| 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) |
|---|
| 06/05/1997 | WO1997013772A3 Cephalosporin antibiotics |
| 06/04/1997 | CN1150950A Cephalosporin derivatives |
| 06/03/1997 | US5635501 Alphalosporins and 1-carba-1-dethia cephalosporins |
| 06/03/1997 | US5635500 Cephem compound and pharmaceutical composition containing the compound |
| 05/28/1997 | EP0775145A1 Process for making quinolonyl lactam antimicrobials and novel intermediate compounds |
| 05/28/1997 | EP0775114A1 Process for making antimicrobial compounds |
| 05/21/1997 | EP0774466A1 Novel cephem derivatives |
| 05/21/1997 | EP0773928A1 2-(2-azetidinon-n-yl)-2- and 3-butenoic acids derivatives and their use in the cephalosporine synthesis |
| 05/21/1997 | CN1150429A Cephalosporin compounds and processes for preparation thereof |
| 05/21/1997 | CN1034940C Preparation process for new cephalosporin |
| 05/20/1997 | US5631378 Protected aminothiazolylacetic acid derivatives |
| 05/20/1997 | US5631367 E-rotamers of 3-hydroy cephem derivatives |
| 05/20/1997 | US5631366 Process for making 3-formylcephem derivatives |
| 05/20/1997 | US5631256 Antimicrobial quinolone thioureas |
| 05/15/1997 | WO1997017352A1 De-esterification process |
| 05/14/1997 | CN1149874A Cephalosporin antibiotics |
| 05/13/1997 | US5629306 B-lactamase inhibitors |
| 05/13/1997 | US5629171 Recombinant bioprocess for the preparation of 7-amino cephalosporanic acid (7-ACA) |
| 05/07/1997 | EP0771803A1 Pyrazolo(1,5-a)pyrimidinium substituted cephem derivatives, their preparation and their use as antimicrobial agents |
| 05/05/1997 | WO1997017353A1 Process for the preparation of 3-halogenocephem derivatives |
| 04/29/1997 | US5625058 Process for the preparation of cephalosporins |
| 04/23/1997 | CN1148044A Prepn. and use of 7-[(2-carboalkoxy-1-methylethenyl) amino]-3-hydroxymethyl-3-cephem-4-cargoxylic acids |
| 04/17/1997 | WO1997013772A2 Cephalosporin antibiotics |
| 04/17/1997 | CA2234255A1 Cephalosporin antibiotics |
| 04/16/1997 | EP0497978B1 Cephalosporin compounds and production thereof |
| 04/16/1997 | CN1147516A Bioavailable crystalline form of cefuroxime axetil |
| 04/16/1997 | CN1034571C A method for producing a pyrrolidire derivative |
| 04/15/1997 | US5621095 Cephalosporins |
| 04/15/1997 | US5621084 Process for removal of allyl group or allyloxycarbonyl group |
| 04/15/1997 | US5620969 Bactericides |
| 04/15/1997 | US5620968 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids |
| 04/10/1997 | WO1997012890A1 New cephem compounds |
| 04/09/1997 | CN1034504C Process for preparing thioalkylthio cephalosporin derivs. |
| 04/02/1997 | CN1146770A Cephalosporin synthesis |
| 04/01/1997 | US5616703 Separation of cephalosporin isomers |
| 03/26/1997 | EP0764648A1 Cephem derivatives and process for the preparation thereof |
| 03/25/1997 | US5614623 Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate and processes for their preparation |
| 03/25/1997 | CA1339021C Ó-crystals of cefazolin sodium |
| 03/19/1997 | EP0763043A1 Process for the preparation of trihydrated cefixime |
| 03/13/1997 | WO1997009052A1 Therapeutic azide compounds |
| 03/13/1997 | CA2231442A1 Therapeutic azide compounds |
| 03/13/1997 | CA2184971A1 Cephalosporin derivatives |
| 03/12/1997 | EP0761673A1 Cephalosporin derivatives |
| 03/12/1997 | EP0761672A1 Cephalosporin containing in position 7 a substituted benzyloxyimino radical, processes for their preparation and intermediates for their preparation, their use as medicaments |
| 03/12/1997 | EP0761671A1 Cephem derivatives |
| 03/12/1997 | EP0760820A1 Cephalosporin compounds and processes for the preparation thereof |
| 03/06/1997 | WO1997008174A1 Interleukin converting enzyme and apoptosis |
| 03/06/1997 | WO1997007805A1 Interleukin converting enzyme and apoptosis |
| 03/05/1997 | EP0548186B1 Cephalosporin derivatives and their homologues |
| 03/05/1997 | CN1144274A Improved enzymatic process for producing penicillins and cephalosporins |
| 03/05/1997 | CN1144222A New cephem compounds |
| 03/05/1997 | CN1034177C Process for preparing cefalexin |
| 03/04/1997 | US5608055 Beta lactam production |
| 03/04/1997 | US5607927 Cephalosporin derivative |
| 03/04/1997 | US5607926 Active against methicillin resistant bacteria |
| 02/27/1997 | WO1997007121A1 Purification process |
| 02/27/1997 | WO1997007112A1 Amine acid salt compounds and process for the production thereof |
| 02/26/1997 | EP0759437A1 Processes for the production of 2-isocephem derivatives |
| 02/26/1997 | EP0759436A1 Processes for the preparation of beta-lactam derivative |
| 02/25/1997 | US5605895 Cephalosporin antibiotics and processes for preparation thereof |
| 02/18/1997 | US5604222 Reacting penicillin sulfoxide ester with n-chlorohalogenating agent in inert organic solvent in presence of phosphate acid scavenger |
| 02/18/1997 | US5604218 Cephalosporin antibiotics |
| 02/18/1997 | US5604217 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation |
| 02/17/1997 | CA2183469A1 New cephalosporins containing a substituted benzyloxyimino radical in position 7; process and intermediates for preparing them and use thereof as therapeutic agents |
| 02/12/1997 | EP0757991A1 Bioavailable crystalline form of cefuroxime axetil |
| 02/12/1997 | EP0757691A1 Cephalosporin synthesis |
| 02/11/1997 | US5602117 Cephalosporin compounds |
| 02/06/1997 | WO1997003990A1 Isomer separation |
| 02/05/1997 | CN1141923A Process for selective sulfoxide reduction of 3-hydroxy cephem and 3-methylene cepham sulfoxide compounds |
| 02/05/1997 | CN1141922A Cephalosporin derivative |
| 02/04/1997 | CA2179359A1 Bioavailable crystalline form of cefuroxime azetil |
| 01/28/1997 | US5597914 Process for the production of cephalosporins |
| 01/28/1997 | US5597817 7-vinylidene cephalosporins and methods of using the same |
| 01/23/1997 | WO1997002268A1 7,7-disubstituted cephem-4-ketones |
| 01/23/1997 | WO1997002024A1 Use of stat 5 sh2 domain specific compounds to enhance erythropoiesis |
| 01/23/1997 | CA2225666A1 Use of stat 5 sh2 domain specific compounds to enhance erythropoiesis |
| 01/22/1997 | EP0754184A1 Cephalosporin antibiotics |
| 01/22/1997 | CN1140714A Preparation of cephalosporin antibiotic using syn-isomer of thiazolyl intermediate |
| 01/21/1997 | US5596096 Azetidinone derivatives and method for producing azetidinone and cephalosoporin derivatives |
| 01/21/1997 | US5596095 Removal of neopentyl protecting groups and regeneration of parent drugs |
| 01/21/1997 | US5595986 Stably storable and readily water soluble composition of cephalosporin for injections |
| 01/15/1997 | CN1140175A 7-acyl-3-(substd. carbamoyloxy) cephem compounds and their preparation process |
| 01/14/1997 | US5594133 Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropinonyloxy)-ethyl-3-cephem-4-carboxylate |
| 01/14/1997 | US5594132 7-acylamino-3-substituted cephalosporanic acid derivatives |
| 01/14/1997 | US5594131 Process for preparing cephalosporin intermediates |
| 01/14/1997 | US5594130 N-acylation of 7-amino-3-((1-methyl-1-pyrrolidinio)-methyl) ceph-3-em-4-carboxylate with syn-2-(2-aminothiazol-4-yl)-2-methoxyimino acetyl chloride hydrochloride |
| 01/14/1997 | US5594129 Process for the preparation of a cephalosporin antibiotic |
| 01/14/1997 | US5593986 Cephalosporin antibiotics |
| 01/14/1997 | US5593985 Cephalosporin compounds |
| 01/14/1997 | US5593984 Cephalosporin derivatives |
| 01/14/1997 | CA1338842C Cephem compound and a process for preparation thereof |
| 01/09/1997 | WO1996030540A3 Substrates for beta-lactamase and uses thereof |
| 01/09/1997 | DE19626616A1 Verfahren zur Herstellung von 1,1-Dioxo-cephem-4-ketonen A process for the preparation of 1,1-dioxo-cephem-4-ketones |
| 12/31/1996 | US5589594 Process for the preparation of cephem prodrug esters |
| 12/31/1996 | US5589593 Crystalline form of a cephalosporin antibiotic |
| 12/31/1996 | US5589592 Process for preparing β-lactam derivative and synthetic intermediate |
| 12/31/1996 | CA1338820C Intermediates useful for preparing cephem compounds and process for preparing same |
| 12/24/1996 | US5587474 Method for removing the protecting group for carboxyl group |
| 12/24/1996 | US5587473 Blocking; condensation; deblocking |
| 12/24/1996 | US5587373 Elastase inhibitors |