申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP0411636A2
公开(公告)日:1991-02-06
A compound represented by the general formula (I):
wherein R¹ is a hydrogen atom or a methyl group; R² and R³, which may be the same or different, each represents a hydrogen atom or a lower alkyl group, or taken together with the adjacent nitrogen atom, jointly represent a heterocyclic group selected from the group consisting of an aziridinyl group, an azetidinyl group, a pyrrolidinyl group, a piperidino group, a piperazinyl group, a 4-lower alkylpiperazinyl group, a morpholino group and a thiomorpholino group; and A is a single bond, a lower alkylene group, a lower alkenylene group or a lower alkynylene group; or a pharmaceutically acceptable salt or ester thereof.
The compound of the general formula (I) and their salts or esters exhibit excellent antibacterial activity.
由通式(I)代表的化合物:
其中 R¹是
氢原子或
甲基;R²和 R³可以相同或不同,各自代表
氢原子或低级烷基,或与相邻的
氮原子一起共同代表选自
氮丙啶基、
氮杂
环丁基、
吡咯烷基、
哌啶基、
哌嗪基、4-低级烷基
哌嗪基、
吗啉基和
硫代吗啉基组成的杂环基团;和 A 是单键、低级
烯基、低级炔基或低级炔基;或其药学上可接受的盐或
酯。
通式(I)的化合物及其盐或
酯具有优异的抗菌活性。