| 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) |
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| 10/31/1979 | EP0004938A1 Process for the preparation of semisynthetic beta-lactam antibiotics |
| 10/30/1979 | US4172942 7-[(Substituted-thiomethyl)phenyl]acetamidocephalosporin derivatives |
| 10/30/1979 | US4172941 7-[2-[ω-(1,3-Dithiolan-2-imino)substituted]-acetylamino]cephalosporanic acid derivatives |
| 10/30/1979 | US4172892 Heteromonocyclic and heterobicyclic derivatives of unsaturated 7-acylamido-3-cephem-4-carboxylic acid |
| 10/30/1979 | US4172891 Antibiotics |
| 10/30/1979 | CA1065304A1 PROCESS FOR PREPARING 7.beta.-ACYLAMINO-7.alpha.-ALKOXYCEPHALOSPORINS |
| 10/23/1979 | US4172198 7-(N-substituted-2-phenylglycinamido)-3-substituted-3-cephem-4-carboxylic acid compounds and preparation thereof |
| 10/23/1979 | US4172197 Cephalosporin derivatives and process for preparing the same |
| 10/23/1979 | US4172196 Certain 7-α-substituted-α-hydroxyacetamido-3-(1-carboxymethyltetrazol-5-yl-thiomethyl)-3-cephem-4-carboxylic acids |
| 10/23/1979 | CA1064909A1 Preparation of 3-methoxymethylcephalosporins |
| 10/17/1979 | EP0004740A2 A penicillin salt, process for its preparation and pharmaceutical compositions containing it |
| 10/17/1979 | EP0004590A1 Penicillin and cephalosporin derivatives, processes for their preparation and their applications |
| 10/17/1979 | EP0004570A1 Thiol esters, process for their preparation, pharmaceutical compositions containing them and a process for preparing cephalosporin compounds using the same |
| 10/16/1979 | US4171435 [(Thioalkyl)thioacetyl)]cephalosporin derivatives |
| 10/16/1979 | US4171434 7-[(Pyridylthiomethyl)phenyl]acetamidocephalosporin derivatives |
| 10/16/1979 | US4171433 7-Amino-3-(sulfaminoalkyl substituted tetrazolylthiomethyl)cephalosporin intermediates for preparing 7-acylamino cephalosporins |
| 10/16/1979 | US4171368 7-Acylamino-3-(sulfaminoalkyl substituted tetrazolylthiomethyl)cephalosporins, antibacterial compositions containing them and methods of treating bacterial infections with them |
| 10/16/1979 | US4171362 7-Acylamino-3-(sulfaminoalkyl substituted tetrazolylthiomethyl)cephalosporins antibacterial compositions containing them and methods of treating bacterial infections with them |
| 10/16/1979 | US4171303 Process for the preparation of reactive penicillanic acid and cephalosporanic acid derivatives |
| 10/16/1979 | CA1064478A1 7-methoxycephalosporin derivatives |
| 10/09/1979 | CA1064020A1 .beta.-LACTAM ANTIBIOTICS AND PROCESSES FOR THEIR PREPARATION AND USE |
| 10/09/1979 | CA1064019A1 Cepham derivatives and preparation thereof |
| 10/02/1979 | US4169947 7β-[[[2-Acylamino]-1,2-dioxoethyl]amino]acyl cephalosporins |
| 10/02/1979 | US4169946 Reactions of thiooxime cephalosporin and penicillin derivatives |
| 09/25/1979 | CA1063102A1 7-METHOXY-7-.alpha.-UREIDO(THIENYL AND FURYL) ACETAMIDOCEPHALOSPORINS |
| 09/18/1979 | US4168376 Hydrolysis of o-formyl ester in methanol |
| 09/18/1979 | US4168375 Process for the recovery of cephalosporin C and derivatives thereof |
| 09/18/1979 | US4168309 Cephalosporins having a 7-(carboxy substituted α-etherified oximinoarylacetamido) group |
| 09/18/1979 | CA1062701A1 Cephalosporins |
| 09/18/1979 | CA1062654A1 Process for preparing 3-methylene cephalosporins |
| 09/04/1979 | CA1061779A1 Cephalosporin esters |
| 08/28/1979 | US4166178 3-acyloxymethyl-cephem compounds |
| 08/28/1979 | US4166115 Syn 7-oxoimino substituted derivatives of cephalosporanic acid |
| 08/28/1979 | CA1061331A1 Penicillins and cephalosporins and process for producing the same |
| 08/28/1979 | CA1061330A1 Process for the acylation of 6-aminopenicillanic (6-apa), 7-aminocephalosporanic (7-aca) and 7-aminodesacetoxycephalosporanic (7-adca) acids and their derivatives |
| 08/21/1979 | US4165430 High activity against gramnegative bacteria |
| 08/21/1979 | US4165429 7α-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES |
| 08/21/1979 | US4165373 7-(α-Acylamino-α-phenyl or thienylacetamido) cephalosporin derivatives |
| 08/21/1979 | US4165316 Reacting an n-chloro halogenation agent in the presence of calcium oxide and an alkylene oxide |
| 08/21/1979 | US4165315 Sulfinyl halides and their preparation from penicillin sulfoxides |
| 08/21/1979 | CA1060886A1 METHOD OF PURIFYING THE ANTIBACTERIAL AGENT 7-(D-.alpha.-AMINO-.alpha.-P-HYDROXY-PHENYL)ACETAMIDO)-3-(1,2,3-TRIAZOL-5-YLTHIOMETHYL)-3-CEPHEM-4-CARBOXYLIC ACID |
| 08/14/1979 | CA1060434A1 Process for producing amino compounds |
| 08/14/1979 | CA1060433A1 Process for the preparation of cephalosporins |
| 08/14/1979 | CA1060432A1 7 .alpha. METHOXYCEPHALOSPORIN DERIVATIVES |
| 08/08/1979 | EP0003329A1 Cephalexin-amide complex, process for its production and use in cephalexin-monohydrate production |
| 08/07/1979 | CA1059991A1 CEPHALOSPORINS HAVING A 7-(CARBOXY SUBSTITUTED .alpha.-ETHERIFIED OXIMINOARYLACETAMIDO) GROUP |
| 08/07/1979 | CA1059990A1 7 .alpha.-ALKOXYCEPHALOSPORIN DERIVATIVES AND THEIR PREPARATION |
| 08/07/1979 | CA1059989A1 Cephamycins |
| 08/07/1979 | CA1059988A1 Process for the manufacture of enol derivatives |
| 07/31/1979 | CA1059503A1 PROCESS FOR PREPARING ALKOXYLATED DERIVATIVES OF .beta.-LACTAM ANTIBIOTICS |
| 07/25/1979 | EP0003115A1 Penicillins, per se and for use as antibacterially active antibiotics and their production |
| 07/24/1979 | US4162360 Antibiotics |
| 07/24/1979 | US4162314 Antibiotics |
| 07/24/1979 | US4162251 Reaction of sulfenyliminocephem compound or sulfenyliminopenam compound with an alcohol in presence of a base |
| 07/24/1979 | CA1059118A1 PREPARATION OF .beta.-LACTAM ANTIBIOTICS |
| 07/24/1979 | CA1059117A1 Process for production of amino compounds |
| 07/17/1979 | US4161527 Antibiotic compositions |
| 07/17/1979 | US4161476 Penicillin and cephalosporin intermediates |
| 07/11/1979 | EP0002774A1 Process for acylating 7aminocephem derivatives |
| 07/11/1979 | EP0002765A1 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions and their preparation |
| 07/10/1979 | US4160863 Antibiotic |
| 07/10/1979 | US4160829 Antibacterial 1,2,4-oxadiazolylacetamido cephalosporins |
| 07/03/1979 | US4160091 2-halomethylpenams, halogenation of azetidinone mercuric sulfides |
| 07/03/1979 | US4160087 Bactericides |
| 07/03/1979 | US4160086 3-Heterocyclicthio-7-α-carboxy 2-aryl acetamido cephalosporanic acid |
| 07/03/1979 | US4160085 Cyclization to form cephem ring and intermediates therefor |
| 07/03/1979 | CA1057740A1 3-heterothio (alkoxycarbonyl and alkoxythiocarbonyl)-thioacetyl) cephalosporin derivatives |
| 07/03/1979 | CA1057739A1 Pyridinylthiomethyl derivatives of cyanomethylthioacetyl cephalosporins |
| 07/03/1979 | CA1057738A1 (((alkylthiocarbonyl)oxy) acetyl) cephalosporins |
| 06/27/1979 | EP0002605A1 Cephalosporin compounds and formulations containing them for use in the treatment of bacterial infections and the preparation of the cephalosporin compounds |
| 06/27/1979 | EP0002586A1 Method for removing a halogenoacetyl protective group from a halogenoacetyl amino compound |
| 06/26/1979 | US4159373 7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thiomethyl) cephalosporins |
| 06/26/1979 | US4159372 Process for preparing cephalosporin esters in the presence of liquid sulfur dioxide |
| 06/26/1979 | US4159327 Cephalosporin derivatives, compositions and method of use |
| 06/26/1979 | US4159272 From penicillin sulfoxide esters, chlorination using an n-chloroimide |
| 06/26/1979 | US4159267 Novel silyl ester azetidine-2-sulfenate intermediates and process for preparing desacetoxycephalosporins |
| 06/26/1979 | US4159266 Method of preparation of 3-methylenecephams |
| 06/26/1979 | CA1057284A1 Process for preparing cephalosporins and intermediates |
| 06/26/1979 | CA1057283A1 3-carbamoyloxymethyl-7-(2-(fur-2-yl)-2-methoxyiminoacetamido) ceph-3-em-4-carboxylic acid |
| 06/26/1979 | CA1057282A1 Process for making cephalosporins |
| 06/19/1979 | US4158733 Antibacterial activity |
| 06/19/1979 | US4158657 Thiooxime penicillin derivatives |
| 06/19/1979 | CA1056816A1 Process for the conversion of 6-aminopenicillanic acid (6-apa) in 7-aminodesacetoxycephalosporanic acid (7-adca) |
| 06/19/1979 | CA1056815A1 Alkyl and heterothio derivatives of alkyl o or s carbonyl thioacetyl cephalosporins |
| 06/19/1979 | CA1056814A2 Formyl-(p-acyloxyphenyl) acetamidocephalosporanic acid derivatives |
| 06/19/1979 | CA1056813A2 .alpha.-AMINO- (P-ACYLOXYPHENYL) ACETAMIDOCEPHALOSPORANIC ACID DERIVATIVES |
| 06/19/1979 | CA1056812A1 7a-methoxycephalosporin compounds |
| 06/12/1979 | CA1056373A1 6-acrylamidopenicillins and 7-acrylamidocephalosporins |
| 06/12/1979 | CA1056372A1 Method of preparation of 3-methylenecephams |
| 06/05/1979 | CA1055925A1 N-formylcephalosporin c and a process for preparing the same |
| 06/05/1979 | CA1055924A1 Methoxy-heterocyclic compounds containing aminomethyl groups |
| 05/30/1979 | EP0002128A1 Process for preparing azetidinone mercury sulfides |
| 05/29/1979 | US4156724 N-acylamino-alpha-arylacetamido cephalosporins and antibacterial compositions and methods containing them |
| 05/29/1979 | CA1055485A1 Process for preparing cephalosporins |
| 05/22/1979 | CA1055016A1 7.alpha.-LOWER ALKOXY-7.beta.-(2-ARYL-2-HYDROXYIMINOACETAMIDO) CEPH-3-EM-4-CARBOXYLIC ACIDS |
| 05/16/1979 | EP0001797A1 Process for the isolation of cephalosporin C, its salts and its derivatives, from culture media and solutions |
| 05/15/1979 | US4154927 Preparation of thiooxime cephalosporin |
| 05/15/1979 | US4154831 Cephalosporins having an α-acylaminoacetic acid side chain |
| 05/15/1979 | US4154830 Unsaturated derivatives of 7-acylamido-3-cephem-4-carboxylic acid |
| 05/08/1979 | US4153693 1,4-Dihydro-4-oxo-pyridylacetamido cephalosporins and their utilization as medicinal agents for combating bacterial infections |