Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
11/1978
11/28/1978US4127716 3-heterothiomethyl ureido cephalosporins
11/28/1978CA1043332A1 3,4-dicarboxycephalosporins and derivatives
11/28/1978CA1043261A1 Cephalosporin-type antibiotic composition
11/21/1978US4126745 Bactericides
11/21/1978US4126682 7-acyl-3-(carboxyalkyl and carbamoylalkyl substituted oxadiazolylthiomethyl) cephalosporins and antibacterial compositions and methods employing them
11/21/1978CA1042874A1 Cephalosporin esters
11/21/1978CA1042873A1 Azetidine derivatives
11/14/1978US4125716 Methoxymethyl esters of substituted imidazolidinyl-3-methyl-3-cephem-4-carboxylic acids
11/14/1978US4125715 7-[(Substituted-isothioureamethyl)phenyl]-acetamidocephalosporin derivatives
11/14/1978US4125611 3-Heterocyclic thiomethyl 7-methoxy-7 substituted acetamido cephalosporins
11/14/1978CA1042422A1 7-(substituted phenylglycinamido)-3-substituted-3-cephem-4-carboxylic acid derivatives and preparation thereof
11/14/1978CA1042421A1 Process for producting 7-acylamido-7-alkoxycephalosporins
11/07/1978US4124762 7-[(Pyridylthiomethyl)phenyl]acetamido-cephalosporin derivatives
11/07/1978US4124761 7-[(substituted-thiomethyl)phenyl] acetamidocephalosporin derivatives
11/07/1978CA1041996A1 Process for producing penicillins and cephalosporins
10/1978
10/31/1978US4123612 Antibiotics, anthelmintic activity
10/31/1978US4123611 N-protected amino compounds
10/31/1978US4123528 Antibiotics
10/31/1978CA1041483A1 Process of producing novel cephalosporin derivatives
10/31/1978CA1041482A1 2-oxo-1-pyridinyl penicillin and cephalosporin derivatives
10/31/1978CA1041481A1 Process for preparing cephalosporin antibiotics
10/31/1978CA1041480A1 3-(substituted) carbonylamino cephem derivatives
10/31/1978CA1041447A1 Production of 7-amino-cephem compounds by comamonas and pseudomonas
10/24/1978US4122260 Containing formyl substituted pyrrole, antibiotics
10/24/1978US4122259 7β-[2-Aryl-2-(etherified oximino)acetamido]-3-N-substituted carbamoyloxymethylceph-3-em-4-carboxylic acids
10/24/1978US4122258 Process for producing desacetoxycephalosporin derivatives by heating a penicillin-1-oxide in presence of an organic sulfide
10/24/1978CA1041087A1 SUBSTITUTED .alpha.-CARBOXY ACETAMIDOCEPHALOSPORINS
10/24/1978CA1041086A1 Substituted acetamidocephalosporins
10/24/1978CA1041085A1 7-(.alpha.-AMINO-.alpha.(UREIDOPHENYL)ACETAMIDO)CEPHALOSPORINS
10/24/1978CA1041084A1 PROCESS FOR THE MANUFACTURE OF 7.beta.-AMINO-3-CEPHEM-4-CARBOXYLIC ACID COMPOUNDS
10/17/1978US4121041 7-(Amidinothio)acetamido-7-methoxy cephalosporins
10/17/1978US4121040 4-(Tetrazol-5-yl)-Δ3 -cephem compounds
10/17/1978CA1040622A1 Penicillins and cephalosporins and their production
10/17/1978CA1040621A1 Cephem derivatives and process for preparing them
10/17/1978CA1040620A1 6-alkoxy-6-acylamidopenicillins 7-alkoxy-7-acylamido acetoxycephalosporins and process
10/10/1978US4119778 B-lactamase inhibitors
10/10/1978US4119775 4-Oxo-1-pyridinyl cephalosporin derivatives
10/03/1978US4118563 Production of 7-(2-aminomethylphenylacetamido-3-(1-carboxymethyltetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid
10/03/1978US4118562 Azidomethylaryl-substituted cephalosporin derivatives
10/03/1978US4118491 7-Acyl-3-(sulfaminoalkyl substituted tetrazolylthiomethyl)cephalosporins, antibacterial compositions containing them and methods of treating bacterial infections with them
10/03/1978US4118490 7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thiomethyl)cephalosporins and pharmaceutical compositions containing them
10/03/1978CA1039715A1 Sugar ureide and thioureide derivatives
10/03/1978CA1039710A1 Cephalosporin derivatives
10/03/1978CA1039709A1 Process for producing cephalosporins
09/1978
09/26/1978US4117126 7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivatives
09/26/1978US4117125 7-Acylamino-3-[1-[2-(carboxymethylamino]ethyl) tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acids
09/26/1978US4117124 7-Acylamino-3-[[3-(carboxymethyl)thio-1H-1,2,4-triazol-5-yl]thiomethyl]-3-cephem-4-carboxylic acids
09/26/1978US4117123 7-Acylamino-3-[1-(2-sulfamidoethyl)tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acids
09/26/1978CA1039270A1 3-thio-substituted cephalosporin antibiotics
09/26/1978CA1039269A1 3-(substituted) cephems
09/19/1978US4115646 Process for preparing 7-aminocephalosporanic acid derivatives
09/19/1978US4115645 Sodium sulfite, sodium dithionite
09/19/1978US4115644 Process for preparing pure cefamandole from alkali metal and ammonium salts thereof
09/19/1978US4115643 Process for 3-chloro cephalosporins
09/19/1978US4115566 7α Ureido cephem-4-carboxylic acid derivatives
09/12/1978US4113944 Decarboxylation
09/12/1978US4113943 Antibacterial
09/12/1978US4113942 Antibacterial
09/12/1978US4113941 Anion exchange resin
09/12/1978US4113940 7-amino 2-lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives and processes for preparation thereof
09/12/1978US4113591 Bromination in presence of ultraviolet radiation, visible light, or gamma rays
09/12/1978CA1038374A1 Cephalosporin derivatives, their preparation and compositions containing same
09/05/1978US4112228 7-(D-α-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo-[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids and derivatives
09/05/1978US4112090 Bactericide
09/05/1978US4112088 7-Acyl-3-(sulfoalkyl substituted oxadiazolylthiomethyl) cephalosporins
09/05/1978US4112087 Cephalosporin type antibacterials having a substituted propenyl group in the 3-position
09/05/1978US4112086 Bactericide
09/05/1978US4111981 Substituted phenylglycines
09/05/1978US4111978 Cyanomethylthioacetylcephalosporin intermediates
09/05/1978US4111933 Protection of functional groups during reaction and their subsequent restoration
09/05/1978CA1037949A1 Cephalosporin derivatives
09/05/1978CA1037888A1 Enzymatic production of cephamycin type antibiotics
08/1978
08/29/1978US4110535 Bactericide
08/29/1978US4110534 Process for the preparation of 3-vinyl and substituted vinyl cephalosporins
08/29/1978US4110533 Process for the manufacture of enol derivatives
08/29/1978US4110327 2,3 Diketo-piperazinocarbonylamino alkanoic acids and derivatives
08/29/1978CA1037467A1 7-(.alpha.-(2-AMINOMETHYL-1-CYCLOHEXENYL AND 1,4-CYCLOHEXADIENYL)-ACETAMIDO)-3-HETEROCYCLICTHIOMETHYL-3-CEPHEM-4-CARBOXYLIC ACIDS AND DERIVATIVES THEREOF
08/22/1978US4109085 7-amino-3-substituted-cephem compounds
08/22/1978US4109084 Antibiotics, bactericides
08/22/1978US4109083 4-(Tetrazol-5-yl)-Δ3 -cephem compounds
08/15/1978US4107440 Intermediates for preparing substituted phenylglycylcephalosporins
08/15/1978US4107433 Phthalidyl ester of 3-carbomoyloxy cephalosporin derivatives
08/15/1978US4107432 7-Diacylimido cephalosporins
08/15/1978US4107304 Oxo-imidazolidine substituted cephalosporins and antibacterial compositions and methods of combatting bacteria employing them
08/15/1978US4107173 Intermediate for cephalosporins
08/15/1978CA1036593A1 PREPARATION OF THIOAMIDES OF .beta.-LACTAM ANTIBIOTICS
08/01/1978US4104470 Crystallization process for cefazolin sodium
08/01/1978US4104469 7-(Syn-α-alkoxy-iminofuryl)acetamido-3-(2-methyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids
08/01/1978US4104391 Freeze-drying
08/01/1978CA1035768A1 Cephalosporine derivatives, their preparation and compounds containing same
07/1978
07/25/1978US4103085 7-(Syn-α-alkoxy-iminofurylacetamido-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids
07/25/1978US4103084 Antibiotics
07/25/1978US4103083 Cephalosporins, streptomyces culture, acylation, precipication or solvent extraction
07/25/1978US4103008 7[2(2,3 Dioxopiperazin-1-yl-carbonylamino)substituted 2 phenylacetamido]-3-2'-thiadiazolyl cephalosporanic acid derivatives
07/25/1978US4102882 Process to prepare novel antibiotic compounds
07/18/1978US4101661 Novel antibacterial amide compounds and process means for producing the same
07/18/1978US4101658 Antibacterial hydrazono cephalosporins
07/18/1978US4101656 7β-Acylamino-3-(alkanesulfonamidoalkyl substituted tetrazolylthiomethyl) cephalosporins, antibacterial compositions containing them and methods of treating bacterial infections with them
07/11/1978US4100346 Certain 7(o-amino-methyl- or methylaminomethylphenyl- or cyclohexadienyl- or thienylacetamide)-3[1-carboxymethyl-(or ethyl- or propyl-)-tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acids
07/11/1978US4100345 3-(Carbamoyl)pyridino derivatives of 7a-methoxy ureidocephalosporins
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