Visible-Light-Enhanced Suzuki–Miyaura Reactions of Aryl Chlorides in Water with Pd NPs Supported on a Conjugated Nanoporous Polycarbazole

Bin Guo, Hong Xi Li, Cheng Hao Zha, David James Young, Hai Yan Li, Jian Ping Lang

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)1421-1427
Number of pages7
JournalChemSusChem
Volume12
Issue number7
Early online date22 Jan 2019
DOIs
Publication statusPublished - 5 Apr 2019

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