Citation: Zhi-Feng Jiao, Ji-Xiao Zhao, Xiao-Ning Guo, Xiang-Yun Guo. Photocatalytic C-X borylation of aryl halides by hierarchical SiC nanowire-supported Pd nanoparticles[J]. Chinese Journal of Catalysis, ;2020, 41(2): 357-363. doi: S1872-2067(19)63449-2 shu

Photocatalytic C-X borylation of aryl halides by hierarchical SiC nanowire-supported Pd nanoparticles

a State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, Shanxi, China;
b Institut für Anorganische Chemie, and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany;
c School of Petrochemical Engineering, Changzhou University, Changzhou 213164, Jiangsu, China;
d Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 17 May 2019
Revised Date: 10 July 2019

Fund Project: This work was supported by the National Natural Science Foudation of China (21473232, 21673271, U1710112).

Hierarchical SiC nanowire-supported Pd nanoparticles showed high photocatalytic activity for the C-X (X=Br, I) borylation of aryl halides at 30℃. The SiC/Pd Mott-Schottky contact enhances the rapid transfer of the photogenerated electrons from SiC to the Pd nanoparticles. As a result, the concentrated energetic electrons in the Pd nanoparticles can facilitate the cleavage of C-I or C-Br bonds, which normally requires high-temperature thermal processes. We show that the present Pd/SiC photocatalyst is capable of catalyzing the transformation of a large variety of aryl halides to their corresponding boronate esters under visible light irradiation, with excellent yields.
- Boronate esters,
- Carbon-halogen activation,
- Hierarchical SiC nanowires,
- Pd nanoparticles,
- Photocatalysis
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