申请人:Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
公开号:US04409220A1
公开(公告)日:1983-10-11
Compounds of the formula ##STR1## wherein A and B, which may be the same or different, each represent methylene, (alkyl of 1 to 3 carbon atoms)-methylene, ethylene or (alkyl of 1 to 3 carbon atoms)-ethylene; R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 3 to 6 carbon atoms, phenyl-(alkyl of 1 to 3 carbon atoms), halophenyl-(alkyl of 1 to 3 carbon atoms), alkanoyl of 1 to 3 carbon atoms, phenyl-(alkanoyl of 1 to 3 carbon atoms), halophenyl-(alkanoyl of 1 to 3 carbon atoms), alkoxycarbonyl of 2 to 4 carbon atoms, aralkoxycarbonyl of 8 to 10 carbon atoms or phenyl; one of R.sub.2 and R.sub.3 is amino and the other is hydrogen, chlorine, bromine, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, phenyl or halophenyl; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.
化合物的公式为##STR1##其中A和B,可以相同也可以不同,分别表示亚甲基,(1至3个碳原子的烷基)-亚甲基,乙烯或(1至3个碳原子的烷基)-乙烯; R.sub.1为氢,1至6个碳原子的烷基,3至7个碳原子的环烷基,3至6个碳原子的烯基,苯基-(1至3个碳原子的烷基),卤代苯基-(1至3个碳原子的烷基),1至3个碳原子的烷酰基,苯基-(1至3个碳原子的烷酰基),卤代苯基-(1至3个碳原子的烷酰基),2至4个碳原子的烷氧羰基,8至10个碳原子的芳基烷氧羰基或苯基; R.sub.2和R.sub.3中的一个为氨基,另一个为氢,氯,溴,1至3个碳原子的烷基,1至3个碳原子的烷氧基,2至4个碳原子的烷氧羰基,苯基或卤代苯基;以及其无毒、药理学上可接受的酸加成盐。这些化合物及其盐在作为缓慢心跳药方面具有用途。