申请人:Hoffmann-La Roche Inc.
公开号:US04959359A1
公开(公告)日:1990-09-25
Compounds of the formula ##STR1## wherein R.sub.1 is phenyl substituted with 1 to 3 substituents selected from the group consisting of halogen and lower alkoxy; R.sub.2 is hydrogen, lower alkyl, lower alkanoyl, lower cycloalkanoyl, ##STR2## R.sub.3 and R.sub.4 are independently lower alkyl, phenyl lower alkyl or together form a piperidine or pyrrolidine ring; n is 2 to 4; m is 1 to 2; and pharmaceutically acceptable acid addition salts thereof are described. The compounds of formula I are active as calcium channel blockers and accordingly, are useful as agents for treating ischemia.
该化合物的分子式为##STR1##,其中R.sub.1为苯基,其上有1到3个来自卤素和较低的烷氧基的取代基;R.sub.2为氢、较低的烷基、较低的烷酰基、较低的环烷酰基、##STR2## R.sub.3和R.sub.4分别为较低的烷基、苯基较低的烷基,或者一起形成哌啶或吡咯烷环;n为2到4;m为1到2;以及其药用可接受的酸盐。该式I化合物作为钙通道阻滞剂具有活性,因此可用作治疗缺血的药物。