| 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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| 03/10/1981 | US4255423 Cephalosporin compounds |
| 03/10/1981 | CA1097341A1 Method of preparing a rapidly dissolving powder of sterile crystalline cefozolin sodium for parenteral administration |
| 03/10/1981 | CA1097340A1 No translation available |
| 03/04/1981 | EP0024347A1 Organic sulfoxides having a latent allyl group, process for preparing the same and pharmaceutical enzyme inhibiting composition comprising the same |
| 03/03/1981 | US4254260 3-Substituted-7-substituted alkanamido-3-cephem-4-carboxylic acid compounds |
| 03/03/1981 | US4254119 3-Unsubstituted-3-cephem compounds |
| 03/03/1981 | US4254117 Bactericides |
| 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 |
| 02/24/1981 | US4252952 7-(α-Substituted glycinamido)-3-substituted methyl-3-cephem-4-carboxylic acids and their derivatives |
| 02/24/1981 | US4252951 Isolation of syn-7-(2-amino-4-thiazolyl)-(methoxyimino)acetamido-3-acetoxymethyl-3-cephem-4-carboxylic acid |
| 02/24/1981 | US4252950 3-Halo cephalosporins |
| 02/24/1981 | US4252802 Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins |
| 02/24/1981 | CA1096373A1 Ureido substituted cephalosporin antibiotics |
| 02/17/1981 | US4251657 Deacylation of a halogenoacetylamino compound using an n-substituted dithiocarbamic acid |
| 02/17/1981 | US4251524 β-Lactam antibiotics |
| 02/10/1981 | US4250307 N-substituted derivatives of cephalosporin extracted and cleaved |
| 02/04/1981 | EP0023453A1 Process for the preparation of derivatives of 7-(2-aryl)-2-hydroxyimino-acetamido cephalosporanic acid |
| 02/03/1981 | US4248868 For treating systemic infections by grampositive and gram negative bacteria |
| 02/03/1981 | CA1095026A2 Cyclization to form cephem ring and intermediates therefor |
| 02/03/1981 | CA1095025A1 Process for preparing 2-acyloxymethylpenams and 3- acyloxy-cephams |
| 01/28/1981 | EP0023045A1 Imidazolecarboxylic acid derivatives of penicillins and cephalosporins |
| 01/27/1981 | US4247548 7α-Methoxycephalosporin derivatives and their pharmaceutical compositions having antibacterial activity |
| 01/27/1981 | US4247461 Reaction with a penicillin or cephalosporin in an anhydrous solvent containing a base |
| 01/27/1981 | CA1094547A1 Preparation process of 3-carbamoyloxymethyl 7-(amino thyazolyl acetamido) cephalosporanic acid derivatives |
| 01/27/1981 | CA1094546A1 Process for the preparation of derivatives of 7-amino thiazolyl acetamido cephalosporanic acid |
| 01/27/1981 | CA1094545A1 Cephalosporin antibiotics |
| 01/21/1981 | EP0022494A1 Beta-lactam-compounds, process for their preparation and therapeutic agents containing them |
| 01/20/1981 | US4246405 7-substituted-3-organic sulfonyloxy-3-cephem-4-carboxylate subjected to hydrogenolysis to from the 7-substituted-3-cephem-4-carboxylic acid |
| 01/20/1981 | CA1094085A1 Azetidinone mercury sulfides and process therefor |
| 01/20/1981 | CA1093997A1 Process of producing 7-methoxy cephalosporins |
| 01/14/1981 | EP0022326A1 Process for chemically removing the acyl sidechain from cephalosporins and penicillins |
| 01/14/1981 | EP0022245A2 Aminothiadiazolyl derivatives, process for their preparation, pharmaceutical compositions containing them;starting compounds and process for their preparation |
| 01/13/1981 | US4245107 Antibiotics |
| 01/13/1981 | US4245088 Novel 3-acyloxymethyl-cephem compounds useful as intermediates for preparing cephalosporin antibiotics |
| 01/13/1981 | CA1093550A1 Cephalosporin derivatives |
| 01/13/1981 | CA1093549A1 Cephalosporin antibiotics |
| 01/13/1981 | CA1093548A1 Process for preparation of 3-halomethylcephems |
| 01/07/1981 | EP0021688A1 7-(Thiazolylpropionamido) cephalosporins, their preparation, and pharmaceutical compositions containing them |
| 01/07/1981 | EP0021176A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them |
| 01/06/1981 | US4243810 3,5-dichloro-4-pyridone-1-acetic acid; a cephalosporin-derivative intermediate |
| 01/06/1981 | US4243803 Hydrogenation of the 2-azido derivative using an amine-borane complex and raney nickel |
| 01/06/1981 | CA1093068A1 Cephalosporin antibiotics |
| 12/30/1980 | US4242510 Cephalosporin compounds and processes for the preparation thereof |
| 12/30/1980 | US4242509 The 7-imminohalide reacted with a primary lower alkanol or deuterated methanol |
| 12/23/1980 | US4241057 Cephalosporins |
| 12/23/1980 | US4240988 Method of stabilization of kinetically controlled triaryl phosphite-halogen compounds |
| 12/23/1980 | CA1092096A1 Oxygen analogs of cephalosporins |
| 12/23/1980 | CA1092095A1 3-acyloxymethyl-cephem compounds |
| 12/16/1980 | US4239758 Bactericides |
| 12/10/1980 | EP0019739A1 2-Aminoalkyl-5-pyridinoles, process for their preparation and pharmaceutical preparations containing them |
| 12/09/1980 | US4238608 Antibiotics |
| 12/02/1980 | US4237298 Aromatic acetic acid derivatives having sulfur atom at alpha-position and process for their preparation |
| 12/02/1980 | US4237280 Intermediate for cephalosporin type compound |
| 12/02/1980 | US4237279 Antibiotics |
| 12/02/1980 | US4237128 7-[2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1,1-dialkyl)alkoxyimino]acetamido]cephem sulfoxides |
| 12/02/1980 | US4237051 Stereospecific production of 6- or 7-carbon-substituted-β-lactams |
| 11/26/1980 | EP0019401A1 Process for preparing enamine derivatives, compounds so produced and process for preparing a 3-hydroxy-cephalosporin |
| 11/26/1980 | EP0019387A1 Thiazolinoazetidinone compounds useful as intermediates for preparing cephalosporins and a process for their preparation |
| 11/26/1980 | EP0019345A1 Process for the preparation of a (D-alpha-amino-(p-hydroxyphenyl)-acetamido) group containing cephalosporanic acid derivatives |
| 11/26/1980 | EP0019308A1 Tetrazole derivatives and a process for their preparation |
| 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 | US4236002 Antibiotics |
| 11/25/1980 | US4236001 7β-Acyloxy-3-heterocyclicthiomethyl cephalosporins |
| 11/25/1980 | CA1090331A1 Process for the manufacture of heterocyclic compounds containing an alkylsulphonylamino group |
| 11/18/1980 | US4234721 Process for the preparation of the crystalline monohydrate of 7-[D-amino-(p-hydroxyphenyl]acetamido)-3-methyl-3-cephen-4-carboxylic acid |
| 11/18/1980 | US4234578 Aminoethyl-methoxy-cephalosporin compounds |
| 11/18/1980 | CA1089848A1 Arylmalonamido methoxycephalosporins |
| 11/12/1980 | EP0018669A1 1-(2-Sulfamoylaminoethyl)-1,4-dihydro-5H-tetrazole-5-thione and its salts |
| 11/12/1980 | EP0018595A2 7-N-Heterocyclyl cephalosporins, a process for preparing and a pharmaceutical composition comprising the same |
| 11/11/1980 | CA1089447A2 Sodium cefamandole crystalline forms |
| 11/11/1980 | CA1089446A2 Sodium cefamandole crystalline forms |
| 11/11/1980 | CA1089445A1 3-cephem derivatives |
| 11/11/1980 | CA1089444A1 Unsaturated aliphatic halogenated heterocyclic compounds |
| 10/29/1980 | EP0018001A2 Chromophoric cephalosporin derivatives, process for their preparation and their utilisation, compositions containing them and their preparation |
| 10/28/1980 | US4230849 Conversion to amides and esters |
| 10/28/1980 | US4230644 Derived from triaryl phosphites and chlorine or bromine |
| 10/28/1980 | CA1088519A1 Diazole and tetrazole derivatives of cyanomethylthioacetylcephalosporins |
| 10/28/1980 | CA1088518A1 Cyanomethylthioacetylcephalosporins |
| 10/28/1980 | CA1088517A1 3-heterothiomethyl ureido cephalosporins |
| 10/21/1980 | US4229575 Antibiotics |
| 10/21/1980 | US4229574 Indole cephalosporin derivatives |
| 10/21/1980 | US4229573 7α-Methoxycephalosporin derivatives |
| 10/21/1980 | US4229363 Intermediates for cephalosporin and penicillin derivatives |
| 10/21/1980 | US4229349 Production of semi-synthetic β-lactam antibiotics |
| 10/21/1980 | CA1088049A1 3-substituted-7-substituted alkanamido-3-cephem-4- carboxylic acid compounds and processes for preparation thereof |
| 10/15/1980 | EP0017238A1 Cephalosporin derivatives and process for their preparation and pharmaceutical compositions containing them |
| 10/15/1980 | EP0017170A1 Improved process for the preparation of cephamycin antibiotics |
| 10/15/1980 | EP0016900A1 Intermediates in the preparation of cephalosporin derivatives, process for their preparation and use |
| 10/07/1980 | US4226986 7-acylamino-3-hydroxy-3-cephem compound, triaryl phosphite dihalide |
| 10/07/1980 | US4226864 7-Substituted aminoacetamido oxadethiacephalosporins |
| 10/07/1980 | US4226863 7-Methoxy cephalosporins |
| 10/07/1980 | US4226806 Chemical intermediates |
| 10/07/1980 | CA1087170A1 N-substituted aminomethyl-methoxy-heterocyclic compounds |
| 10/07/1980 | CA1087169A1 Process for converting 3-methylene cephalosporins to 3-heterothiomethyl cephalosporins |
| 10/01/1980 | EP0016725A1 Process for the preparation of 3-hydroxycepham compounds |
| 10/01/1980 | EP0016296A1 Cephalosporin derivatives, process for their preparation, compositions containing them, and intermediates and their preparation |
| 09/30/1980 | US4225707 2-Lower alkyl-7-substituted-2 or 3-cephem-4-carboxylic acid compounds |
| 09/30/1980 | US4225706 Polychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the same |
| 09/30/1980 | CA1086739A1 Mercury intermediates useful in the preparation of 2- alkoxy cephalosporins |