The compound (S)-1-[(10-chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quino-lizin-1-yl)c arbonyl]-3-ethoxypyrrolidine of the formula ##STR1## which has valuable pharmacological properties, is described. In particular, the compound of formula I has a non-sedating, hypnotic, that is, sleep-promoting, activity and can accordingly be used for the treatment of sleep disorders.
描述了具有有价值的药理学特性的化合物(S)-1-[(10-
氯-6,7-二氢-4-氧代-3-苯基-4H-苯并[a]
喹啉-1-基)羰基]-
3-乙氧基吡咯烷的式子##STR1##。特别是,式I的化合物具有非镇静、催眠作用,即促进睡眠的活性,因此可用于治疗睡眠障碍。