申请人:Bayer Aktiengesellschaft
公开号:US04416880A1
公开(公告)日:1983-11-22
.beta.-Lactam antibiotics of the formula ##STR1## in which A is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl group, a substituted or unsubstituted phenyl ring, a polycyclic aromatic ring or an optionally substituted heterocyclic 5-membered or 6-membered ring with 1 to 4 hetero-atoms, Y is ##STR2## X is a sulphur or oxygen atom, T is an organic radical, and Z is a hydrogen atom or a C.sub.1 to C.sub.6 alkoxy group, or an ester or salt thereof.
β-内酰胺类抗生素的化学式为 ##STR1## 其中 A 为氢原子,可选择地取代的烷基、烯基、炔基或环烷基,取代或未取代的苯环,多环芳香环或含有1到4个杂原子的可选择取代的杂环5-或6-成员环,Y 为 ##STR2## X 为硫或氧原子,T 为有机基,Z 为氢原子或 C.sub.1 到 C.sub.6 烷氧基团,或其酯或盐。