申请人:Cassella Aktiengesellschaft
公开号:US04258043A1
公开(公告)日:1981-03-24
The present invention relates to new, pharmacologically-valuable antidepressants, which are 2,4,5,6-tetrahydro-1H-pyrazino-[3,2,1-jk]-carbazoles substituted in the 8-position and having the formula I ##STR1## wherein R stands for an alkyl or alkoxy group having 1 to 4 carbon atoms or a fluorine, chlorine or bromine atom, and a method for making them by reacting with ammonia a 6,9-disubstituted 1,2,3,4-tetrahydrocarbazol-1-one of the formula II ##STR2## wherein X denotes a bromine, chlorine or iodine atom or a radical of the formula --O--SO.sub.2 --R', and R' is an alkyl radical having 1 to 3 carbon atoms, phenyl or tolyl.
本发明涉及一种新的、具有药理学价值的抗抑郁药物,其为在8位取代的2,4,5,6-四氢-1H-吡嗪-[3,2,1-jk]-咔唑,化学式为I,其中R代表具有1至4个碳原子的烷基或烷氧基,或氟、氯或溴原子。本发明还涉及一种制备这种药物的方法,通过将化学式为II的6,9-二取代的1,2,3,4-四氢咔唑-1-酮与氨反应,其中X代表溴、氯或碘原子或式为--O--SO.sub.2--R'的基团,R'是具有1至3个碳原子的烷基、苯基或甲苯基。