Pyridones are embedded as common structural units of many natural products and biologically active compounds.(1) As a result, the development of efficient synthetic methods for this class of heterocyclic compounds has become a long-standing subject in synthetic and medicinal chemistry.(2) The most commonly employed method is Michael addition of acetonitrile derivatives such as cyanoacetate ester, cyanoacetamide, or malonitrile to an appropriate α,β- ...