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An efficient copper-catalyzed direct C(sp2)-H/C(sp3)-H coupling reaction of aza-aromatic rings with fluoroalcohols is developed. A variety of useful building blocks including hydroxyfluoroalkylated aniline, pyrrole, and indole derivatives bearing a quaternary… Click to show full abstract
An efficient copper-catalyzed direct C(sp2)-H/C(sp3)-H coupling reaction of aza-aromatic rings with fluoroalcohols is developed. A variety of useful building blocks including hydroxyfluoroalkylated aniline, pyrrole, and indole derivatives bearing a quaternary carbon center could be constructed with high regioselectivity and good to excellent yields under very mild reaction conditions. The reaction is believed to undergo a fluoroalcohol oxidation and to follow an electronic addition reaction pathway.
Journal Title: Organic letters
Year Published: 2020
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