申请人:Sanawa Kagaku Kenkyusho Company, Ltd.
公开号:US05434165A1
公开(公告)日:1995-07-18
An aromatic amino-substituted compound represented by formula: ##STR1## wherein A represents CH, N, or N.fwdarw.O; R.sub.1 represents a nitro group or an amino group; R.sub.2 represents a hydrogen atom, a lower alkyl group, or an acyl group; and R.sub.3 represents a group: ##STR2## wherein m represents 0 or 1; n represents an integer of from 0 to 3; R.sub.4 and R.sub.5 each represents a hydrogen atom or a lower alkyl group; R.sub.6 and R.sub.7 each represents a hydrogen atom or a straight chain or branched lower alkyl group; R.sub.4 and R.sub.6 may be joined together to form an alkylene chain forming a heterocyclic ring; R.sub.5 and R.sub.7 may be joined together to form an alkylene chain forming a heterocyclic ring and R.sub.6 and R.sub.7 may be joined together to form an alkylene chain forming a heterocyclic ring, or a pharmaceutically acceptable salt thereof, a process for producing the same, and a method for preventing or treating brain disfunction such as senile dementia or Alzheimer's disease by administering a nootropic agent containing the same as an active ingredient are disclosed.
一种芳香族氨基取代化合物,其化学式表示为:##STR1## 其中A代表CH、N或N.fwdarw.O;R.sub.1代表硝基基团或氨基团;R.sub.2代表氢原子、较低的烷基基团或酰基团;R.sub.3代表一个基团:##STR2## 其中m表示0或1;n表示0到3的整数;R.sub.4和R.sub.5分别代表氢原子或较低的烷基基团;R.sub.6和R.sub.7分别代表氢原子或直链或支链较低的烷基基团;R.sub.4和R.sub.6可以结合在一起形成形成杂环环的烷基链;R.sub.5和R.sub.7可以结合在一起形成形成杂环环的烷基链,R.sub.6和R.sub.7可以结合在一起形成形成杂环环的烷基链,或其药学上可接受的盐,公开了一种制备该化合物的方法,以及通过给予含有该化合物作为活性成分的智力药剂来预防或治疗脑功能障碍,如老年性痴呆症或阿尔茨海默病的方法。