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Visible-Light Photoredox Borylation of Aryl Halides and Subsequent Aerobic Oxidative Hydroxylation

Min Jiang, Haijun Yang and Hua Fu*

*Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China, Email: fuhuamail.tsinghua.edu.cn

M. Jiang, H. Yang, H. Fu, Org. Lett., 2016, 18, 5248-5251.

DOI: 10.1021/acs.orglett.6b02553 (free Supporting Information)


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Abstract

In an efficient and practical visible-light photoredox borylation of aryl halides and subsequent aerobic oxidative hydroxylation, readily available aryl halides and bis(pinacolato)diboron can be used as the starting materials and fac-Ir(ppy)3 as the photocatalyst. The reaction provides a wide range of arylboronic esters and phenols in good yields. The methods show some advantages including simple equipment, mild conditions, and easy operation.

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Key Words

borylation


ID: J54-Y2016