期刊
ORGANIC LETTERS
卷 20, 期 23, 页码 7522-7525出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b03278
关键词
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资金
- National Science Foundation of China [21722204, 21472112]
- Fok Ying Tung Education Foundation [151035]
A practical and modular three-component alkene oxyarylation with benzoquinone and H2O to rapidly access C-3-substituted dihydrobenzofurans has been developed. The (NH4)(2)S2O8-mediated redox-relay process has an excellent regioselectivity and functional group tolerance and exhibits a broad scope of simple alkenes, rapidly furnishing a variety of the substructures that would require multiple steps to prepare with traditional methods. Mechanistic studies revealed a dual role of benzoquinone serving as both the arylation agent and the origin of dihydroquinone for the reductive cyclization step.
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