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.
式子为##STR1##的.beta.-内酰胺类抗生素,其中A是氢原子,可选取代的烷基,烯基,炔基或环烷基,取代或未取代的苯环,多环芳香环或1至4个杂原子的可选取代的杂环5元环或6元环,Y是##STR2##,X是硫或氧原子,T是有机基团,Z是氢原子或C.sub.1到C.sub.6的烷氧基团,或其酯或盐。