Oxidative cyclization of 2-arylphenols to dibenzofurans under Pd(II)/peroxybenzoate catalysis

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Abstract

2-Arylphenols undergo intramolecular C-H bond activation/C-O bond formation to afford dibenzofuran derivatives under palladium catalysis in the presence of tert-butyl peroxybenzoate as an oxidant. Kinetic isotope effect experiments indicated that C-H bond cleavage is the rate-limiting step of the reaction.

Original languageEnglish
Pages (from-to)5504-5507
Number of pages4
JournalOrganic Letters
Volume13
Issue number20
DOIs
Publication statusPublished - 2011 Oct 21

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