There are disclosed various compounds of the formula below, ##STR1## where R, R.sub.1, W, X, Y and Z are as defined in the specification; which are useful for alleviating various memory dysfunctions such as Alzheimer's disease, as modulators of neurotransmitter functions such as serotonergic and adrenergic, and as such are useful as antidepressants, anxiolytics, atypical antipsychotics, antienmtics, and for the treatment of personality disorders such as obsessive compulsive disorder.
下面公式中披露了各种化合物,##STR1## 其中R,R.sub.1,W,X,Y和Z如规范中所定义; 这些化合物有助于缓解各种记忆障碍,如阿尔茨海默病,作为神经递质功能的调节剂,如
血清素和
肾上腺素,因此可用作抗抑郁药,
抗焦虑药,非典型
抗精神病药,抗恶心药以及用于治疗个性障碍,如强迫症。