Novel substituted pyrazinyl-1,2,4-oxadiazoles, processes for preparing the same and a pharmaceutical composition containing the same
申请人:Merck & Co., Inc.
公开号:EP0040422A1
公开(公告)日:1981-11-25
Novel substituted pyrazinyl-1,2,4-oxadiazoles of the formulas
are disclosed wherein
R is hydrogen or lower alkyl (C1-5),
R1 is hydrogen or lower alkyl (C1-5),
R2 is hydrogen or lower alkyl (C1-5),
R3 is hydrogen or lower alkyl (C1-5),
R and R' can be joined to form an alkylene group of from 2-4 i carbon atoms,
R4 is lower alkyl (C1-5)
X is halo, cyano or phenyl, and
Y- is chloride, bromide or iodide, or a suitable anion.
Processing for preparing the same are also described. The compounds are useful in the treatment of edema and hypertension.
新颖的取代吡嗪基-1,2,4-恶二唑,其式如下
的新型取代吡嗪基-1,2,4-恶二唑
R 是氢或低级烷基 (C1-5)、
R1 是氢或低级烷基 (C1-5)
R2 是氢或低级烷基 (C1-5)
R3 是氢或低级烷基(C1-5)、
R 和 R' 可以连接成一个含有 2-4 i 个碳原子的亚烷基、
R4 是低级烷基(C1-5)
X 是卤代、氰基或苯基,以及
Y- 是氯化物、溴化物或碘化物,或合适的阴离子。
此外,还介绍了制备方法。这些化合物可用于治疗水肿和高血压。