Synlett 2022; 33(08): 800-804
DOI: 10.1055/a-1799-7464
letter

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

Haonan Liu
a   Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. of China
,
Yueyong Chen
a   Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. of China
,
Deng An
a   Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. of China
,
Xun Zhang
a   Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. of China
,
Saihu Liao
a   Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. of China
b   Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. of China
› Author Affiliations
We gratefully acknowledge the Recruitment Program of Global Experts, the Beijing National Laboratory for Molecular Sciences (BNLMS201913), and Fuzhou University for the financial support.


Abstract

Appropriately substituted 1,1′-bi-2-naphthols (BINOLs) are demonstrated as effective photoacid catalysts 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, near neutral conditions.

Supporting Information



Publication History

Received: 17 January 2022

Accepted after revision: 15 March 2022

Accepted Manuscript online:
15 March 2022

Article published online:
19 April 2022

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