Heterocyclic compounds of the following formula:
wherein the dotted line designates an optional bond, and "het", R¹, R², R³, R⁴ and R⁵ are as defined in Claim 1,
as well as individual stereo isomers and pharmaceutically acceptable acid addition salts thereof are new and described as having potent acetylcholine (AcCh) agonist activity, indicating utility in the treatment of diseases caused by reduced function of AcCh in the brain.
Pharmaceutical compositions containing a compound of Formula I, and methods for the preparation of the said novel compounds are likewise described.
下式的
杂环化合物:
其中虚线表示任选键,"het"、R¹、R²、R³、R⁴ 和 R⁵ 如权利要求 1 所定义、
以及它们的单个立体异构体和药学上可接受的酸加成盐都是新的,并被描述为具有强效
乙酰胆碱(AcCh)激动剂活性,表明可用于治疗因大脑中AcCh功能降低而引起的疾病。
同样还描述了含有式 I 化合物的药物组合物以及制备上述新型化合物的方法。