[1,2,4]Triazolo[4,3-a]quinoxaline-4-amine derivatives of the formula:
and the pharmaceutically acceptable acid addition salts thereof, wherein
X and X1 are each hydrogen, fluorine, chlorine, bromine or methoxy;
Ri is hydrogen, lower alkyl, lower perfluoroalkyl or phenyl; and
R2 and R3 are each hydrogen, lower alkyl, phenylalkyl hav- ing up to three carbon atoms in the alkyl moiety or alkanoyl hav- ng from two to five carbon atoms, provided that at least one of R2 and R3 is always other than hydrogen when X and X1 are each hydrogen and R1 is hydrogen or methyl; or
R2 and R3, when taken together, complete a piperazino ring. The compounds are antidepressants and anti-fatigue agents.
式中的[1,
2,4]三唑并[4,3-a]
喹喔啉-4-胺衍
生物:
及其药学上可接受的酸加成盐,其中
X 和 X1 分别是
氢、
氟、
氯、
溴或甲
氧基;
Ri 是
氢、低级烷基、低级
全氟烷基或
苯基;以及
R2 和 R3 分别是
氢、低级烷基、烷基中含有最多三个
碳原子的
苯基烷基或含有二至五个
碳原子的烷酰基,但当 X 和 X1 均为
氢且 R1 为
氢或
甲基时,R2 和 R3 中至少有一个始终不是
氢;或
当 R2 和 R3 结合在一起时,形成一个
哌嗪环。这些化合物是抗抑郁剂和抗疲劳剂。