Direct Vilsmeier-Haack Chloroacetylation of Pyrroles
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.
Croce, Piero Dalla,Rosa, Concetta La,Ritieni, Alberto
Reaction of acetylpyrroles with benzyltrimethylammonium dichloroiodate in tetrahydrofuran solution leads to the corresponding α-chloro derivatives with high selectivity and good yields.
Croce, Piero Dalla,Ferraccioli, Rafaella,Ritieni, Alberto
p. 212 - 213
(2007/10/02)
Direct Vilsmeier-Haack Chloroacetylation of Pyrroles
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Croce, Piero Dalla,La Rosa, Concetta,Ritieni, Alberto
p. 783 - 784
(2017/11/14)
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