The present invention relates to compounds of formula I ##STR1## wherein X is amino, C.sub.1-6 -alkylamino, di-C.sub.1-6 -alkylamino; R.sup.1 is H, straight or branched C.sub.1-6 -alkyl or trifluoromethyl; R.sup.4 is H or straight or branched C.sub.1-6 -alkyl; or R.sup.1 and R.sup.4 together form a cyclobutyl, cyclopentyl or cyclohexyl ring; Y is O, S, SO.sub.2, N--H or N-alkyl; R.sup.5 is selected from optionally substituted heterocycles; R.sup.6 is hydrogen, benzoyl or C.sub.1-6 -alkanoyl and R.sup.7 is hydrogen, benzoyl or C.sub.1-6 -alkanoyl; or a pharmaceutically acceptable salt thereof. The compounds have been found useful for treating central nervous system and cardiovascular ailments.
本发明涉及公式I的化合物:##STR1## 其中X为
氨基,C.sub.1-6-烷基
氨基,双C.sub.1-6-烷基
氨基;R.sup.1为H,直链或支链C.sub.1-6-烷基或三
氟甲基;R.sup.4为H或直链或支链C.sub.1-6-烷基;或R.sup.1和R.sup.4一起形成
环丁基,环戊基或环己基;Y为O,S,SO.sub.2,N--H或N-烷基;R.sup.5选择从可选取代的杂环中;R.sup.6为氢,苯甲酰或C.sub.1-6-烷酰基,R.sup.7为氢,苯甲酰或C.sub.1-6-烷酰基;或其药学上可接受的盐。这些化合物被发现对治疗中枢神经系统和心血管疾病有用。