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: wangsznju.edu.cn, yaoznju.edu.cn
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)
see article for more reactions
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.
see article for more examples