NOVEL CONDENSED THIAZOLE DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP0666263A1
公开(公告)日:1995-08-09
A condensed thiazole derivative useful as a 5-HT₃ receptor agonist, represented by general formula (I), a pharmaceutically acceptable salt thereof, a process for producing the same, and a pharmaceutical composition containing the same, wherein R represents hydrogen, halogen, hydroxy, lower alkoxy, carboxy, lower alkoxycarbonyl, nitro, amino, cyano or protected hydroxy; A represents a benzene or naphthalene ring; one of L₁ and L₂ represents a mere bond while the other then represents: (a) linear or branched lower alkylene which may be interrupted by oxygen or sulfur, (b) oxygen or sulfur, or (c) lower alkenylene; L represents a mere bond, or linear or branched lower alkylene; Im represents α or β; R¹, R² and R³ may be the same or different from one another and each represents hydrogen or lower alkyl; and R⁴, R⁵ and R⁶ may be the same or different from one another and each represents hydrogen or lower alkyl.
一种可用作 5-HT₃ 受体激动剂的缩合噻唑衍生物,由通式(I)、其药学上可接受的盐、生产该衍生物的工艺以及含有该衍生物的药物组合物表示,其中 R 代表氢、卤素、羟基、低级烷氧基、羧基、低级烷氧基羰基、硝基、氨基、氰基或受保护的羟基;A 代表苯环或萘环; L₁ 和 L₂ 中的一个代表单纯的键,而另一个则代表(a) 可被氧或硫打断的直链或支链低级亚烷基,(b) 氧或硫,或 (c) 低级烯基;L 代表纯键,或直链或支链低级亚烷基;Im 代表 α 或 β;R¹、R² 和 R³ 可彼此相同或不同,且各自代表氢或低级烷基;以及 R⁴、R⁵ 和 R⁶ 可彼此相同或不同,且各自代表氢或低级烷基。