Methods and compositions using as active ingredients 2-(3H)-indolones whose structures having an aminoalkyl substituent at position 4 and a hydroxy group at position 7 of the indolone nucleus are used to produce selective dopaminergic activity resulting in improved kidney function, relief of the symptoms of congestive heart failure, long lasting anti-hypertensive activity and anti-anginal activity. A species of the active ingredients is 4-di-n-propylaminoethyl-7-hydroxy-2(3H)-indolone or its salts.
使用具有在4位处具有
氨基烷基取代基和在indolone核的7位处具有羟基取代基的2-(3H)-
吲哚酮作为活性成分的方法和组合物,用于产生选择性
多巴胺能活性,从而改善肾功能,缓解充血性心力衰竭症状,具有持久的降压活性和抗心绞痛活性。活性成分的一种是4-二-n-丙基
氨乙基-7-羟基-2(3H)-
吲哚酮或其盐。