Acetalization of Enol Ethers with Alcohols under Visible Light Irradiation Using BINOLs as Photoacid Catalysts

Haonan Liu, Yueyong Chen, Deng An, Xun Zhang*, Saihu Liao*

*State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China, Email: xzhangchemqq.com, shliaofzu.edu.cn

H. Liu, Y. Chen, D. An, X. Zhang, S. Liao, Synlett, 2022, 33, 800-804.

DOI: 10.1055/a-1799-7464

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Abstract

A perfluorophenyl substituted 1,1′-bi-2-naphthol (BINOL) is an effective photoacid catalyst for promoting the acetalization of enol ethers with alcohols under irradiation with visible light. The reactions proceed efficiently with a wide range of substrates under mild and near neutral conditions.

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Key Words

BINOL, photoacids, acetals, lactols, visible light, photochemistry, organocatalysis, acetalization

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ID: J72-Y2022