申请人:Bayer Aktiengesellschaft
公开号:US04235774A1
公开(公告)日:1980-11-25
New penicillin derivatives, or esters or salts thereof, of the formula ##STR1## in which R is H or alkoxy, B is a heterocyclic radical, A is an ethylene, trimethylene or o-phenylene radical, D is --co-- or a direct bond, and Z is a hydrogen atom, an optionally substituted alkyl or alkenyl group, an optionally substituted cycloalkyl, cycloalkenyl or cycloalkadienyl group, an optionally substituted aryl group, an optionally substituted hetercyclyl group or an acyl radical.
新的青霉素衍生物,或其酯或盐,其化学式为##STR1##其中R为H或烷氧基,B为杂环基,A为乙烯基,三亚甲基基或邻苯二甲基基,D为--co--或直接键,Z为氢原子,可选择地取代的烷基或烯基基团,可选择地取代的环烷基,环烯基或环烯二烯基团,可选择地取代的芳基,可选择地取代的杂环基团或酰基。