Preparation of benzimidazole N-oxides by a two-step continuous flow process
作者:Fabrizio Politano、Elba I. Buján、Nicholas E. Leadbeater
DOI:10.1007/s10593-017-1992-1
日期:2016.11
A continuous flow process for the synthesis of nitrobenzimidazole N-oxides from 2,6-dinitrochlorobenzene and amines or amino acids is reported. The process, performed in a two-step sequence, is faster than previously reported batch processes and avoids some of the isolation and purification steps.