申请人:Roussel Uclaf
公开号:US04925846A1
公开(公告)日:1990-05-15
A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is thiazol-2-yl optionally substituted by 1 or 2 alkyl of 1 to 3 carbon atoms optionally substituted by one or more fluorine or --COOAlk, Alk is alkyl of 1 to 3 carbon atoms, R.sub.2 and R.sub.3 are individually selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms and alkenyl of 2 to 5 carbon atoms or R.sub.2 and R.sub.3 together form alkylene of 3 to 5 carbon atoms, X is oxygen or sulfur and R.sub.4 is alkyl of 1 to 3 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having minor tranquillizing activity and useful for the treatment of obesity and cognitive impairment.
从以下化合物中选取一种化合物:其中R.sub.1为噻唑-2-基,可选择地被1或2个1至3个碳原子的烷基取代,或者选择地被一个或多个氟或--COOAlk取代,Alk为1至3个碳原子的烷基,R.sub.2和R.sub.3分别选自氢、1至3个碳原子的烷基和2至5个碳原子的烯基,或者R.sub.2和R.sub.3一起形成3至5个碳原子的烷基,X为氧或硫,R.sub.4为1至3个碳原子的烷基及其无毒、药学上可接受的酸盐,具有轻微镇静作用,适用于肥胖和认知障碍的治疗。