Cu-Catalyzed C–H Alkenylation of Benzoic Acid and Acrylic Acid Derivatives with Vinyl Boronates
2020
Li, Jian-Jun | Wang, Cheng-Gang | Yu, Jin-Feng | Wang, Peng | Yu, Jin-Quan
An efficient Cu-catalyzed C–H alkenylation with acyclic and cyclic vinyl boronates was realized for the first time under mild conditions. The scope of the vinyl borons and the compatibility with functional groups including heterocycles are superior than Pd-catalyzed C–H coupling with vinyl borons, providing a reliable access to multisubstituted alkenes and dienes. Subsequent hydrogenation of the product from the internal vinyl borons will lead to installation of secondary alkyls.
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