Compounds of the formula: ##SPC1## Wherein R.sup.1 and R.sup.2 are the same or different and each stands for hydrogen atom or alkyl group which may be substituted by hydroxy or/and alkoxy group; R.sup.1 and R.sup.2 may, taken together with the adjacent nitrogen atom, form a heterocyclic ring; R.sup.3 stands for hydrogen atom or lower alkyl group; Q stands for ethylene or trimethylene group which may be substituted by lower alkyl group; Y stands for --O--, --S-- or --NH--; and rings A and B are unsubstituted or substituted by halogen atom, nitro, alkyl, trifluoromethyl or/and alkoxy group, and pharmaceutically acceptable salts thereof, are useful as tranquilizers, muscle relaxants, sedatives, anticonvulsants, sleep inducers, etc.
分子式为:##
SPC1## 其中R.sup.1和R.sup.2相同或不同,每个都代表氢原子或烷基,可以被羟基或/和烷氧基取代;R.sup.1和R.sup.2可以与相邻的氮原子一起形成杂环;R.sup.3代表氢原子或低烷基;Q代表可以被低烷基取代的
乙烯基或三甲基
乙烷基;Y代表--O--,--S--或--NH--;环A和环B未取代或被卤素原子、硝基、烷基、三
氟甲基或/和烷氧基取代,以及其药学上可接受的盐,可用作镇静剂、肌肉松弛剂、镇痛剂、抗癫痫药、催眠剂等。