| 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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| 05/26/1981 | US4269771 Total synthesis of 7-oxo-4-thia-1-azabicyclo-[3,2,0]-heptane-2-carboxyl derivatives useful as β-lactamase inhibitors and antibacterial agents |
| 05/26/1981 | CA1101841A1 Amino-spiro¬oxa(or thia) cycloalkane-penam| - carboxylic acid derivatives |
| 05/20/1981 | EP0028803A1 New penicillanic and cephalosporanic derivatives, preparation thereof and pharmaceutical compositions containing same |
| 05/19/1981 | CA1101411A1 Amino-spiro ¬oxa(or thia) cycloalkane-penam|- carboxylic acids |
| 05/19/1981 | CA1101348A1 Activation of immobilized living microorganisms |
| 05/12/1981 | US4267340 Disulfide substituted oxazetidine derivatives |
| 05/12/1981 | US4267273 Enzyme preparation having affinity for water-immiscible liquids |
| 05/12/1981 | US4267180 Penicillins and derivatives |
| 05/12/1981 | US4267174 Immune-stimulating and cancerostatic 1-acyl-2-cyanoaziridines |
| 05/05/1981 | US4265882 Sulphur analogs of penicillins having a nucleophile substituted in the 6 and 7 position, respectively |
| 05/05/1981 | CA1100484A1 PROCESS FOR THE PREPARATION OF HYDROXY-.alpha.-AMINO- BENZYL PENICILLIN |
| 05/05/1981 | CA1100483A1 Isothiourea substituted cephalosporin derivatives |
| 04/28/1981 | US4264595 7-[2-(2-Imino-4-thiazolin-4-yl)-2-(syn)-hydroxy-iminoacetamido]-cephalosporins |
| 04/21/1981 | US4263302 Antibiotics effective against pseudomonas |
| 04/15/1981 | EP0027010A1 Process for the preparation of penam derivatives |
| 04/15/1981 | EP0026816A1 Intermediates for the preparation of thienamycin and process for preparing intermediates |
| 04/15/1981 | EP0026811A1 Cephalosporin derivatives |
| 04/14/1981 | US4262129 Preparation of a 3-thienylmalonic acid and the corresponding diesters |
| 04/08/1981 | EP0026644A1 Ortho-tolyl ester of an alpha-carboxy penicillin, process for its preparation and pharmaceutical compositions comprising the penicillin |
| 04/07/1981 | US4260625 Penicillins |
| 04/07/1981 | US4260618 Antibiotics |
| 04/07/1981 | US4260598 Administering 6-aminopenicillanic acid 1,1-dioxide or esters thereof |
| 04/07/1981 | CA1098899A2 Carbon analogs |
| 03/18/1981 | EP0025233A1 Method for purification of 6-(D-2-(D-2-amino-3-N-methylcarbamoylpropionamido)-2-p-hydroxyphenylacetamido)-penicillanic acid |
| 03/17/1981 | US4256733 Acetoxymethyl penam compounds as β-lactamase inhibitors |
| 03/17/1981 | CA1097615A2 Intermediate of the preparation of carbon and oxygen analogs |
| 03/17/1981 | CA1097614A1 Process for the production of novel antibacterial amide compounds |
| 03/10/1981 | US4255330 Process for preparing 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acid |
| 03/03/1981 | US4254029 Process for preparing β-lactam antibiotics |
| 02/24/1981 | US4252973 Process for chemically removing the acyl sidechain from cephalosporins and penicillins |
| 02/17/1981 | US4251657 Deacylation of a halogenoacetylamino compound using an n-substituted dithiocarbamic acid |
| 02/17/1981 | US4251524 β-Lactam antibiotics |
| 02/17/1981 | US4251442 Method for synthesis of penicillin |
| 02/11/1981 | EP0023887A2 3-Substituted bicyclic azetidinone derivatives, process for their preparation, and intermediates as well as their preparation |
| 02/10/1981 | US4250307 N-substituted derivatives of cephalosporin extracted and cleaved |
| 02/03/1981 | US4248966 From tripeptides in cephalosporium extract |
| 02/03/1981 | US4248780 From 6-aminopenicillanic acid by silylation, acylation, hydrolysis |
| 02/03/1981 | CA1095025A1 Process for preparing 2-acyloxymethylpenams and 3- acyloxy-cephams |
| 01/28/1981 | EP0023093A1 Penicillanic acid derivatives, their preparation and their pharmaceutical compositions with a penicillin or cephalosporin |
| 01/28/1981 | EP0023045A1 Imidazolecarboxylic acid derivatives of penicillins and cephalosporins |
| 01/27/1981 | US4247461 Reaction with a penicillin or cephalosporin in an anhydrous solvent containing a base |
| 01/27/1981 | CA1094548A1 Antibacterial phosphonopenams and a process for the production |
| 01/21/1981 | EP0022494A1 Beta-lactam-compounds, process for their preparation and therapeutic agents containing them |
| 01/20/1981 | US4246262 Antibiotics |
| 01/14/1981 | EP0022326A1 Process for chemically removing the acyl sidechain from cephalosporins and penicillins |
| 01/13/1981 | US4244951 Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide |
| 01/13/1981 | US4244885 Intermediates for preparation of cephalosporins and penicillins |
| 01/13/1981 | US4244870 Dimethyl sulfoxide adducts of penicillins |
| 01/13/1981 | CA1093551A1 Penicillins |
| 01/07/1981 | EP0021644A1 A salt of 3-thienylmalonic acid and a process for the preparation of 3-thienylmalonic acid |
| 12/23/1980 | US4241062 Antibacterial penicillins |
| 12/23/1980 | US4241056 Penicillins and salts thereof |
| 12/23/1980 | US4241050 Penam 1,1-dioxides as beta-lactamase inhibitors |
| 12/23/1980 | US4240960 Trimethylsilyl substituted penicillins |
| 12/02/1980 | US4237051 Stereospecific production of 6- or 7-carbon-substituted-β-lactams |
| 12/02/1980 | CA1090806A1 Oxazolines |
| 11/26/1980 | EP0019410A1 Process for the preparation of penicillin derivatives |
| 11/26/1980 | EP0019409A1 Process for the preparation of penicillin derivatives and compounds so obtained |
| 11/26/1980 | EP0019345A1 Process for the preparation of a (D-alpha-amino-(p-hydroxyphenyl)-acetamido) group containing cephalosporanic acid derivatives |
| 11/26/1980 | EP0019067A1 5,10-Dioxo-5,10-dihydrodiimidazo(1,5-a,1',5'-d)pyrazine-1,6-dicarboxylic acid and a process for producing imidazoledicarboxylic acid amido-derivatives |
| 11/25/1980 | US4235774 Penicillin derivatives |
| 11/25/1980 | CA1090290A1 5,6-dehydropenicillins, method of preparation and intermediates obtained thereby |
| 11/18/1980 | US4234579 Penicillanic acid 1,1-dioxides as β-lactamase inhibitors |
| 11/18/1980 | US4234578 Aminoethyl-methoxy-cephalosporin compounds |
| 11/12/1980 | EP0018546A2 Process for the production of phenylglycyl chloride hydrochlorides |
| 11/11/1980 | CA1089383A1 Process for preparing 6-aminopenicillanic acid |
| 11/04/1980 | US4231954 Dane salt and process for preparing aminopenicillins therefrom |
| 11/04/1980 | US4231928 Antibacterial agents |
| 11/04/1980 | US4231927 Hydrazono penicillin derivatives |
| 10/29/1980 | EP0018305A1 Oxapenem derivatives, their preparation, their use, pharmaceutical compositions containing them, diverse initial compounds and their preparation |
| 10/28/1980 | US4230849 Conversion to amides and esters |
| 10/28/1980 | US4230804 Adsorbed on divinylbenzene-methacrylic acid copolymer, crosslinked with an aldehyde |
| 10/28/1980 | US4230644 Derived from triaryl phosphites and chlorine or bromine |
| 10/28/1980 | US4230620 Process for preparing penicillin sulfoxides |
| 10/21/1980 | US4229443 Derivatives of penicillanic acid |
| 10/21/1980 | US4229349 Production of semi-synthetic β-lactam antibiotics |
| 10/21/1980 | US4229348 Penicillanic acid derivatives |
| 10/15/1980 | EP0017425A1 N-Acyl-6-aminopenicillanic acid derivatives, their use as beta-lactamase deactivators, and compositions containing them and beta-lactam antibiotics |
| 10/15/1980 | EP0017419A1 Process for preparing penicillin sulfoxides |
| 10/15/1980 | EP0016900A1 Intermediates in the preparation of cephalosporin derivatives, process for their preparation and use |
| 10/07/1980 | US4226769 Freeze drying |
| 10/07/1980 | CA1087170A1 N-substituted aminomethyl-methoxy-heterocyclic compounds |
| 10/01/1980 | EP0016374A1 Penicillins, their salts, process for their preparation and therapeutic agents containing these compounds |
| 09/23/1980 | CA1086309A1 1-acyl-2-cyanoaziridines and the preparation thereof |
| 09/17/1980 | EP0015773A2 N-(6-((acylaminoacylamino or aminoacylamino)phenyl) 1,2-dihydro-2-oxonicotinyl)penicillin compounds, processes for their production and compositions containing them |
| 09/17/1980 | EP0015690A1 Penicillin derivatives, process for their preparation and pharmaceutical composition comprising them |
| 09/16/1980 | US4223133 Cephalosporin reduction process |
| 09/16/1980 | US4223132 Treating with lewis acid |
| 09/16/1980 | US4223037 Animal growth promoter, bactericides, penicillins |
| 09/16/1980 | US4222939 Freeze drying in a solution of water and a secondary or tertiary butanol or pentenol |
| 09/03/1980 | EP0015079A1 Halogenating compounds and a process for their production |
| 09/02/1980 | US4220766 Oxazolines |
| 09/02/1980 | US4220587 Amino acid derivatives of 6-(2-amino-2-arylacetamido)penicillanic acids |
| 08/26/1980 | US4219554 Novel penicillins and cephalosporins and process for producing same |
| 08/26/1980 | US4219495 Methoxymethyl p-toluenesulfonate |
| 08/26/1980 | US4219477 Penicillin derivatives |
| 08/26/1980 | US4219462 6-Methyl penicillins |
| 08/20/1980 | EP0014651A1 Talampicillin 2-methoxyphenoxy acetate, process for its preparation and medicaments containing it |
| 08/20/1980 | EP0014567A1 Processes for preparation of beta-lactam compounds |
| 08/20/1980 | EP0014263A2 Method of improving the solubility of biologically active agents in water and in lower aliphatic alcohols, and compounds having an improved solubility |