Tetrahedron letters

Unexpected reactions of 1, 4-diaza-1, 3-dienes under acylating conditions. A new cyclization to non-acylated imidazole derivatives

D Armesto, P Bosch, WM Horspool, MJ Ortiz

Index: Armesto, Diego; Bosch, Paula; Horspool, William M.; Ortiz, Maria J. Tetrahedron Letters, 1987 , vol. 28, # 39 p. 4605 - 4608

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Citation Number: 2

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 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.