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Radical Hydrosilylation of Alkynes Catalyzed by Eosin Y and Thiol under Visible Light Irradiation

Jing Zhu, Wei-Chen Cui, Shaozhong Wang* and Zhu-Jun Yao*

*School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China, Email:,

J. Zhu, W.-C. Cui, S. Wang, Z.-J. Yao, Org. Lett., 2018, 20, 3174-3178.

DOI: 10.1021/acs.orglett.8b00909 (free Supporting Information)

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The use of 1 mol % Eosin Y as a photocatalyst enables a visible light-promoted hydrosilylation of alkynes in the presence of a catalytic amount of thiol as a radical quencher to provide alkenylsilanes with high regio- and stereoselectivites.

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Key Words

vinylsilanes, photochemistry

ID: J54-Y2018