申请人:Mitsui Toatsu Chemicals, Inc.
公开号:US04782154A1
公开(公告)日:1988-11-01
The isoquinoline derivatives represented by the following general formula (I) are useful as cardiotonics having high cardiotonic activity and low toxicity: ##STR1## where R.sub.1 represents a lower C.sub.1 -C.sub.4 alkyl group or cyclopropyl group, R.sub.2 represents formyl group, lower C.sub.1 -C.sub.4 alkanoyl group and benzoyl group, lower C.sub.1 -C.sub.4 alkyl group, lower C.sub.1 -C.sub.4 alkenyl group, lower C.sub.1 -C.sub.4 hydroxy substituted alkyl group, C.sub.1 -C.sub.4 perfluoroalkyl group and R.sub.3 represents 4-pyridyl group or 2-pyridyl group respectively, and the therapeutically acceptable salts thereof are also useful as cardiotonics.
以下通式(I)所表示的异喹啉衍生物具有高心力活性和低毒性,可用作心脏强心剂:##STR1## 其中R.sub.1代表较低的C.sub.1-C.sub.4烷基或环丙基,R.sub.2代表甲酰基,较低的C.sub.1-C.sub.4酰基和苯甲酰基,较低的C.sub.1-C.sub.4烷基,较低的C.sub.1-C.sub.4烯基,较低的C.sub.1-C.sub.4羟基取代的烷基,C.sub.1-C.sub.4全氟烷基和R.sub.3分别代表4-吡啶基或2-吡啶基,其治疗上可接受的盐也可用作心脏强心剂。