Volume 60, Issue 16 pp. 8744-8749
Communication

Electrochemical Radical Silyl-Oxygenation of Activated Alkenes

Dr. Jie Ke

Dr. Jie Ke

Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055 China

These authors contributed equally to this work.

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Dr. Wentan Liu

Dr. Wentan Liu

Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055 China

These authors contributed equally to this work.

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Xujiang Zhu

Xujiang Zhu

Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055 China

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Xingfa Tan

Xingfa Tan

Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055 China

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Prof. Dr. Chuan He

Corresponding Author

Prof. Dr. Chuan He

Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055 China

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First published: 03 February 2021
Citations: 96

Dedicated to the 10th anniversary of Department of Chemistry, SUSTech

Graphical Abstract

An efficient electrochemical radical silyl-oxygenation of electron-deficient alkenes is demonstrated, which gives access to a variety of highly functionalized silicon-containing molecules, including β-silyl-cyanohydrin derivatives in good yields with excellent chemo- and regio-selectivity under mild conditions without the use of transition-metal catalyst or chemical oxidant.

Abstract

An efficient electrochemical radical silyl-oxygenation of electron-deficient alkenes is demonstrated, which gives access to a variety of new highly functionalized silicon-containing molecules, including β-silyl-cyanohydrin derivatives in good yields with excellent chemo- and regio-selectivity. This electrochemical radical silylation process conducts under mild conditions without the use of transition metal catalyst or chemical oxidant and exhibits a wide scope of substrate silanes with high functional-group tolerance. The ability to access silyl radicals using electrochemical Si−H activation offers new perspectives for the synthesis of valuable organosilicon compounds in a sustainable and green manner.

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