A base‐promoted oxidative dearomatization of substituted pyrroles for the synthesis of 3,3‐disubstituted 4‐pyrrolin‐2‐ones under mild reaction conditions is described. A cascade aerobic oxidation/semipinacol rearrangement reaction was involved, and the desired products bearing a quaternary carbon center were efficiently prepared using molecular oxygen (O₂) as an ideal oxidant.

中文翻译：

---

碱促进吡咯的氧化脱芳香化反应成4-吡咯啉-2-酮

描述了在温和的反应条件下，碱促进的吡咯的氧化脱芳香化反应，用于合成3,3-二取代的4-吡咯啉-2-酮。涉及级联的好氧氧化/西美萘那醇重排反应，并且使用分子氧（O ₂）作为理想氧化剂有效地制备了具有季碳中心的所需产物。