An efficient one-step method for the synthesis of 2-(indolizin-2-yl)benzimidazoles from quinoxalinones and α-picoline via a novel rearrangement
作者:Vakhid A. Mamedov、Dina F. Saifina、Aidar T. Gubaidullin、Alina F. Saifina、Il’dar Kh. Rizvanov
DOI:10.1016/j.tetlet.2008.08.032
日期:2008.10
A highly efficient one-step and versatile method for the synthesis of 2-(indolizin-2-yl)benzimidazoles has been developed on the basis of the novel ring contraction of 3-arylchloromethyl- and alkylchloromethylquinoxalin-2-ones with α-picoline.