| 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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| 06/21/1988 | CA1238311A2 6-aminopenicillanic acid esters |
| 05/31/1988 | US4748163 Novel β-lactam antibiotics |
| 05/31/1988 | US4748162 6-substituted-2-carbaminidoyl-pen-2-em-3-carboxylic acids |
| 05/17/1988 | CA1236828A2 Tetrabutylammonium 6-¬d-(2-¬1-methyl-2- methoxycarbonylvinylamino|-2-phenyl- or -2-¬4- hydroxyphenyl|acetamido)|penicillanate |
| 05/17/1988 | CA1236827A2 Hydroxymethyl carbonate monopenicillanoyl intermediates |
| 05/10/1988 | US4743598 Antibacterial 2-(azacycloalkyl) penems |
| 05/10/1988 | CA1236450A1 Synthesis route for bacampicillin |
| 05/03/1988 | US4742052 Antibacterial β-lactam compounds |
| 04/27/1988 | EP0265169A1 Oxadiazines & related compounds |
| 04/27/1988 | EP0265166A1 Process for preparing penems |
| 04/20/1988 | EP0263901A1 Conversion of cephalosporin hydrohalide salt to alkali metal salt |
| 04/19/1988 | US4739047 Intermediates for 2-(1-oxo-3-thiolanyl)-2-penem antibiotics |
| 04/19/1988 | US4738959 Antibacterial penem derivatives |
| 04/13/1988 | CN87106308A Hydrate of penicillin derivative and processs for preparing same |
| 04/12/1988 | US4737585 Reacting an amine-solubilized amoxycillin trihydrate in an aprotic solvent/alcohol mixture; isolation |
| 04/12/1988 | CA1235117A1 2-dioxacycloalkylthiopenem derivatives |
| 04/06/1988 | EP0262696A2 Brain-specific drug delivery |
| 04/06/1988 | EP0262202A1 Method for preparing penicillanic acid derivatives. |
| 04/05/1988 | US4735938 2-aminothiazolyl-containing β-lactam antibiotics |
| 03/30/1988 | EP0261823A1 Stable hydrate of penicillin derivative and process for preparing same |
| 03/29/1988 | US4734407 Alpha-aminoacyl-penicillins and cephalosporins |
| 03/16/1988 | EP0260042A1 2-(1-Oxo-1-imino-1-thiacycloalkyl)-Thiopenem derivatives |
| 03/15/1988 | CA1234099A1 Process for the production of penems |
| 03/10/1988 | WO1988001615A1 Prodrug derivatives of carboxylic acid drugs |
| 03/09/1988 | EP0259268A1 Process for the preparation of optically active beta-lactams |
| 03/08/1988 | US4729990 Penicillin |
| 03/02/1988 | EP0257602A1 (5R,6S,8R)-6-(1-hydroxyethyl)-2-(3R-pyrolidin-2-one-3-yl-)thiopenem-3-carboxylic acid |
| 03/02/1988 | EP0257419A1 Process for the preparation of antibacterial 7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene derivatives |
| 03/02/1988 | EP0257275A2 Cephalosporin and penicillin derivatives |
| 02/24/1988 | EP0256990A1 Pyridinio compounds |
| 02/24/1988 | EP0256577A2 Brain-specific drug delivery |
| 02/23/1988 | CA1233171A1 Process for the preparation of 6,6- dibromopenicillanic acid 1,1-dioxide |
| 02/16/1988 | US4725678 Antibiotics |
| 02/03/1988 | EP0255307A1 Process for the synthesis of penems |
| 02/03/1988 | EP0255278A1 Synthesis of azetidinones |
| 02/02/1988 | US4722924 Peptide substituted penicillins |
| 01/27/1988 | EP0254582A2 6 Beta-(alpha-oximino)-acylamino penicillanic-acid derivatives and starting compounds |
| 01/19/1988 | US4720491 Fluoralkylatedcarbapenem derivatives |
| 01/19/1988 | US4720490 Fluoralkylatedcarbapenem derivatives |
| 01/14/1988 | WO1988000203A1 Higher alkyl pyrrolidone extractants for water soluble phenolic or carboxylic antibiotics |
| 01/14/1988 | WO1988000186A1 Compositions used in permanent structure altering of hair |
| 01/14/1988 | WO1988000185A1 Compositions used in permanent alteration of hair color |
| 01/13/1988 | EP0252885A1 Bicyclic thiaaza compounds |
| 01/12/1988 | US4719287 Solvent extraction |
| 12/22/1987 | US4714761 Oxidation, dehalogenation |
| 12/16/1987 | EP0249358A1 Process for penem derivatives |
| 12/15/1987 | US4713461 Process for producing glutaconic acid derivatives |
| 12/15/1987 | US4713450 Antibiotics |
| 12/15/1987 | US4713378 Penem derivatives |
| 12/08/1987 | US4711956 Penicillin derivatives |
| 12/08/1987 | US4711886 β-lactam derivatives as anti-inflammatory and antidegenerative agents |
| 12/08/1987 | CA1230113A1 Method for producing chemical compounds |
| 11/24/1987 | US4708825 Process for the production of penicillins |
| 11/19/1987 | EP0246187A2 2-Pyridyl penem compounds |
| 11/04/1987 | EP0244195A1 2-Vinylpenams and process |
| 11/04/1987 | EP0244113A1 B-lactam antibiotics |
| 11/04/1987 | EP0243921A2 Crystalline hydrate of a penem derivative |
| 11/04/1987 | EP0243686A2 Beta-lactam compounds, and their production |
| 11/03/1987 | US4704456 Chloromethyl ester of sulfobactam |
| 10/22/1987 | WO1987006231A1 beta-LACTAM ANTIBIOTICS |
| 10/22/1987 | WO1987006230A1 Method for preparing penicillanic acid derivatives |
| 10/13/1987 | US4699904 Tetrazolyl derivatives of β-lactams useful as elastase inhibitors |
| 09/23/1987 | EP0238285A2 2-Heterocyclylthio penems |
| 09/22/1987 | US4695628 Preparation of 6-amino-penicillanic acid-1,1-dioxide |
| 09/22/1987 | US4695626 1-aza-4,5-dithiabicyclo [4.2.0] oct-2-en-8-one-2 carboxylate esters |
| 09/22/1987 | CA1227194A1 Antibacterial penem derivatives |
| 09/16/1987 | EP0237084A2 4-Bromomethyl-5-methyl-1,3-dioxolen-2-one, and a process for the production thereof |
| 09/16/1987 | EP0236880A2 Penem derivatives |
| 09/16/1987 | EP0236383A1 Method for preparing 6beta-halopenicillanic acids and salts thereof. |
| 09/15/1987 | CA1226861A1 Process for the production of penem compounds |
| 09/09/1987 | EP0236074A1 2Beta-substituted thiomethylpenicillin derivatives and their preparation and use |
| 09/08/1987 | US4692442 6-substituted penem compounds |
| 09/01/1987 | US4690922 2-(heterocycloalkylthio)penems |
| 08/26/1987 | CN87100860A Process for manufacture of carboxylic acid amides |
| 08/19/1987 | EP0233155A1 Aminoacyloxymethyl compounds |
| 08/19/1987 | EP0232966A1 Process for the preparation of penem compounds and intermediates for this preparation |
| 08/12/1987 | EP0231845A2 Process for the preparation of carboxylic-acid amides |
| 08/12/1987 | EP0231244A1 6-alkylidene penems |
| 08/11/1987 | CA1225392A1 Antibacterial penem derivatives |
| 08/04/1987 | US4684728 Solubilizing biologically active compounds with reactive hydrogen atoms |
| 08/04/1987 | US4684664 Derivatives of β-(4-isocyano-1,2,3,4-diepoxycyclopentyl) acrylic acid |
| 08/04/1987 | US4684640 Antibiotics, beta-lactamase inhibitors |
| 08/04/1987 | US4684639 Antibiotics |
| 07/28/1987 | USRE32465 AZA penem compounds |
| 07/28/1987 | US4683303 Reduction process for the preparation of 4-unsubstituted azetidin-2-ones |
| 07/28/1987 | US4683226 6-hydroxyalkyl-2-(substituted-thio)penem-3-carboxylic acids |
| 06/23/1987 | US4675398 For antibiotics |
| 06/23/1987 | US4675396 7-Oxo-4-thia-1-azabicyclo(3,2,0)heptane derivatives |
| 06/23/1987 | US4675317 2-unsaturated alkylthio-pen-2-em-3-carboxylic acids |
| 06/23/1987 | US4675186 6-(1-acyl-1-hydroxymethyl)penicillanic acid derivatives |
| 06/09/1987 | US4672114 Process for the preparation of pure 6-β-halopenicillanic acids and salts thereof |
| 06/09/1987 | CA1222745A1 PROCESS FOR THE PREPARATION OF .beta.-LACTAM COMPOUNDS |
| 06/03/1987 | EP0224390A1 Penicillins |
| 06/03/1987 | EP0224283A2 Brain-specific drug delivery |
| 06/02/1987 | US4670431 Beta-lactam antibacterial agents |
| 06/02/1987 | CA1222507A1 .beta.-LACTAM ANTIBIOTICS, PROCESSES FOR THEIR PREPARATION AND AGENTS WHICH CONTAIN THESE COMPOUNDS |
| 05/27/1987 | EP0223397A2 Process for 2-(1-oxo-3-thiolanyl)-2-penem antibiotics |
| 05/26/1987 | US4668514 Penicillin derivatives |
| 05/20/1987 | EP0222425A2 Brain-specific drug delivery |
| 05/20/1987 | EP0222022A1 Process for producing beta-lactam derivatives |