Compounds of formula I ##STR1## and pharmaceutically acceptable salts thereof in which m is 0, 1 or 2; n is 2, 3, 4 or 5; X is carbonyl or a group of formula II ##STR2## in which R.sub.5 is H or alkyl; Y is an alkylene chain optionally substituted by one or more alkyl groups; Z is an alkylene chain containing 2 to 5 carbon atoms optionally substituted by one or more alkyl groups; R is phenyl optionally substituted by one or more halo substituents or R is naphthyl; and R.sub.1 and R.sub.2, which are the same or different, are H, alkyl, or arylalkyl, provided that when R.sub.1 is benzyl, R.sub.2 is H or methyl; have utility in the treatment of depression, anxiety, Parkinson's disease, obesity, cognitive disorders, seizures, neurological disorders such as epilepsy, and as neuroprotective agents to protect against conditions such as stroke.
化学式为I ##STR1## 的化合物及其药用盐,其中m为0、1或2;n为2、3、4或5;X为羰基或
化学式II ##STR2## 中的一种基团,其中R.sub.5为H或烷基;Y为一条可选择地被一个或多个烷基取代的烷基链;Z为含有2至5个碳原子的烷基链,可选择地被一个或多个烷基取代;R为苯基,可选择地被一个或多个卤素取代,或者R为
萘基;R.sub.1和R.sub.2,它们相同或不同,为H、烷基或芳基烷基,但当R.sub.1为苄基时,R.sub.2为H或甲基;在抑郁症、焦虑症、帕
金森病、肥胖症、认知障碍、癫痫、癫痫等神经系统疾病的治疗中具有用途,并可作为神经保护剂用于预防中风等疾病。