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Nickel-catalyzed cross-coupling of methoxyarenes with trimethylaluminum is described. The use of 1,3-dicyclohexylimidazol-2-ylidene as a ligand and NaOtBu as a base promotes the methylation of anisole derivatives via the cleavage of normally unreactive aryl carbon–oxygen bonds.
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Morioka et al. (2015) studied this question.
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