Synthesis of 3-Alkyl- or 3-Allenyl-2-amidobenzofurans via Electrophilic Cyclization of o-Anisole-Substituted Ynamides with Carbocations
Organic Letters2013Vol. 15(2), pp. 422–425
Citations Over TimeTop 10% of 2013 papers
Yulong Kong, Kezhi Jiang, Jian Cao, Lingzi Fu, Lian Yu, Guoqiao Lai, Yu‐Ming Cui, Ziqiang Hu, Guan-Hai Wang
Abstract
A facile carbocation-induced electrophilic cyclization reaction has been developed for the synthesis of 3-alkyl- or 3-allenyl-2-amidobenzofurans from o-anisole-substituted ynamides and diarylmethanol or 1,1-diarylprop-2-yn-1-ol.
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