摘要:
An N-containing heterocyclic compound of the formula: ##STR1## wherein R.sup.1 is lower alkyl optionally substituted with hydroxy, halogen or a heterocyclic group, carboxy, esterified carboxy, carbamoyl optionally substituted with heterocyclic(lower)alkyl or lower alkylamino(lower)alkyl, N-containing heterocycliccarbonyl optionally substituted with lower alkyl, or ureido optionally substituted with lower alkylamino(lower)alkyl, andR.sup.3 is hydrogen or halogen;R.sup.2 is phenyl substituted with nitro, andX is .dbd.N--or ##STR2## in which R.sup.4 is lower alkyl or halo(lower)alkyl, or is taken together with R.sup.1 to form an N-containing heterocyclic group optionally substituted with oxo and lower alkylamino(lower)alkyl; orR.sup.2 is lower alkyl, andX is ##STR3## in which R.sup.4 is phenyl substituted with nitro; and a pharmaceutically acceptable salt thereof, processes for the preparation thereof and pharmaceutical (e.g. antihypertension) compositions comprising the same.
摘要:
This invention relates to novel compounds of the formula: ##STR1## wherein R.sup.1 is carboxy(lower)alkyl or protected carboxy(lower)alkyl, andR.sup.6 is carboxy or protected carboxy, and a slat, thereof, and processes for preparing the same, useful in the preparation of compounds of high antimicrobial activity.
摘要:
The invention relates to new pyrimidine derivatives, useful in the treatment of cerebrovascular disease, of the formula: ##STR1## wherein Ar, R.sup.1, R.sup.2 and R.sup.3 are defined in the specification.
摘要:
The invention relates to novel cephem compounds, of high antimicrobial activity, of the formula ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is lower alkyl substituted with 1 to 3 halogen atoms,R.sup.3 is thiadiazolylthiomethyl which may be substituted with lower alkyl, or tetrazolylthiomethyl which may be substituted with lower alkyl or lower alkenyl, andR.sup.4 is carboxy or protected carboxy, and a pharmaceutically acceptable salt thereof.
摘要:
This invention relates to novel compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.2 is carboxy or protected carboxy,R.sup.3 is hydrogen or lower alkyl, andR.sup.4 is lower alkyl, lower alkoxy, acyloxymethyl, lower alkylthiomethyl, lower alkoxymethyl, halogen, lower alkenyl or hydrogen,and pharmaceutically acceptable salts thereof,and processes for making the same.
摘要:
7-substituted 3-cephem or cepham compounds characterized by the grouping, in the 7-position thereof, of the formula:R'--A--CONH--where R' is thiadiazolyl or amino thiazolyl, and A is methylene carrying oxyiimino, or R' is haloacetyl and A may also be methylene, their preparation, and pharmaceutical uses.
摘要:
Preparation of pharmaceutical composition comprising, treatment of human and animal diseases with, and compound of, 3,7-disubstituted-3-cephem-4-carboxylic acid.
摘要:
7-(.alpha.,.alpha.-disubstituted-acetamido)-3-substituted-3-cephem-4-carboxylic acids having antibacterial properties and the following formula are disclosed: ##STR1## wherein R.sup.1 is hydrogen, halogen, hydroxy, nitro, lower alkoxy or acylamino, R.sup.2 is hydrogen or acyl andR.sup.3 is lower alkanoyloxy, carbamoyloxy which may have lower alkyl, aryl or protective group for amino or a heterocyclicthio which may have lower alkyl.