期刊
ORGANIC CHEMISTRY FRONTIERS
卷 5, 期 23, 页码 3483-3487出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8qo00950c
关键词
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资金
- NSFC [21472071, 21602087]
- Outstanding Youth Fund of JSNU [YQ2015003]
- NSF of Jiangsu Province [BK20160212]
- Qing Lan Project of Jiangsu Education Committee
A new dehydrogenative [4 + 1] annulation of para-quinone methides (p-QMs) with acyclic and cyclic phenyl iodonium ylides has been established, delivering a variety of functionalized 2,3-dihydrobenzofurans with the retention of the quinone methide unit in generally good yields. The reaction pathway involves 1,6-nucleophilic addition, nucleophilic substitution and oxidation under mild metal-free and convenient conditions, and provides a practical access to construct benzofuran frameworks.
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