申请人:FARMITALIA CARLO ERBA S.r.l.
公开号:EP0167100A1
公开(公告)日:1986-01-08
There are provided compounds of formula
wherein R is hydrogen atom or Cl-C3 alkyl group optionally substituted from halogen atom or hydroxy group optionally protected, and Q(+) represents a group
wherein R,. R2 and R3 are each either:
(i) optionally substituted alkyl, aralkyl or aryl radical or
(ii) R, is as defined above under (i) and R2, R3, taken together, represent an optionally substituted or fused heterocyclic radical or
(iii) R1, R2, R3, taken together, represent an optionally substituted azonia-bicyclo or tricyclo radical or
(iv) R1, R2, R3, taken together, represent an optionally substituted fused pyridinium radical or
(v) R1, R2, R3, taken together, represent an optionally substituted pyrazinium, pyrazolium or pyridazinium radical, and the pharmaceutically or veterinarily acceptable salts thereof.
A method of preparation is also provided.
The compounds show high antibacterial activity.
提供了如下式的化合物
其中 R 是氢原子或任选被卤原子取代的 Cl-C3 烷基或任选被保护的羟基,Q(+)代表一个基团
其中 RR2和R3各自为
(i) 任选取代的烷基、芳基或芳基或
(ii) R 如上文第(i)段所定义,R2、R3 合在一起代表任选取代或融合的杂环基;或
(iii) R1、R2、R3 合在一起代表一个任选取代的偶氮二环或三环基,或
(iv) R1、R2、R3 合在一起代表任选取代的融合吡啶鎓基或
(v) R1、R2、R3 合在一起代表任选取代的吡嗪鎓、吡唑鎓或哒嗪鎓基,以及它们的药学上或兽医学上可接受的盐。
此外,还提供了一种制备方法。
这些化合物具有很高的抗菌活性。