申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05194624A1
公开(公告)日:1993-03-16
The invention relates to compounds of the formula: ##STR1## in which R.sup.4 is an unsaturated, 5 or 6-membered heteromonocyclic group, R.sup.5 is hydrogen, lower alkanimidoyl or imino-protective group, R.sup.7 is ar(lower)alkyl or acyl derived from a carboxylic, carbonic, sulfonic or carbamic acid, and A is lower alkylene, or a salt thereof, useful as intermediates in the preparation of antimicrobial agents.
该发明涉及以下式子的化合物:##STR1## 其中,R.sup.4是不饱和的、5或6成员的杂单环基团,R.sup.5是氢、低级烷基亚胺基或亚胺保护基,R.sup.7是由羧酸、碳酸、磺酸或氨基甲酸衍生的芳基(低)烷基或酰基,A是低级烷基,或其盐,可用作制备抗微生物剂的中间体。