Synthesis of 3-Alkyl- or 3-Allenyl-2-amidobenzofurans via Electrophilic Cyclization of o-Anisole-Substituted Ynamides with Carbocations

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• 作者：Yulong Kong ; Kezhi Jiang ; Jian Cao ; Lingzi Fu ; Lian Yu ; Guoqiao Lai ; Yuming Cui ; Ziqiang Hu ; Guanhai Wang
• 刊名：Organic Letters
• 出版年：2013
• 出版时间：January 18, 2013
• 年：2013
• 卷：15
• 期：2
• 页码：422-425
• 全文大小：306K
• 年卷期：v.15,no.2(January 18, 2013)
• ISSN：1523-7052

文摘

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.