A compound of the formula: ##STR1## wherein A is a group of the formula: ##STR2## R.sup.1 and R.sup.2 are the same or different and each hydrogen atom, nitro, amino, a protected amino, hydroxy or lower alkoxy, Y is oxygen atom or a group of the formula: --NR.sup.3 --, R.sup.3 is hydrogen atom or lower alkyl, X is methylene or sulfur atom and the dotted line is an optional double bond, or a pharmaceutically acceptable acid addition salt thereof is useful as a medicine for the treatment of consciousness disorders.
公式为:##
STR1## 其中A是公式为:##
STR2## 的基团,R.sup.1和R.sup.2相同或不同,分别为
氢原子、硝基、
氨基、保护
氨基、羟基或低
碳基
氧基,Y是
氧原子或公式为:--NR.sup.3 --的基团,R.sup.3是
氢原子或低
碳基,X是亚
甲基或
硫原子,虚线是可选的双键,或其药学上可接受的酸加盐,用于治疗意识障碍的药物。