Di-N-substituted piperazine or 1,4-di-substituted piperidine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein Q, n, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations with acetyl-cholinesterase inhibitors of compounds capable of enhancing acetylcholine release and having the above formula.
根据以下公式I中的Di-N-取代
哌嗪或1,4-二取代
哌啶化合物(包括所有异构体、盐、酯和溶剂合物)##STR1## 其中Q、n、R、R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.21、R.sup.27、R.sup.28、X和Z如本文所定义的是治疗认知障碍如阿尔茨海默病的
胆碱能拮抗剂。还公开了制药组合物和制备方法。还公开了与能增强
乙酰胆碱释放并具有上述公式的
乙酰胆碱酯酶抑制剂的化合物的协同组合。