Wet carbonate-promoted radical arylation of vinyl pinacolboronates with diaryliodonium salts yields substituted olefins.
Wet carbonate-promoted radical arylation of vinyl pinacolboronates with diaryliodonium salts yields substituted olefins.
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乙烯基频哪醇硼酸酯与二芳基碘鎓盐的湿式碳酸酯促进的自由基芳基化产生取代的烯烃
DOI:
10.1038/s42004-020-00343-8
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发表时间:
2020-07-22
影响因子:
5.9
通讯作者:
Chen C
中科院分区:
文献类型:
--
作者:
Wu C;Zhao C;Zhou J;Hu HS;Li J;Wu P;Chen C
Since the landmark work of Heck, Negishi and Suzuki on Pd-catalyzed crossing coupling reactions, innovative discovery of new reactions forming C-C bonds and constructing functional olefins via nonmetal catalysts remains an imperative area in organic chemistry. Herein, we report a transition-metal-free arylation method of vinyl pinacolboronates with diaryliodonium salts to form C(sp2)-C(sp2) bond and provide trans-arylvinylboronates. The resulting vinylboronates can further react with the remaining aryl iodides (generated from diaryliodonium salts) via Suzuki coupling to afford functional olefins, offering an efficient use of aryliodonium salts. Computational mechanistic studies suggest radical-pair pathway of the diaryliodonium salts promoted by the multi-functional wet carbonate.
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