Cephem and cepham compounds and processes for preparation thereof
申请人:Fujisawa Pharmaceutical Company, Ltd.
公开号:US04923998A1
公开(公告)日:1990-05-08
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.
A 3,7-disubstituted-3-cephem-4-carboxylic acid of the general formula: ##STR1## having antibacterial activity, processes for preparing same, and pharmaceutical compositions thereof for treating infectious diseases in humans and animals.
The invention relates to new thiadiazolyl or thiazolyl-substituted cephem and cepham compounds, the pharmaceutically acceptable salts and bioprecursors thereof, of antimicrobial activity, processes for preparation thereof, intermediates for preparing the new compounds and to pharmaceutical compositions comprising the new compounds, and methods of using the compositions for treatment of infectious diseases.
New cephem and cepham compounds and processes for preparation thereof
申请人:Fujisawa Pharmaceutical Company, Limited
公开号:US04841062A1
公开(公告)日:1989-06-20
Compounds of the formula: ##STR1## wherein R.sup.2 is cyclo(lower)alkyl or lower alkynyl having 2 to 6 carbon atoms, and R.sup.6 is amino or protected amino, or the reactive derivative at the carboxy group, are disclosed as intermediates for the preparation of cephem and cepham compounds having antimicrobial activity.
Preparation of pharmaceutical composition comprising, treatment of human and animal diseases with, and compound of 3,7-disubstituted-3-cepham-4-carboxylic acid.