Visible-Light-Driven, Radical-Triggered Tandem Cyclization of o-Hydroxyaryl Enaminones: Facile Access to 3-CF2 /CF3-Containing Chromones

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• 作者：Haoyue Xiang ; Qinglan Zhao ; Zhenyu Tang ; Junan Xiao ; Pengju Xia ; Chaoming Wang ; Chunhao Yang ; Xiaoqing Chen ; Hua Yang
• 刊名：Organic Letters
• 出版年：2017
• 出版时间：January 6, 2017
• 年：2017
• 卷：19
• 期：1
• 页码：146-149
• 全文大小：399K
• ISSN：1523-7052

文摘

A practical and straightforward synthetic route to construct a variety of 3-CF₂/CF₃-containing chromones via photoredox catalysis was developed. This novel protocol features a visible-light-induced radical-triggered tandem cyclization.