Abstract
A Bi(OTf)3-catalyzed oxidative cross-coupling reaction of 3-hydroxycarbazoles with arenols was developed under mild conditions. Both substrates were used in a 1:1 molar ratio in the presence of a catalytic amount of Bi(OTf)3. The reaction was carried out under an oxygen atmosphere at 30 °C to afford C1-symmetric hydroxybiaryls in good yields (up to 94%) with high chemo- and regioselectivity.
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