An Efficient Synthesis of 4-Trifluoromethylated and 4-Perfluoroalkylated Imidazoles from Mesoionic 1,3-Oxazolium-5-olates
作者:Masami Kawase、Setsuo Saito、Teruo Kurihara
DOI:10.3987/com-95-7110
日期:——
4-Trifluoromethyl- and 4-perfluoroalkylimidazoles (4) were conveniently synthesized from mesoionic 4-trifluoroacetyl- or 4-perfluoroacyl-1,3-oxazolium-5-olate (1) via 2-imidazolines (3), which were formed through the regioselective attack of ammonia on the C(2) position of 1.