Abstract 7-Chloro-5-phenyl-1, 3-dihydro-1, 4-benzodiazepin-2-thione and its 5-(2- chlorophenyl) and 7-bromo-5-(2-chlorophenyl) analogues were reacted with N- (methanesulfonyl)-and N-(ethanesulfonyl) glycine and–alanine hydrazides (X-XIII) in boiling butanol to give the title compounds Iabc-IVabc. The alanine-derived substances IIIabc and IVabc were characterized by 1 H NMR spectra as mixtures of two diastereoisomers. ...