摘要:
The present invention relates to new 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities and to processes for preparation thereof, to pharmaceutical compositions comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in humans and animals.This division relates to intermediate compounds, namely amino or amido-thiazolyl, substituted oxyimino disubstituted acetic acid of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group;R.sup.2 is --CONH--R.sup.5 or --HNCO--R.sup.5,R.sup.5 is aryl or heterocyclic, either of which may be substituted, andA is lower alkylene, or a salt thereof.
摘要:
The present invention relates to new 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities and to processes for preparation thereof, to pharmaceutical compositions comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in humans and animals.This division relates to intermediate compounds, namely amino or amido-thiazolyl, substituted oxyimino disubstituted acetic acid of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group;R.sup.2 is --CONH--R.sup.5, --NHCO--R.sup.5, or ##STR2## R.sup.5 is aryl or heterocyclic, either of which may be substituted, R.sup.6 is hydrogen or lower alkyl, andA is lower alkylene, or a salt thereof.
摘要:
The present invention involves certain thiazol-4-yl-acetic acid compounds which are valuable intermediates for the preparation of cephem antibiotics. Said intermediates have the following structure: ##STR1## wherein R.sup.1 is an amino or a protected amino group; R.sup.2 is a group of the formula 13 CONH--R.sup.5 or --NHCO--R.sup.5 wherein R.sup.5 is pyridyl, thiazolyl or an isoxazolyl ring having lower alkyl and halogen substituted phenyl substituents, and A is lower alkylene, or a non-toxic salt thereof.
摘要:
The present invention relates to new 3,7 disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof. More particularly, it relates to new 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antimicrobial activities and to processes for preparation thereof, to pharmaceutical composition comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in human being and animals.
摘要:
The invention relates to novel amino or acylamino-substituted pyrimidinyl cephalosporanic acid derivatives and pharmaceutically acceptable salts thereof, of antibacterial activity, to processes for the preparation thereof, and to pharmaceutical compositions comprising the novel cephalosporanic acid derivatives.
摘要:
A novel compound, useful as an intermediate in the production of compounds of high antimicrobial activity, of the formula: ##STR1## wherein R.sub.a.sup.1 is hydrogen, amino or a protected amino group,R.sub.b.sup.1 and R.sub.c.sup.1 are each hydrogen, halogen, lower alkoxy or arylthio,R.sup.14 is carboxy or a protected carboxy group,X is lower alkylene or a group of the formula: ##STR2## in which R.sup.6 is hydrogen or an organic residue which may have suitable substituent(s), andZ is N or CH,or a salt thereof.
摘要翻译:一种新型化合物,其用作生产高抗微生物活性化合物的中间体,其具有下式:其中Ra1为氢,氨基或被保护的氨基,Rb1和Rc1各自为氢,卤素,低级烷氧基或芳硫基 R 14为羧基或被保护的羧基,X为低级亚烷基或下式基团:其中R 6为氢或可具有合适取代基的有机残基,Z为N或CH,或 其盐。
摘要:
This invention relates to novel compounds having antimicrobial activity of the formula ##STR1## in which R.sup.1 is amino or a protected amino group,R.sup.2 is cyclo(lower)alkyl, cyclo(lower)alkenyl, lower alkyl, lower alkynyl, carboxy(lower)alkyl, protected carboxy(lower)alkyl or lower alkylthio(lower)alkyl, andY is hydrogen, amino or a protected amino group, and pharmaceutically acceptable salts thereof.
摘要:
3,7-Disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutical salts thereof having antibacterial properties in the treatment of animals and processes for preparing the compounds.
摘要:
Antibiotic cephalosporin compounds, method of making and pharmaceutical composition thereof represented by the general formula ##STR1## wherein R.sup.1 is amino, lower alkylamino, a protected amino, a protected lower alkylamino, hydroxy or lower alkoxy,R.sup.2 is hydrogen, acyloxy, pyridium or a heterocyclicthio group which may have suitable substituent(s),R.sup.3 is carboxy or its derivative,A is carbonyl, hydroxy(lower)alkylene or a protected hydroxy(lower)alkylene andR.sup.4 is hydrogen or halogen, orR.sup.2 and R.sup.3 are linked together to represent a group of the formula --COO--, this divisional application being directed to intermediate compounds of the formula: ##STR2##