O. Cherkaoui et al., TRIAZOLOBENZODIAZEPINE DERIVATIVE .3. SYNTHESIS OF S-TRIAZOLO-[4,3-A]-BENZIMIDAZOLO[1,2-D] [1,4]-BENZODIAZEPINES, Synthetic communications, 25(20), 1995, pp. 3287-3292
A 7H-benzimidazolo-[1,2-d] [1,4]-benzodiazepin-6(5H)-one was isolated
in high yield from a condensation reaction of 2-(o-aminophenyl)benzimi
dazole with bromoacetyl bromide. The reactivity of 7H-benzimidazolo-[1
,2-d] [1,4]-benzodiazepin-6(5H)-one have been studied.