Triazolobenzodiazepine Derivative (III): Synthesis of s-Triazolo-[4,3-a]-benzimidazolo-[1,2-d][1,4]-benzodiazepines
作者:O. Cherkaoui、M. Z. Cherkaoui、E. M. Essassi、R. Zniber
DOI:10.1080/00397919508015481
日期:1995.10
Abstract 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)benzimidazole with bromoacetyl bromide. The reactivity of 7H-benzimidazolo-[1,2-d] [1,4]-benzodiazepin-6(5H)-one have been studied.
analog of quinazoline 4(a-e) with propargyl amine (5) proceeded through a one-pot domino reaction leading to a concomitant opening of quinazoline ring followed by its intramolecular ring expansion to produce the corresponding 2-propargyl amino substituted derivatives of benzimidazolo [1,2]-benzodiazepine 6(a-e), which underwent a facile domino click copper-catalyzed cyclo-condensation reaction with NaN3