申请人:TANABE SEIYAKU CO., LTD.
公开号:EP0531874A1
公开(公告)日:1993-03-17
An imidazopyridine derivative of the formula [I]:
wherein R¹ is hydrogen or lower alkyl, R² is hydrogen, lower alkylsulfonyl or a group of the formula:
(Z is oxygen atom or two hydrogen, R⁰ is substituted or unsubstituted lower alkyl, lower alkoxy, 5- or 6-membered heteromonocyclic, substituted or unsubstituted phenyl, hydrogen, substituted or unsubstitued amino or lower alkenyl), R³ is carboxyl or lower alkoxycarbonyl and Ring A is substituted or unsubstituted phenyl, and pharmaceutically acceptable salt thereof, and processes for preparation thereof, said imidazopyridine derivatives have excellent angiotensin II antagonistic activities and are useful in prophylaxis and treatment of hypertension.
式 [I] 的咪唑吡啶衍生物:
其中 R¹ 是氢或低级烷基,R² 是氢、低级烷基磺酰基或式中的一个基团:
(Z是氧原子或两个氢,R⁰是取代或未取代的低级烷基、低级烷氧基、5-或 6-元杂环基、取代或未取代的苯基、氢、取代或未取代的氨基或低级烯基)、R³ 是羧基或低级烷氧基羰基,环 A 是取代或未取代的苯基,以及其药学上可接受的盐及其制备方法,所述咪唑吡啶衍生物具有优异的血管紧张素 II 拮抗活性,可用于高血压的预防和治疗。