abstract |
The compound (S)-1-[(10-chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quino-lizin-1-yl)carbonyl]-3-ethoxypyrrolidine of the formula <IMAGE> I 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. |