Abstract Reactions of N-(6, 11-dihydrodibenzo [b, e] thiepin-11-yl) chloroacetamide (II) with dimethylamine, morpholine, and 2-(1-piperazinyl) ethanol afforded the amino amides III-V. Substitution reactions of 11-chloro-6, 11-dihydrodibenzo [b, e] thiepin with ethylenediamine and N, N-dimethylethylenediamine gave the diamines VI and VII. 6, 11-Dihydrodibenzo [b, e] thiepin-11-amine (I) was treated with ethyl chloroacetate and ethyl 2-bromopropionate to ...