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Nickel-catalyzed hydrogenolysis of arenols has been developed through the use of hydrosilane as a reductant. Sterically demanding N-heterocyclic carbene (NHC) ligands are crucial for the reaction. The present protocol allows selective cleavage of Ar–O bonds of arenols over aryl and benzyl ethers.
Ohgi et al. (Wed,) studied this question.