申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04205166A1
公开(公告)日:1980-05-27
Cephalosporanic acid derivatives and preparation thereof having the following formula ##STR1## wherein R.sub.1 is hydrogen or acyl, and R.sub.2 is aminoalkyl-, acylaminoalkyl-, sulfoalkylaminoalkyl-, or hydroxyalkyl-substituted, N- or N and S-containing heterocyclic groups.
头孢菌素酸衍生物及其制备具有以下公式##STR1##其中R.sub.1为氢或酰基,R.sub.2为氨基烷基,酰胺基烷基,磺酰胺基烷基或羟基烷基取代的,含N或N和S的杂环基团。