Journal
CHEMSUSCHEM
Volume 12, Issue 7, Pages 1421-1427Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201802918
Keywords
aryl chloride; photocatalyst; polycarbazole; Suzuki-Miyaura; visible light
Funding
- National Natural Science Foundation of China [21771131, 21471108, 21531006, 21773163]
- Natural Science Foundation of Jiangsu Province [BK20161276]
- State Key Laboratory of Organometallic Chemistry of Shanghai Institute of Organic Chemistry [2018kf-05]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Project of Scientific and Technologic Infrastructure of Suzhou [SZS201708]
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The visible-light-enhanced catalytic activation of aryl chlorides for Suzuki-Miyaura cross-coupling (SMC) reactions is highly challenging because of the strength of the C-Cl bond. In this work, palladium nanoparticles (Pd NPs) were grown on a conjugated nanoporous polycarbazole (CNP), named Pd/CNP. The hybrid material Pd/CNP could catalyze the SMC reactions of aryl chlorides with arylboronic acids in water under blue LED irradiation at room temperature with high efficiency. This protocol exhibited good functional group tolerance and the catalyst could be recycled without significant loss of its catalytic activity. CNP not only provided photogenerated electrons to enrich the electron density of the Pd NPs but also generated holes for the activation of the arylboronic acids.
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