| Patents for C07D 499 - Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (3,448) |
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| 12/22/1992 | WO1993000345A1 Penem derivatives |
| 12/22/1992 | CA2088913A1 Penem derivatives |
| 12/02/1992 | EP0313561B1 Compositions used in permanent structure altering of hair |
| 12/02/1992 | CN1019300B Process for manufacture of carboxylic acid amides |
| 11/26/1992 | WO1992020689A1 Antibacterial penem derivatives |
| 11/26/1992 | WO1992020665A1 Thiazolidine derivatives and their use in therapy |
| 11/17/1992 | US5164494 Cephalosporin derivatives |
| 11/10/1992 | US5162523 Cephalosporin antibacterial compounds |
| 10/27/1992 | US5159077 Penam antibacterial compounds |
| 10/06/1992 | US5153315 Intermediates for β-lactam compounds |
| 10/06/1992 | CA1308358C Antibacterial lyophilized preparation |
| 09/23/1992 | EP0222022B1 Process for producing beta-lactam derivatives |
| 09/16/1992 | EP0503604A2 Allenyl beta-lactam compounds and process for preparing same |
| 09/16/1992 | EP0503603A2 Process for preparing 2-exo-methylenepenam derivatives |
| 09/16/1992 | EP0503597A2 Penam derivatives and processes for producing the same |
| 08/19/1992 | EP0499274A1 Crystalline penem, its production and use |
| 08/16/1992 | CA2061245A1 Crystalline penem, its production and use |
| 08/12/1992 | CN1017802B Method for preparing 6-(substd.) hydroxymethyl-penicillanic acids or 1,1-dioxide and derivs thereof |
| 08/12/1992 | CN1017801B Method for preparing 6-(substd) hydroxymethyl-penicillanic acids or 1, 1-dioxide and derivs,thereof |
| 08/05/1992 | EP0496739A1 Conversion of penicillins and cephalosporins to 1-(s)-sulfoxides |
| 07/29/1992 | EP0496332A1 Alpha-aminoquinolinoyl-[3]-penicillines, process for their preparation and their use as antibacterial agents |
| 07/28/1992 | CA1305709C Carbapenem derivatives |
| 07/23/1992 | DE4101787A1 New beta-lactamase stable piperacillin and azlocillin amide(s) - for treating Gram positive and Gram negative bacterial infection in humans and animals |
| 07/21/1992 | US5132300 Beta-lactam elastase inhibitors |
| 07/01/1992 | EP0262202B1 Method for preparing penicillanic acid derivatives |
| 06/30/1992 | US5126335 Penicillins containing an acrylamide side chain |
| 06/23/1992 | US5124441 Therapeutically active compound and its use |
| 06/17/1992 | EP0490450A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastrointestinal medicines |
| 06/16/1992 | US5122604 β-lactam compounds |
| 06/12/1992 | WO1992010502A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastro-intestinal medicines |
| 06/12/1992 | CA2075812A1 Heterocyclic carboxylic esters, methods for their preparation and their use for the preparation of gastro-intestinal medicines |
| 06/09/1992 | US5120841 Antibiotics for easy absorption |
| 06/02/1992 | USRE33948 Bactericides, animal growth regulators |
| 06/02/1992 | CA1302402C Compounds |
| 05/26/1992 | US5116832 Penem derivatives production and use thereof |
| 05/12/1992 | CA1300604C Methoxymethyl compounds |
| 05/12/1992 | CA1300603C Process for the conversion of the e-isomer of 6-(substituted methylene)-2-penems into the z-isomer |
| 05/12/1992 | CA1300539C Process for preparing penems |
| 05/06/1992 | EP0278977B1 Prodrug derivatives of carboxylic acid drugs |
| 04/28/1992 | CA1299566C 2.beta.-SUBSTITUTED-METHYL-PENICILLANIC ACID DERIVATIVES, AND SALTS AND ESTERS THEREOF |
| 04/28/1992 | CA1299565C Penem compounds, production and use thereof |
| 04/21/1992 | US5106840 Method of preparing n-oxo-tetrahydro-beta-carbolines |
| 04/21/1992 | CA1299172C Synthesis of azetidinones |
| 04/15/1992 | EP0236383B1 Method for preparing 6beta-halopenicillanic acids and salts thereof |
| 03/25/1992 | EP0476875A2 Process for the purification and concentration of biologically active materials |
| 03/24/1992 | CA1297870C Process for preparing penicillanic acid derivatives |
| 03/18/1992 | CN1059525A Deprotection of allylic esters and ethers |
| 03/05/1992 | WO1992003444A1 Penem compounds |
| 03/05/1992 | WO1992003443A1 Antibacterial penem compounds |
| 03/05/1992 | WO1992003442A1 Antibacterial penem esters derivatives |
| 03/03/1992 | US5093328 Carbapenicillin antibiotics |
| 03/03/1992 | US5093031 Surface active lactams |
| 02/26/1992 | EP0472062A1 Beta-lactam compounds, and their production and use |
| 02/18/1992 | US5089489 6-substituted penem esters as anti-inflammatory and anti-degenerative agents |
| 02/12/1992 | CN1015462B Method for preparing 6-(substd.) methylenepenicillanic acids or 1,1-dioxide and derivatives thereof |
| 02/12/1992 | CN1015461B Method for preparing 6-(substd.) methylenepenicillanic acid and 1,1-dioxide, and derivatives thereof |
| 02/11/1992 | CA2048887A1 Beta-lactam compounds, and their production and use |
| 02/11/1992 | CA1295610C Optically active, ethylenically unsaturated monomers and polymers thereof |
| 02/05/1992 | CN1015369B Process for making 6,6-dibromo-penicillanic acid 1,1-dioxide |
| 01/28/1992 | CA1294953C PROCESS FOR PREPARING 2.beta.-SUBSTITUTED-METHYLPENICILLIN DERIVATIVES |
| 01/23/1992 | WO1992001061A1 PROCESS FOR PREPARATION OF β-LACTAMS |
| 01/08/1992 | EP0464488A2 Optically active N-alpha-fluoroacryloyl-aminoacid derivatives, their preparation, optically active polymers prepared therefrom and their use for the separation of racemates |
| 01/07/1992 | US5079357 Derivatives of penem |
| 01/07/1992 | US5079146 Penicillinacylase is used to remove ester protecting group |
| 01/02/1992 | EP0463444A1 Dicarboxylic acid imides as herbicides |
| 01/01/1992 | CN1015262B Process for preparation of beta-lactam antibiotics |
| 12/31/1991 | US5077286 Beta-lactam derivatives of the 4-acylcephem sulphone and 3-acylpenam sulphone-type |
| 12/27/1991 | EP0462521A1 Crystalline penem, its production and use |
| 12/24/1991 | USRE33778 1,3-dithietane-2-carboxylic acid penicillin and cephalosporin derivatives |
| 12/24/1991 | US5075469 Pharmaceutical compositions containing a zinc complex |
| 12/24/1991 | US5075438 Synthesis of azetidinones |
| 12/24/1991 | US5075296 Antitumor agents |
| 12/24/1991 | CA1293502C Pyridine compounds |
| 12/20/1991 | CA2044840A1 Crystalline penem, its production and use |
| 12/18/1991 | CN1015104B Deprotection of allylic esters and ethers |
| 12/17/1991 | US5073641 Prodrug derivatives of carboxylic acid drugs |
| 12/10/1991 | CA1292985C Tricyclic penam compounds, their production and their use |
| 12/03/1991 | US5070194 Deprotection of intermediates |
| 11/28/1991 | WO1991017995A1 New penem dithiocarbamates, their use and production methods |
| 11/19/1991 | US5066799 1,2,3-Thiadiazole derivatives, radio-labeling |
| 11/13/1991 | CN1014710B Process for 6-beta (substrated)-shydroxymethyl-penicillanic acid and its derivatives |
| 11/13/1991 | CN1014709B Process for the preparation of 6-amino penicillanic 1,1-dioxide by oxidation of 6-amino penicillanic acid |
| 11/13/1991 | CN1014708B Process for the dehalogehation of 6.6-dibromopenicillaic acid 1,1-dioxide |
| 11/12/1991 | US5064761 Process for the manufacture of 4-acylamino-3-hydroxybutyric acid esters |
| 11/05/1991 | CA1291748C .beta.-LACTAM ANTIBIOTICS |
| 10/31/1991 | WO1991016327A1 Antimicrobial quinolonyl lactams |
| 10/31/1991 | WO1991016310A1 Antimicrobial quinolone thioureas |
| 10/31/1991 | CA2078444A1 Antimicrobial quinolonyl lactams |
| 10/31/1991 | CA2077435A1 Novel antimicrobial quinolone thioureas |
| 10/14/1991 | WO1991016326A1 Process for sultamicillin intermediate |
| 10/03/1991 | WO1991014691A1 Process for preparing penem esters |
| 10/02/1991 | CN1054983A Process for preparing penem esters |
| 10/01/1991 | US5053502 Bactericide intermediates |
| 09/24/1991 | US5051416 Acetoxymethyl ester of 2-carbamoyloxymethyl-6- 1-hydroxyethyl!-2-penem-3-carboxylic acid |
| 09/11/1991 | EP0445822A1 Thiazolinoazetidinone derivative and process for preparing 2-exo-methylene-penam derivative thereform |
| 09/07/1991 | CA2011656A1 Compounds |
| 08/28/1991 | CN1013675B Process for the manufacture of aminothiazole acid derivatives |
| 08/27/1991 | CA1288091C 6-.beta.(SUBSTITUTED)-(S)-HYDROXYMETHYLPENICILLANIC ACIDS AND DERIVATIVES THEREOF |
| 07/31/1991 | EP0439096A2 Improvements in or relating to beta lactam production |
| 07/30/1991 | US5036063 Penicillins substituted with cyclobutyl group |