The coupling of alkylboronic acids and esters with Baylis–Hillman derivatives by Lewis base/photoredox dual catalysis |
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| Authors: | Hongqiang Ye He Zhao Shujian Ren Hongfeng Ye Dongping Cheng Xiaonian Li Xiaoliang Xu |
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| Institution: | 1. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, PR China;2. College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, PR China |
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| Abstract: | Utilizing Lewis base/photoredox dual catalysis, carbon radicals generated from either alkylboronic acids or esters were coupled with Baylis–Hillman derivatives under visible light irradiation. This protocol provides a mild and operationally simple method for the synthesis of a variety of α,β-unsaturated carbonyl compounds in a broad scope of the substrates. The mechanism of Lewis base activation and reductive quenching cycle was probably involved. |
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| Keywords: | Visible light photocatalysis Lewis base activation Alkylboronic acids and esters Baylis–Hillman derivatives |
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