixime composition |
| 02/22/1996 | WO1996005205A1 Novel cephem derivative |
| 02/22/1996 | DE19530124A1 Verfahren zur Herstellung von N-Allyl-2,5-dimethyl-piperidinol-4- benzoylester A process for the preparation of N-allyl-2,5-dimethyl-4-benzoyl-piperidinol |
| 02/15/1996 | WO1996004286A1 Process for making quinolonyl lactam antimicrobials and novel intermediate compounds |
| 02/15/1996 | WO1996004247A1 Process for making antimicrobial compounds |
| 02/08/1996 | WO1996003373A1 2-(2-azetidinon-n-yl)-2- and 3-butenoic acids derivatives and their use in the cephalosporine synthesis |
| 02/07/1996 | EP0695548A1 A stably storable and readily water soluble composition of cephalosporin for injections |
| 02/07/1996 | CN1116425A New cephem compounds |
| 02/04/1996 | CA2155170A1 Stably storable and readily water soluble composition of cephalosporin for injections |
| 02/01/1996 | WO1996002548A1 3-thioheteroaryl cephalosporin compounds, compositions and methods of use |
| 02/01/1996 | WO1995035020A3 Glutaryl 7-aca derivatives and processes for obtaining them |
| 01/25/1996 | DE19526187A1 7-Diazo-beta-lactamderivate und Verfahren zu deren Herstellung 7-diazo-beta-lactam derivatives and process for their preparation |
| 01/24/1996 | EP0693496A1 Novel cephalosporins having a substituted benzyloxyimino radical in position 7, process for their preparation and their use as medicaments |
| 01/20/1996 | CA2154227A1 Cephalosporins with a substituted benzyloxyimino radical in position 7, process for their preparation and their application as medecines |
| 01/16/1996 | US5484928 2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives |
| 01/10/1996 | EP0691343A1 Cephalosporin derivative |
| 01/10/1996 | EP0690865A1 Crystalline benzathine salt of cefonicid and its preparation |
| 01/10/1996 | EP0690864A1 Crystalline ceftiofur free acid |
| 01/10/1996 | CN1030657C Method for preparing autibacterial compounds |
| 01/03/1996 | CN1114507A Novel Cephem Derivative |
| 01/03/1996 | CN1114315A Protected aminothiazolylacetic acid derivatives |
| 01/02/1996 | US5480879 Quinolonecarboxylic acids |
| 01/02/1996 | US5480720 Adhesive composition |
| 12/28/1995 | WO1995035020A2 Glutaryl 7-aca derivatives and processes for obtaining them |
| 12/21/1995 | WO1995034567A1 Cyclohexanocephalosporins and their preparation procedure |
| 12/20/1995 | EP0687676A1 Purification of a cephalosporin salt |
| 12/14/1995 | WO1995033753A1 Process for the preparation of trihydrated cefixime |
| 12/13/1995 | CN1113233A A method for producing a pyrrolidire derivative |
| 12/06/1995 | EP0685232A2 Cefixim formulation |
| 12/01/1995 | CA2150442A1 Cefixime composition |
| 11/30/1995 | WO1995032210A1 Cephalosporin compounds and processes for the preparation thereof |
| 11/30/1995 | CA2190245A1 Cephalosporin compounds and processes for the preparation thereof |
| 11/28/1995 | US5470972 Antibiotics |
| 11/28/1995 | US5470717 Method for the preparation of certain β-lactam antibiotics |
| 11/22/1995 | EP0682669A1 Improved process for isolation of cefaclor after enzymatic acylation |
| 11/15/1995 | CN1111633A Process for preparing cephalosporin compounds from reactive organic acid derivatives |
| 11/08/1995 | CN1111246A Novel cephalopsporin antibiotics and processes for the preparation thereof |
| 11/07/1995 | US5464829 Cephalosporin derivatives |
| 11/07/1995 | CA1337522C Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof |
| 11/02/1995 | WO1995029182A1 Cephalosporin synthesis |
| 11/02/1995 | CA2533837A1 Cephalosporin synthesis |
| 10/31/1995 | US5462935 Antibiotic |
| 10/25/1995 | EP0678520A1 Process for producing 3-substituted cephem compound |
| 10/24/1995 | US5461044 Cephalosporin derivatives |
| 10/24/1995 | US5461043 Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate |
| 10/18/1995 | EP0677523A1 3-(substituted)-1-carba(dethia)-3-cephems and cephalosporins and a process for production therefor |
| 10/12/1995 | WO1995026966A1 Cephalosporin antibiotics |
| 10/12/1995 | CA2186894A1 Cephalosporin antibiotics |
| 10/11/1995 | EP0676236A1 Process for removal of allyl group or allyloxycarbonyl group |
| 10/11/1995 | CN1110057A Tricyclic defem sulphones as elastase inhibitors |
| 10/11/1995 | CN1029965C Process and intermediates for beta-lactams having aminothiazole (iminoxyacetic acid) acetic acid sidechains |
| 10/04/1995 | EP0675116A1 Protected aminothiazolylacetic acid derivatives |
| 10/03/1995 | US5455239 3-aryl of heteroaryl-7-heteroaralkylamido cephalosporin compounds, compositions and methods of use |