highly substituted pyrrolin-4-ones is developed via the PIFA-mediated cyclization reactions of readily available enaminones, and a mechanism involving sequential cleavage of N-C bond, formation of new N-C bond, intramolecular addition reaction, and benzilic acid type rearrangement is proposed.
通过
PIFA介导的易获得的烯胺酮的环化反应,开发了一种便捷有效的合成高取代的
吡咯啉-4-酮的方法,该机理涉及顺序裂解NC键,形成新的NC键,分子内加成反应和
苯甲酸。建议进行类型重排。