申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0268989A1
公开(公告)日:1988-06-01
An imidazopyridine compound of the formula :
wherein R' is lower alkynyl, lower alkynyloxy(lower)alkyl or N,N-di(lower)alkylamino(lower)alkynyl,
R2 is lower alkyl,
R3 is ar(lower)alkyl substituted by one or more substituent(s) selected from cyano, trihalo(lower)alkyl, carbamoyl, protected amino, carboxy, protected carboxy, hydroxy, hydroxy(lower)alkyl, protected hydroxy-(lower)alkyl, protected hydroxy and protected amino(lower)alkyl or ar(lower)alkyl substituted by lower alkyl and one additional substituent selected from hydroxy(lower)alkyl, amino, N-lower alkyl-N-protected amino, protected amino and lower alkylamino, and
R4 is hydrogen or lower alkyl,
and a pharmaceutically acceptable salt thereof, processes for their preparation and pharmaceutical compositions comprising them. The invention also comprises intermediates of the formula
and of the formula
式中的咪唑吡啶化合物
其中 R' 是低级炔基、低级炔氧基(低级)烷基或 N,N-二(低级)烷基氨基(低级)炔基、
R2 是低级烷基
R3 是被一个或多个选自氰基、三卤代(低级)烷基、氨基甲酰基、受保护氨基、羧基、受保护羧基、羟基、羟基(低级)烷基、受保护羟基(低级)烷基、受保护羟基和受保护氨基(低级)烷基的取代基取代的 ar(低级)烷基,或被低级烷基和一个选自羟基(低级)烷基、氨基、N-低级烷基-N-受保护氨基、受保护氨基和低级烷基氨基的取代基取代的 ar(低级)烷基,以及
R4 是氢或低级烷基、
及其药学上可接受的盐、其制备工艺和包含它们的药物组合物。本发明还包括式
和式