Iron-Catalyzed C[BOND]O Cross-Couplings of Phenols with Aryl Iodides


  • We are grateful to the Fonds der Chemischen Industrie for financial support. O.B. thanks the Alexander von Humboldt Foundation for a postdoctoral fellowship and A.C. thanks the Basque Government for support through the “Programa de Perfeccionamiento de Doctores en el extranjero del Departamento de Educación, Universidades e Investigación”.


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Low-price coupling: A versatile, practical, and cost-efficient iron-catalyzed O-arylation protocol is applied to the synthesis of a variety of diaryl ethers, which are formed in high yields. Best results were obtained by using FeCl3 and a β-diketo ligand.