Fe(III)-Catalyzed Oxidative Coupling of Alkylnitriles with Aromatic Carboxylic Acids: Facile Access to Cyanomethyl Esters

•The first oxidative coupling of alkylnitriles with aromatic carboxylic acids.•A novel, straightforward, and green approach toward cyanomethyl ester synthesis.•A broad substrate scope with outstanding steric hindrance tolerance.•A novel application of iron catalysts.