A facile synthesis of [1,2,3]triazolo[1,5-a]benzodiazepines starting from isatoic anhydrides and involving an intramolecular azide cycloaddition as the key step is reported.
Copper-Catalyzed Tandem Reactions of 2-Iodobenzamides with Sodium Azide: An Efficient Synthesis of [1,2,3]Triazolo[1,5-a][1,4]-benzodiazepin-6(5H)-ones
作者:Yinghong Zhu、Wanli Chen、Haitao Li、Xiaoling Gu
DOI:10.1055/s-0034-1380120
日期:——
Copper-catalyzed tandem reactions between 2-iodobenzamides with a propargyl group on the nitrogen atom moiety and sodiumazide are presented, providing an efficient method for the synthesis of 3-substituted [1,2,3]triazolo[1,5- a ][1,4]benzodiazepin-6(5 H )-ones under mild conditions in moderate yields.