申请人:Kowa Co., Ltd.
公开号:US05510366A1
公开(公告)日:1996-04-23
An indole derivative represented by formula (1), ##STR1## wherein A is a group ##STR2## wherein R.sup.10 is hydrogen or lower alkyl, dotted lines may optionally be present, and R.sup.1 -R.sup.9 represents various substitutional groups. The compound (1) exhibits a positive inotropic action on cardiac muscle, an anti-arrhythmic action, and a vasodilation action without increasing the heart rate. A heart affection therapeutic agent comprising this compound as an effective component is extremely effective for treating heart failures and arrhythmia.
公式(1)所代表的吲哚衍生物,其中A是一个基团,其中R.sup.10是氢或较低的烷基,可能存在虚线,而R.sup.1-R.sup.9代表各种取代基团。化合物(1)对心脏肌肉具有正性肌力作用,具有抗心律失常作用,并且具有扩血管作用而不增加心率。包含该化合物作为有效成分的心脏疗法药剂对治疗心力衰竭和心律失常非常有效。