Unexpected reactions of 1,4-diaza-1,3-dienes under acylating conditions. A new cyclization to non-acylated imidazole derivatives
作者:Diego Armesto、Paula Bosch、William M. Horspool、Maria J. Ortiz
DOI:10.1016/s0040-4039(00)96577-8
日期:1987.1
The reaction of anions from 1,2-bisimines with acid chlorides gives unacylated 2H-imidazoles. The unprecedented reactivity of these anions is interpreted by cyclization of the radical generated by electron transfer from the anion to the acid chloride.