Direct Vilsmeier-Haack Chloroacetylation of Pyrroles
作者:Piero Dalla Croce、Concetta La Rosa、Alberto Ritieni
DOI:10.1055/s-1989-27396
日期:——
Reaction of pyrroles with N,N-dimethyl-2-chloroacetamide in the presence of phosphorus oxychloride leads to a mixture of 2- and 3-chloroacetylpyrroles, which can be separated by chromatography.