申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US05475114A1
公开(公告)日:1995-12-12
This invention relates to a pyrazolotriazole derivative represented by the general formula: ##STR1## wherein each symbol means as follows; R.sup.1, R.sup.3 and R.sup.4 : one of them represents hydrogen, tetrazolylated biphenylmethyl or lower alkyl, R.sup.2 : hydrogen, tetrazolylated biphenylmethyl, cycloalkyl or lower alkyl, and R.sup.5 and R.sup.6 : these 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 which may be substituted with hydroxyl, formyl or carboxyl, provided that at least one of R.sup.1 to R.sup.6 is tetrazolylated biphenylmethyl, and the broken lines mean that the pyrazolotriazole ring forms three double bonds, or a pharmaceutically acceptable salt thereof, and to a process for the production thereof, wherein the above compound (I) is useful for treating various diseases caused by the physiological function of angiotensin II.
这项发明涉及一种由通式表示的吡唑三唑衍生物:##STR1##其中每个符号的含义如下;R.sup.1、R.sup.3和R.sup.4:它们中的一个代表氢、四唑基联苯甲基或较低的烷基,R.sup.2:氢、四唑基联苯甲基、环烷基或较低的烷基,以及R.sup.5和R.sup.6:它们可以相同也可以不同,每个代表氢、卤素、四唑基联苯甲基、甲酰基、羧基、酯化羧基、环烷基、较低的烷氧基、较低的烷氧羰基或可能被羟基、甲酰基或羧基取代的较低烷基,前提是R.sup.1到R.sup.6中至少有一个是四唑基联苯甲基,而虚线表示吡唑三唑环形成三个双键,或其药学上可接受的盐,以及其生产方法,其中上述化合物(I)对于治疗由血管紧张素II的生理功能引起的各种疾病是有用的。