Direct construction of xanthene and benzophenone derivatives via Brønsted acid controlled Diels-Alder reaction of 3-vinylchromones and arynes

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• 作者：Xu-Jiao Huang ; Yuan Tao ; Yue-Kun Li ; Xin-Yan Wu ; ^{xinyanwu@ecust.edu.cn} ; Feng Sha ; ^{shaf@ecust.edu.cn}
• 关键词：Arynes ; 3-Vinylchromones ; Diels-Alder reaction ; 9-Xanthenols ; 2-Hydroxybenzophenones
• 刊名：Tetrahedron
• 出版年：2016
• 出版时间：29 December 2016
• 年：2016
• 卷：72
• 期：52
• 页码：8565-8577
• 全文大小：853 K
• 卷排序：72

文摘

A Brønsted acid controlled Diels-Alder reaction of 3-vinylchromones with arynes has been developed. By employing different kinds and amounts of acid, 9-aryl-9H-xanthen-9-ols or ortho-hydroxybenzophenones could be controllably furnished in good yields in an atom- and step-economic manner.