申请人:Sanwa Kagaku Kenkyusho Co., Ltd.
公开号:US05530138A1
公开(公告)日:1996-06-25
There is disclosed a compound shown by a formula of ##STR1## wherein R.sub.1 is a hydrogen atom alkyl group having 1-4 carbon atoms or acyl group having 1-4 carbon atoms: R.sub.2 and R.sub.3 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.
公开了一种化合物,其化学式为##STR1##其中R.sub.1是氢原子、具有1-4个碳原子的烷基基团或具有1-4个碳原子的酰基基团;R.sub.2和R.sub.3分别是氢原子、具有1-4个碳原子的烷基基团、苯基基团、卤原子、氰基团、具有1-4个碳原子的酰基基团、硝基基团、具有1或2个碳原子的烷氧基团或取代或未取代的氨基团;n为1-3的整数;虚线表示可能的环,以及其盐。该化合物和盐与脑中的毛细血管收缩素受体结合,从而发挥强大的作用,并可用作预防和治疗老年痴呆症,尤其是阿尔茨海默病的有效成分。