申请人:Ciba-Geigy Corporation
公开号:US04115575A1
公开(公告)日:1978-09-19
Heterocyclic compounds of the formula ##STR1## wherein Het denotes optionally substituted pyridazinyl, pyrimidinyl, pyrazinyl or substituted pyridyl, R.sub.1 is hydrogen or methyl and R.sub.2 is lower alkyl, optionally substituted phenyl-lower alkyl, carboxy-lower alkyl or functionally modified carboxy-lower alkyl, their condensation products with aldehydes, ketones or carbonic acid and their N-oxides, which are valuable (cardioselective) .beta.-rezeptor blocking agents, and/or (cardioselective) .beta.-rezeptor-stimulants.
式子为##STR1##的杂环化合物,其中Het表示可选取取代的吡嗪基、嘧啶基、吡咯基或取代的吡啶基,R.sub.1为氢或甲基,R.sub.2为低碳基、可选取取代的苯基-低碳基、羧基-低碳基或功能修饰的羧基-低碳基,它们与醛、酮或碳酸的缩合产物以及它们的N-氧化物是有价值的(心脏选择性)β受体阻滞剂和/或(心脏选择性)β受体激动剂。