申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP0646584A1
公开(公告)日:1995-04-05
A pyrazolotriazole derivative represented by general formula (I), useful for treating various diseases caused by the physiological activity of angiotensin II, or a pharmaceutically acceptable salt thereof, and a process for the production thereof wherein one of R¹, R³ and R⁴ represents hydrogen, tetrazolylated biphenylmethyl or lower alkyl, and each of the remaining two represents hydrogen, R² represents hydrogen, tetrazolylated biphenylmethyl, cycloalkyl or lower alkyl, and R⁵ and R⁶ may be the same or different from each other and each represents hydrogen, halogen, tetrazolylated biphenylmethyl, formyl, carboxyl, esterified carboxyl, cycloalkyl, lower alkoxy, lower alkoxycarbonyl, or lower alkyl, provided that at least one of R¹ to R⁶ is tetrazolylated biphenylmethyl and the broken lines mean that the triazole ring forms three double bonds.
一种通式(I)代表的吡唑三唑衍生物,可用于治疗由血管紧张素II的生理活性引起的各种疾病,或其药学上可接受的盐,及其生产工艺 其中R¹、R³和R⁴中的一个代表氢、四唑化联苯基甲基或低级烷基,其余两个中的每一个代表氢,R²代表氢、和 R⁴ 代表氢、四唑化联苯基甲基、环烷基或低级烷基,R⁵ 和 R⁶ 可以相同或不同,各自代表氢、卤素、四唑化联苯基甲基、甲酰基、羧基、酯化羧基、环烷基、低级烷氧基、低级烷氧羰基或低级烷基,条件是 R¹ 至 R⁶ 中至少有一个是四唑基联苯甲基,断线表示三唑环形成三个双键。