| 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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| 02/23/1982 | US4316886 Process for the preparation of solid sodium amoxycillin |
| 02/23/1982 | US4316842 Isomerization with an alkali metal acetate |
| 02/16/1982 | US4315933 Penicillins |
| 02/16/1982 | US4315858 Penicillin derivatives |
| 02/16/1982 | CA1118412A1 Method for producing amidinopenicillanoyloxyalkyl cephalosporanates |
| 02/10/1982 | EP0045523A1 Alpha-substituted ureidobenzylpenicillanic acid derivatives and process for producing the same |
| 02/09/1982 | US4315014 Antibacterial amide compounds and pharmaceutical composition containing the same |
| 02/09/1982 | US4314942 Deprotection of allylic esters, carbonates and carbamates catalyzed by palladium compounds |
| 02/03/1982 | EP0044992A1 Lactams, process for their preparation and pharmaceutical compositions containing them |
| 02/02/1982 | US4313875 Chromatographic divinylbenzene/styrene adsorption resin |
| 01/13/1982 | EP0043630A2 Improved process for the silylation of organic compounds with 1,1,1-trimethyl-N-(trimethylsilyl)silanamine by means of catalysis with certain nitrogen containing compounds |
| 01/13/1982 | EP0043546A2 7-Oxo-cephalosporins and 6-oxo-penicillins, their analogues and process for their preparation |
| 01/12/1982 | US4310460 Process for the production of 6-D-α-amino-p-hydroxyphenylacetamido penicillanic acid |
| 01/12/1982 | US4310459 Process for producing carbamoyl substituted penams and carbamoyl substituted cephams from penicillin sulfoxide esters |
| 01/12/1982 | US4310458 Production of amoxycillin and ampicillin |
| 01/06/1982 | EP0043205A1 Penicillin derivatives |
| 01/05/1982 | US4309347 Penicillanoyloxymethyl penicillanate 1,1,1',1'-tetraoxide |
| 12/29/1981 | US4308380 2-Lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives |
| 12/29/1981 | US4308259 Penicillin derivatives |
| 12/23/1981 | EP0042220A1 Process for the preparation of beta-lactam antibiotics |
| 12/23/1981 | EP0042026A1 3,4-Disubstituted azetidin-2-on compounds and process for their preparation |
| 12/22/1981 | CA1114808A1 Derivatives of 7-¬substituted oxyiminoacetamido| cephalosporins |
| 12/16/1981 | EP0041813A1 Penicillin derivatives, processes for their preparation and compositions containing them |
| 12/16/1981 | EP0041768A2 Beta-lactam compounds, their preparation and use |
| 12/08/1981 | US4304779 6-(Nitrogen-containing heterocyclic)hydroxymethylpenicillanic acids, compounds related thereto and processes for their preparation |
| 12/08/1981 | US4304717 Acylation |
| 12/02/1981 | EP0041047A2 Dioxide compounds, process for their preparation and their use |
| 12/01/1981 | US4303664 Novel penicillin derivatives containing a coumarin nucleus and medicines containing the same |
| 12/01/1981 | US4303582 Spray drying process for preparation of solid sodium amoxycillin |
| 12/01/1981 | CA1113456A1 Process for the preparation of azacyclic compounds |
| 12/01/1981 | CA1113454A1 ALKOXYLATED .beta.-LACTAM COMPOUNDS AND THEIR PREPARATION |
| 12/01/1981 | CA1113453A1 Compounds with terminal aminocarboxylic acid grouping |
| 11/25/1981 | EP0040494A1 Carbapenams and carbapen-2-ems and process therefor |
| 11/25/1981 | EP0040408A1 Beta-lactam compounds and process for production thereof |
| 11/24/1981 | US4302391 Oxacephalosporin antibiotic intermediates |
| 11/18/1981 | EP0039967A1 Solvate of amoxicillin, process for the preparation thereof and process for the preparation of injectable preparations from this solvate |
| 11/17/1981 | US4301074 6-(1'-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid |
| 11/17/1981 | US4301072 Reacting a silylated 6-amino-penicillanic acid with an amide type dane salt |
| 11/17/1981 | CA1112569A1 Methods for preparation of new penicillin esters |
| 11/11/1981 | EP0039477A1 Use of 1,3-Dioxolen-2-one derivatives |
| 11/10/1981 | US4299966 Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pigment form |
| 11/10/1981 | CA1112239A1 Method for producing bis-penicillanoyloxy-alkanes |
| 11/04/1981 | EP0039086A2 Novel ampicillin esters and production thereof |
| 10/27/1981 | US4297279 Chemical intermediate for modified a-aminopenicillins and -cephalosporins |
| 10/27/1981 | CA1111413A1 PROCESS FOR THE PREPARATION OF A [D-.alpha.-AMIDO-(P- HYDROXYPHENYL)-ACETAMIDO] GROUP CONTAINING PENICILLANIC ACID AND CEPHALOSPORANIC ACID DERIVATIVES |
| 10/20/1981 | US4296236 Antibiotics |
| 10/20/1981 | US4296032 Method for the preparation of penicillanic-β-lactamase inhibitors |
| 10/20/1981 | CA1111022A1 Sulfur analogs of penicillins and cephalosporins |
| 10/14/1981 | EP0037729A2 Process for penicillin epimerization |
| 10/13/1981 | US4294827 Antibacterial and growth promoting β-lactam antibiotics carrying an -ylidene-2-pyrrolidinon-1-yl radical |
| 10/07/1981 | EP0037373A1 Process for the elimination of alkyl and alkenyl groups |
| 10/06/1981 | US4293560 Talampicillin 2-methoxyphenoxyacetate and pharmaceutical compositions containing it |
| 10/06/1981 | US4293555 6- and 6,6-Disubstituted-2-substituted-oxapen-2-em-3-carboxylic acids |
| 10/06/1981 | US4293495 Symmetrical azetidinone aldehyde disulfides and process |
| 10/06/1981 | US4293493 Azetidinone alcohol disulfides and process for cyclization |
| 10/06/1981 | US4293462 3-acylamino-4-thio-2-oxoazetidin-1-yl/-amino crotonic acids |
| 09/29/1981 | CA1109859A1 Thiooxime cephalosporin and penicillin derivatives |
| 09/22/1981 | US4290948 Process for their preparation of β-lactam antibacterial agents |
| 09/15/1981 | US4289775 Penicillins |
| 09/09/1981 | EP0035188A1 2-Penem compounds, pharmaceutical compositions containing them and methods for their preparation |
| 09/08/1981 | US4288366 Method of preparation of 5,6-dehydropenicillins |
| 09/08/1981 | CA1108603A1 Heteromonocyclic and heterobicyclic derivatives of unsaturated 7-acylamido-3-cephem-4-carboxylic acid and process for their preparation |
| 09/01/1981 | US4287181 Derivatives of 6β-hydroxyalkylpenicillanic acids as β-lactamase inhibitors |
| 08/25/1981 | US4285960 Penicillin compositions |
| 08/11/1981 | US4283531 Hydroxyalkylation |
| 08/11/1981 | US4283402 6-N-Heterocyclyl-3-tetrazolyl-penicillins |
| 08/11/1981 | CA1106838A1 6-(2,3-dihydro-5-benzofuranyl) acetamido penicillin derivatives |
| 08/05/1981 | EP0033066A2 Penicillin derivatives, intermediates for their preparation, pharmaceutical compositions containing them, their preparation and their use |
| 08/04/1981 | US4282236 β-Lactam antibacterial agents, their use in pharmaceutical compositions, and intermediates |
| 08/04/1981 | US4282150 Chemical intermediates for penicillins and cephalosporins |
| 08/04/1981 | US4282149 Carbon and oxygen analogs of penicillin |
| 08/04/1981 | US4282145 Process for the preparation of azetidines |
| 08/04/1981 | CA1106358A1 Process for the manufacture of penicillins and cephalosporins |
| 07/15/1981 | EP0031951A1 Formyl derivatives of hydrazinomethylpenicillins, process for their preparation and pharmaceutical compositions containing these compounds |
| 07/14/1981 | US4278792 Method of producing derivatives of 6-β-amidinopenicillanic acid |
| 07/14/1981 | US4278681 Antibacterial amide compounds and means for using the same |
| 07/14/1981 | US4278600 Carbonation, acid acceptors, silation |
| 07/08/1981 | EP0031509A1 Penem derivatives |
| 06/30/1981 | US4276285 Synergistic bactericides |
| 06/30/1981 | CA1104126A1 Method for producing derivatives of penicillanic acid |
| 06/25/1981 | WO1981001707A1 Novel process for the preparation of 6-aminopenicillanic acid-1,1-dioxide and its salts |
| 06/24/1981 | EP0030771A1 Novel process for the preparation of 6-aminopenicillanic acid-1,1-dioxide and its salts |
| 06/16/1981 | US4273932 4-Hydroxy-5,6,7,8-tetrahydroquinoline-3-carboxylic acids and derivatives |
| 06/16/1981 | US4273709 Process for the preparation of thienamycin and intermediates |
| 06/16/1981 | CA1103237A1 Unsaturated derivatives of 7-acylamido-3-cephem-4- carboxylic acid and process for their preparation |
| 06/10/1981 | EP0029909A1 Process for the preparation of acid amides, use of the process and morpholino-ethyl isocyanide |
| 06/10/1981 | EP0029871A1 6-Alpha-methoxy penicillin derivatives, process for their preparation and pharmaceutical compositions comprising them |
| 06/09/1981 | US4272542 Use of di-sodium and di-potassium salts of dicarboxylic amino acids and tri- or di-sodium or potassium phosphate tartrate or citrate to improve the taste of in vivo hydrolysable esters of α-amino penicillins and cephalosporins |
| 06/09/1981 | US4272439 6-(Substituted-hydroxymethylene penams) |
| 06/09/1981 | US4272438 Silylating, acylation |
| 06/09/1981 | US4272437 Penicillins |
| 06/09/1981 | CA1102791A1 Method for producing cephem compounds |
| 06/03/1981 | EP0029668A1 Pharmaceutical injectable composition and two-pack container for said composition |
| 06/02/1981 | US4271296 Oxazolines |
| 06/02/1981 | US4271295 Oxazolines |
| 06/02/1981 | US4271173 6-Amino-spiro[penam-2,4'-piperidine]-3-carboxylic acid, antibacterial compositions thereof and method of use thereof |
| 06/02/1981 | US4271172 Penicillins |
| 06/02/1981 | CA1102311A1 Penicillin compounds and process for preparation thereof |
| 06/02/1981 | CA1102308A1 Carbon and oxygen analogs of cephalosporins |
| 05/26/1981 | US4269773 Fused oxazolidine compounds |