A visible-light-photocatalytic water-splitting strategy for sustainable hydrogenation/deuteration of aryl chlorides

被引:0
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作者
Xiang Ling
Yangsen Xu
Shaoping Wu
Mofan Liu
Peng Yang
Chuntian Qiu
Guoqiang Zhang
Hongwei Zhou
Chenliang Su
机构
[1] Shenzhen University,International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Micro
[2] Northwest University,School of Pharmacy; Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education; Biomedicine Key Laboratory of Shaanxi Province
[3] Yunnan University,Yunnan Key Laboratory for Micro/nano Materials & Technology, the School of Materials Science and Engineering
[4] Jiaxing University,College of Biological, Chemical Science and Engineering
来源
Science China Chemistry | 2020年 / 63卷
关键词
deuteration; water-splitting; aryl chlorides; Pd nanosheets; carbon nitride;
D O I
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学科分类号
摘要
Hydrogenation/deuteration of carbon chloride (C−Cl) bonds is of high significance but remains a remarkable challenge in synthetic chemistry, especially using safe and inexpensive hydrogen donors. In this article, a visible-light-photocatalytic watersplitting hydrogenation technology (WSHT) is proposed to in-situ generate active H-species (i.e., Had) for controllable hydrogenation of aryl chlorides instead of using flammable H2. When applying heavy water-splitting systems, we could selectively install deuterium at the C−Cl position of aryl chlorides under mild conditions for the sustainable synthesis of high-valued added deuterated chemicals. Sub-micrometer Pd nanosheets (Pd NSs) decorated crystallined polymeric carbon nitrides (CPCN) is developed as the bifunctional photocatalyst, whereas Pd NSs not only serve as a cocatalyst of CPCN to generate and stabilize H (D)-species but also play a significant role in the sequential activation and hydrogenation/deuteration of C−Cl bonds. This article highlights a photocatalytic-WSHT for controllable hydrogenation/deuteration of low-cost aryl chlorides, providing a promising way for the photosynthesis of high-valued added chemicals instead of the hydrogen evolution.
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页码:386 / 392
页数:6
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