Abstract
Basic derivatives of 6,7-dihydroindolo[1,7-ab][1]benzazepine and 6H-indolo[7,1-cd][1,5]benzoxazepine incorporating the imipramine basic side chain were synthesized and screened for antidepressant activity in mice. With few exceptions, the compounds unsubstituted at C-2 antagonized reserpine-induced ptosis and hypothermia showing negligible anticholinergic and antihistaminic properties. The compound 1-[2-(N-methyl-N-benzylamino)ethyl]-6,7-dihydroindolo[1,7-ab][1]benzazepine had the highest toxicity-activity ratio.
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