Abstract

Acidified multi-walled carbon nanotubes (CNT-COOH) are easily produced and highly compatible with an eco-friendly oxidant, hydrogen peroxide (H2O2), for ipso-hydroxylation of various arylboronic acids under aerobic conditions. The conversion proceeded smoothly at room temperature in a short reaction time, providing the corresponding phenolic derivatives in good to excellent yields. Owing to the easy recovery and reusability of the promoter, the present protocol represents a valuable alternative for functional group transformation of arylboronic acids.

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