| 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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| 07/11/1978 | US4100344 Bactericides |
| 07/04/1978 | US4099206 Piezoelectric device responsive to optical image for generating an electrical signal |
| 07/04/1978 | US4099001 [[[Imidazolidinyl amino]carbonyl]amino]acetyl cephalosporin derivatives |
| 07/04/1978 | US4099000 Dehydration using silica gel, triethylamine base |
| 07/04/1978 | US4098999 Certain 2-substituted cephalosporins |
| 07/04/1978 | US4098888 Thiazolylacetamido cephalosporin type compounds |
| 06/27/1978 | US4097670 Antibiotics |
| 06/27/1978 | US4097595 7-Amino-thiazolyl acetamido cephalosporanic acids |
| 06/20/1978 | US4096330 7β-[[[(2-Cyanomethyl)amino]-1,2-dioxoethyl]amino]acyl cephalosporins |
| 06/20/1978 | US4096329 7-Cyanoalkylureido 3 heterocylic thio methyl cephalosporins |
| 06/20/1978 | US4096256 7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl) cephalosporins, antibacterial compositions containing them, and methods of treating bacterial infections using them |
| 06/13/1978 | US4095021 Cephalosporin antibiotics |
| 06/13/1978 | US4094979 Orally active cephalosporins |
| 06/13/1978 | US4094978 3-propenyl derivatives of cephalosporin, compositions and their use |
| 06/13/1978 | US4094872 7-(β-Aminoacylamino)-3-heterocyclic-thiomethyl-3-cephem-4-carboxylic acid derivatives |
| 06/06/1978 | US4093804 Antibiotics |
| 06/06/1978 | US4093803 Bactericides |
| 06/06/1978 | US4093802 Antibiotics |
| 06/06/1978 | US4093801 Bactericides |
| 06/06/1978 | US4093800 Process for preparing cepham compounds |
| 06/06/1978 | US4093723 Antibiotics |
| 06/06/1978 | US4093722 Antibiotics |
| 06/06/1978 | US4093625 6-Sulfur analogs of penicillins and cephalosporins |
| 05/30/1978 | USRE29650 Phthalide penicillin ester intermediates |
| 05/30/1978 | US4092480 Intermediates for preparing substituted phenylglycylcephalosporins |
| 05/30/1978 | US4092477 7β-[2-Etherified oximino-2-(phenyl- or naphthylacetamido)] cephalosporins |
| 05/30/1978 | US4092476 Antibiotics |
| 05/30/1978 | US4092475 Trifluoroalkylureido 3-heterocyclic thio methyl cephalosporins |
| 05/30/1978 | US4092474 Cephalosporins having a metaloxy group in 3-substituent |
| 05/30/1978 | CA1032157A1 Cephalosporin derivatives, preparation thereof and pharmaceutical compounds containing same |
| 05/23/1978 | US4091227 Protected α-amino-α-ureido(thioureido)phenylacetic acids |
| 05/23/1978 | US4091217 Antibiotics |
| 05/23/1978 | US4091216 4-Thio substituted-Δ2 cephalosporin intermediates |
| 05/23/1978 | US4091215 7-D-α-Amino-.alpha.-(p-acetoxyphenyl)acetamido-3-methyl-3-cephem-4-carboxylic acid |
| 05/23/1978 | US4091214 Alpha-hydroxy carboxylic acid |
| 05/23/1978 | US4091213 7-Cyclizedamino-3-heterothiomethyl cephalosporin derivatives |
| 05/23/1978 | US4091212 Antimicrobial |
| 05/23/1978 | US4091211 Antibiotics |
| 05/23/1978 | US4091210 Preparation of 3-alkyl-3-cephem-4-carboxylic acid compounds from dithio isopropenyl azetidine carboxylic compounds |
| 05/23/1978 | US4091209 Antibiotics, high lactamase resistance |
| 05/16/1978 | US4089955 7-β-[D-2-Amino-2-(1,4-cyclohexadienyl)-acetylamino]-3-Hal-3-cephem-4-carboxylic acids |
| 05/09/1978 | US4088816 Bactericides |
| 05/09/1978 | US4088815 3-Heterothio-7-ureido cephalosporins |
| 05/09/1978 | US4088761 Antibiotics |
| 05/09/1978 | CA1030952A1 Process for the preparation and use of 7-monochloracetamido, 3-desacetoxy, cephalosporanic acid derivatives |
| 05/02/1978 | US4087424 Novel penicillins and cephalosporins and process for producing the same |
| 04/25/1978 | US4086423 Cephalosporins, cycloaddition of glycine derivative to thiazine compound |
| 04/25/1978 | US4086422 Bactericides |
| 04/25/1978 | US4086341 Nitro substituted; antibiotic |
| 04/25/1978 | US4086340 Antibiotic; animal growth promoter |
| 04/18/1978 | US4085277 7(2-Phenyl or thienyl-2-isonicotinoyloxyacetamido)-3-(1-methyl-1-H tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid |
| 04/11/1978 | US4084049 Cepham derivatives |
| 04/11/1978 | US4083975 7-Acylamino-3-(3-sulfomethyl-1,2,4-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic acids |
| 04/11/1978 | US4083848 Process for protecting amino and/or imino groups |
| 04/04/1978 | US4082912 Certain 7-acylamido-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylmethyl)-3-cephem-4-carboxylic acids their salts and easily hydrolyzed esters |
| 04/04/1978 | US4082745 Process for the preparation of phosphorus derivatives of secondary ammonium salts of penam and cephem compounds |
| 03/28/1978 | US4081595 Reduction giving 3-cephem compounds |
| 03/28/1978 | US4081440 Sulfinyl halides and their preparation from penicillin sulfoxides |
| 03/21/1978 | US4080498 Antibiotics, bactericides |
| 03/21/1978 | US4080451 Cephalosporin derivatives |
| 03/14/1978 | US4079181 Certain 7-oxo-4-thio-2,6-diazabicyclo-3,2,0-hept-2-ene compounds |
| 03/14/1978 | US4079180 Process for preparing 7-aminocephalosporanic acid derivatives |
| 03/14/1978 | US4079179 6-Loweralkoxy or loweralkylthio-3-cephem-4-carboxylic acids |
| 03/14/1978 | US4079178 Antibacterial |
| 03/14/1978 | US4079134 7-Acylamino-3-(5-sulfomethyl-1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acids |
| 02/28/1978 | US4076936 7β-(2-Aryl-2-hydroxyiminoacetamido)ceph-3-em-4-carboxylic acids carrying a 7α-lower alkoxy substituent |
| 02/28/1978 | US4076588 Antibacterial |
| 02/21/1978 | US4075405 Cyanogen halide |
| 02/21/1978 | US4075203 Process for preparing a 3-exomethylenecepham sulfoxide from penicillin sulfoxides |
| 02/21/1978 | US4075061 Using o-transcarbamoylase enzyme to produce 3-carbamoyloxymethyl cephalosporins |
| 02/21/1978 | CA1026745A1 Cephalosporin derivatives, a process for their preparation and composition in which they are used |
| 02/14/1978 | US4074047 7 2-(Aminocarbonylalkoxyimino)acetamido! derivatives of cephalosporin |
| 02/14/1978 | US4073903 3-Desacetoxymethyl-3- 5'(1-methyltetrazolyl)thio!methyl-7- 1-(4-nitroimidazolyl)acetyl!aminocephalosporanic acid |
| 02/14/1978 | US4073902 Antimicrobial compounds |
| 02/14/1978 | US4073687 Enzymatic acylation to afford β-lactam antibiotics |
| 01/31/1978 | US4071683 Oxoimidazolidinylthiocarbonyl derivatives of ceph-3-em-4-carboxylic acids |
| 01/31/1978 | US4071682 7-α substituted imino 7-β substituted thio cephalosporin derivatives |
| 01/31/1978 | US4071531 Oxathiino- and dithiino-aminoacetic acids |
| 01/31/1978 | US4071527 Certain benzothiazole compounds |
| 01/17/1978 | US4069324 Substituted 7(α-amino phenylacetamido)cephem derivatives |
| 01/10/1978 | US4068074 Cephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an α-heterocylic acylaminophenyl-acetamide group |
| 01/10/1978 | US4068073 Bactericides |
| 01/10/1978 | US4068072 Process for production of 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivatives |
| 01/10/1978 | US4068071 Process for producing 6-aminopenicillanic acid or 7-aminocephalosporanic acid derivatives |
| 01/10/1978 | US4067979 Cephalosporins having an α-acyloxyacetic acid side chain |
| 01/10/1978 | US4067978 Pharmaceutical compositions of α-amino-α-(ureidophenyl)acetamidocephalosporins |
| 01/10/1978 | US4067977 α-AMINO-α-(UREIDOPHENYL)ACETAMIDOCEPHALOSPORINS AND THEIR PHARMACEUTICAL COMPOSITIONS |
| 01/10/1978 | US4067976 Bactericides |
| 01/10/1978 | US4067880 Intermediates for preparing 7-acyl-3-(sulfoalkyl substituted oxadiazolylthiomethyl)cephalosporins |
| 01/10/1978 | US4067866 Process for preparing cephalosporins and certain novel 2β-thiohydrazo-azetidinones as intermediates |
| 01/10/1978 | US4067858 Acid derivative immobilized cephalosporin carboxylic carrying polymer |
| 01/03/1978 | US4066762 Derivatives of 7-(2-substituted-2-hydroxyiminoacetamido)-3-(1-substituted tetrazol-5-ylthiomethyl-3-cephem-4-carboxylic acid |
| 01/03/1978 | US4066761 7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl)cephalosporins |
| 01/03/1978 | US4066664 Intermediates for preparing α-carboxy-α-(3-thienyl)penicillin and cephalosporin derivatives |
| 01/03/1978 | US4066641 Method for cyclization to give cephem ring |
| 12/27/1977 | US4065621 Process for 3-alkyl and 3-phenyl cephalosporins |
| 12/27/1977 | US4065620 3-(Substituted) vinyl cephalosporins |
| 12/27/1977 | US4065619 7-(α-Sulfoacylamido)cephalosporins |
| 12/27/1977 | US4065618 Cephalosporins |
| 12/27/1977 | US4065459 Sulfonation |