申请人:SANWA KAGAKU KENKYUSHO CO., LTD.
公开号:EP0647642A1
公开(公告)日:1995-04-12
There is disclosed a compound shown by a formula of
wherein R₁ is a hydrogen atom, alkyl group having 1 - 4 carbon atoms or acyl group having 1 - 4 carbon atoms; R₂ and R₃ are a hydrogen atom, alkyl group having 1 - 4 carbon atoms, phenyl radical, halogen atom, cyano radical, acyl group having 1 - 4 carbon atoms, nitro radical, alkoxy group having 1 or 2 carbon atoms, or substituted or non-substituted amino group, respectively; n is an integer of 1 - 3; and dotted line means a possible ring,
and a salt thereof. The compound and salt bind with muscarinic receptor in brain to develop a powerful actuation thereof and thus those can be used as an effective ingredient for preventing and curing senile dementias, and more particularly Alzheimer's disease.
本发明揭示了一种化合物,其化学式如下:其中,R₁表示氢原子、1-4个碳原子的烷基或1-4个碳原子的酰基基团;R₂和R₃分别表示氢原子、1-4个碳原子的烷基、苯基、卤原子、氰基、1-4个碳原子的酰基、硝基、1或2个碳原子的烷氧基或取代或未取代的氨基基团;n是1-3的整数;虚线表示可能的环,并且其盐。该化合物和盐与大脑中的肌动蛋白受体结合,从而发挥强大的作用,因此可以用作预防和治疗老年痴呆症,特别是阿尔茨海默病的有效成分。