申请人:Takeda Chemical Industries, Ltd.
公开号:US05376681A1
公开(公告)日:1994-12-27
A novel aminocoumaran derivatives of the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are a hydrogen atom, an acyl group, an alkoxycarbonyl group, an aliphatic group or aromatic group; R.sup.3 R.sup.4 and R.sup.5 are an optionally acylated hydroxyl optionally substituted amino group, alkoxy group or aliphatic group, or two of R.sup.3, R.sup.4 and R.sup.5 may be linked together to form a carbocyclic group; R.sup.6 and R.sup.7 are an aliphatic group and at least one of them has a methylene group at the .alpha.-position; R.sup.8 and R.sup.9 are a hydrogen atom or an aliphatic group or aromatic group, or a salt thereof is useful for medicines for preventing and treating various diseases such as arterial schleosis, hepatopathy, cerebrovascular diseases and the like.
一种一般式(I)的新型氨基香豆素衍生物:##STR1##其中R.sup.1和R.sup.2是氢原子、酰基、烷氧羰基、脂肪基或芳香基;R.sup.3、R.sup.4和R.sup.5是可选酰化的羟基、可选取代的氨基、烷氧基或脂肪基,或者R.sup.3、R.sup.4和R.sup.5中的两个可以连接在一起形成一个碳环基团;R.sup.6和R.sup.7是脂肪基,其中至少一个在α-位置有一个亚甲基基团;R.sup.8和R.sup.9是氢原子或脂肪基或芳香基,或其盐,用于预防和治疗各种疾病,如动脉硬化、肝病、脑血管疾病等。