The Pummerer reaction of imidosulfoxides containing tethered π-bonds results in the formation of isomünchnone dipoles which readily undergo intramolecular dipolar cycloaddition to furnish 5-substituted α-pyridones. An application of the method to (±)-pumiliotoxin C was carried out.
含有束缚的π键的亚
氨基亚砜的Pummerer反应导致异麦香酮偶极的形成,该分子容易经历分子内偶极环加成反应而提供5位取代的α-
吡啶酮。将该方法应用于(±)-铝毒素C。