申请人:Sankyo Company Limited
公开号:US04486425A1
公开(公告)日:1984-12-04
Compounds of formula (I): ##STR1## wherein: R.sup.1 represents a lower alkyl group selected from methyl groups and ethyl groups; R.sup.2 represents a hydrogen atom or a methyl group; and R.sup.3 represents a group selected from C.sub.1 -C.sub.5 alkoxy groups, and pharmaceutically acceptable acid addition salts thereof have valuable antibiotic activity and are suitable for oral administration. They may be prepared by a variety of synthetic routes.
分子式(I)的化合物:其中:R.sup.1代表从甲基基团和乙基基团中选择的较低烷基基团;R.sup.2代表氢原子或甲基基团;R.sup.3代表从C.sub.1-C.sub.5烷氧基团中选择的基团,以及其药用可接受的酸盐具有有价值的抗生素活性,并适用于口服给药。它们可以通过多种合成途径制备。