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Modular synthesis of 1,4-diketones through regioselective bis-acylation of olefins by merging NHC and photoredox catalysis
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作者 Jun-Long Li Si-Lin Yang +6 位作者 Qing-Song Dai Hua Huang Lu Jiang Qing-Zhu Li Qi-Wei Wang Xiang Zhang Bo Han 《Chinese Chemical Letters》 SCIE CAS CSCD 2023年第11期169-174,共6页
Efficient and modular synthesis of structurally diverse 1,4-diketones from readily available building blocks represents an essential but challenging task in organic chemistry.Herein,we report a multi-component,regiose... Efficient and modular synthesis of structurally diverse 1,4-diketones from readily available building blocks represents an essential but challenging task in organic chemistry.Herein,we report a multi-component,regioselective bis-acylation of olefins by merging NHC organocatalysis and photoredox catalysis.With this protocol,a broad range of 1,4-diketones could be rapidly assembled using bench-stable feedstock materials.The robustness of this method was further evaluated by sensitivity screening,and good reproductivity was observed.Moreover,the diketone products could be readily converted into functionalized heterocycles,such as multi-substituted furan,pyrrole,and pyridazine.Mechanistic investigations shed light on the NHC and photoredox dual catalytic radical reaction mechanism. 展开更多
关键词 NHC organocatalysis Photoredox catalysis Radical bis-acylation Multi-component reaction 1 4-Diketone synthesis
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