1,2,3,4-tetrahydropyrrolo(1,2-a)pyrazine derivatives characterized by having a lower alkyl, cyclo(lower)alkyl, phenyl or substituted phenyl at position 1 of the nucleus and optionally further substituted at position 2 of the nucleus with a lower alkyl, cyclo(lower)alkyl, phenyl(lower)alkylene or 2-(indole-3-yl)ethyl are disclosed. The derivatives are useful antidepressant agents. Methods for their preparation also are disclosed.
本发明公开了
1,2,3,4-四氢吡咯并[1,2-a]吡嗪衍
生物,其在核的1位具有较低的烷基、环(较低)烷基、苯基或取代苯基,并且在核的2位可以选择性地进一步取代为较低的烷基、环(较低)烷基、苯基(较低)烷基或2-(
吲哚-3-基)乙基。这些衍
生物是有用的抗抑郁剂。本发明还公开了它们的制备方法。