申请人:Bayer Aktiengesellschaft
公开号:US04386089A1
公开(公告)日:1983-05-31
.beta.-Lactam compounds of the formula ##STR1## in which B denotes an optionally substituted heterocyclic 5-membered or 6-membered ring or an optionally substituted phenyl ring, Z denotes a hydrogen atom or a C.sub.1 to C.sub.4 alkoxy group, ##STR2## Y, E.sub.1 and E.sub.2 independently of one another denote a divalent organic radical and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another denote a hydrogen atom or an alkyl, alkenyl, alkinyl, alkadienyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, aryl or heterocyclyl radical, it also being possible for the above-mentioned radicals, with the exception of hydrogen, to be substituted, or an acyl radical, are antibacterial agents with a broad antibacterial spectrum and are useful as agents for promoting growth and for improving feed utilization in animals and as antioxidants.
β-内酰胺化合物的化学式为##STR1##其中B表示一个可选择取代的杂环5元或6元环或一个可选择取代的苯环,Z表示一个氢原子或一个C.sub.1到C.sub.4烷氧基团,##STR2## Y,E.sub.1和E.sub.2独立地表示一个二价有机基团,而R.sub.1,R.sub.2,R.sub.3和R.sub.4独立地表示一个氢原子或一个烷基,烯基,炔基,烷二烯基,环烷基,环烯基,环烷二烯基,芳基或杂环基团,上述基团除了氢以外可能被取代,或者是一个酰基基团,这些化合物是具有广泛抗菌谱的抗菌剂,可用作促进动物生长和改善饲料利用的剂和抗氧化剂。