申请人:Takeda Chemical Industries, Ltd.
公开号:US04416817A1
公开(公告)日:1983-11-22
Novel 3-methoxy-2-oxoazetidine derivatives, which are shown by the following formula ##STR1## wherein R.sub.1 is amino, acylated amino or protected amino, are of value as intermediates for the synthesis of useful compounds represented by the formula ##STR2## wherein R.sub.1 has the same meaning as defined above, as drugs in the treatment of bacterial infections.
新型的3-甲氧基-2-氧代氮杂环丙烷衍生物,其化学式如下所示 ##STR1## 其中R.sub.1是氨基、酰化氨基或保护氨基,作为合成有用化合物的中间体具有价值,这些化合物的化学式如下所示 ##STR2## 其中R.sub.1的含义与上述定义相同,作为治疗细菌感染的药物。