A compound of the formula:
wherein A is a group of the formula:
R1 and R' 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: -NR3-,
R3 is hydrogen atom or lower alkyl.
X is methylene or sulphur 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. Also processes for the preparation of these compounds are disclosed.
式的化合物:
其中 A 是式中的基团:
R1 和 R'相同或不同,各自为
氢原子、硝基、
氨基、受保护
氨基、羟基或低级烷
氧基、
Y 是
氧原子或式中的基团:-NR3-、
R3 是
氢原子或低级烷基。
X 是亚
甲基或
硫原子,以及
虚线为任选双键,或其药学上可接受的酸加成盐,可作为治疗意识障碍的药物。此外,还公开了制备这些化合物的工艺。