A reaction for the synthesis of benzimidazoles and 1H-imidazo[4,5-b]pyridines via a novel rearrangement of quinoxalinones and their aza-analogues when exposed to 1,2-arylenediamines
作者:Vakhid A. Mamedov、Nataliya A. Zhukova、Tat’yana N. Beschastnova、Aidar T. Gubaidullin、Alsu A. Balandina、Shamil K. Latypov
DOI:10.1016/j.tet.2010.10.026
日期:2010.12
An efficient and one-step versatile method for the synthesis of benzimidazoles and 1H-imidazo[4,5-b]pyridines from quinoxalinones and their aza-analogues have been developed on the basis of the novel ring contractions of 3-aroyl-quinoxalinones and their aza-analogues with 1,2-arylenediamines.
基于3-芳酰基-喹喔啉酮的新型环收缩,开发了一种有效的一步法通用方法,该方法可从喹喔啉酮及其氮杂类似物合成苯并咪唑和1 H-咪唑并[4,5- b ]吡啶。以及它们与1,2-芳基二胺的氮杂类似物