申请人:DOMPE' FARMACEUTICI S.p.A.
公开号:EP0397613A2
公开(公告)日:1990-11-14
Novel imidazopyridine derivatives of formula:
wherein, R represents an alkoxyalky radical having 4-6 carbon atoms or a benzyl radical optionally substituted by a halogen atom, an alkyl or alkoxy radical having up to 3 carbon atoms,
X represents hydrogen or an alkyl radical having up to 3 carbon atoms,
n represents 0 or 1
m represents an integer of from 2 to 5 inclusive,
R₁ and R₂ may be the same or different and represent a saturated or unsaturated alkyl radical containing up to 4 carbon atoms or they, taken together with the adjacent nitrogen atom, may form a pyrrolidine, piperazine or homopiperazine ring which may be optionally substituted by an alkyl radical containing up to 3 carbon atoms, provided that when n is zero also n is zero and -N(R₁)R₂ represents the above defined piperazine or homopiperazine ring.
The compounds (I) have an antihistaminic activity.
式中的新型咪唑吡啶衍生物:
其中,R 代表具有 4-6 个碳原子的烷氧基或任选被卤素原子取代的苄基、具有最多 3 个碳原子的烷基或烷氧基、
X 代表氢或最多有 3 个碳原子的烷基、
n 代表 0 或 1
m 代表 2 至 5(含 5)的整数、
R₁ 和 R₂ 可以相同或不同,代表含有最多 4 个碳原子的饱和或不饱和烷基,或者它们与相邻的氮原子一起形成吡咯烷环、哌嗪环或均哌嗪环,该环可任选被含有最多 3 个碳原子的烷基取代,但当 n 为零时,n 也为零,-N(R₁)R₂ 代表上述定义的哌嗪环或均哌嗪环。
化合物(I)具有抗组胺活性。