A very simple method for obtaining α-arylated N-protected 2-piperidinones in high yields is described. The use of ZnCl2, LiHMDS or s-BuLi as the base and Pd(dba)2 as the catalyst are the key factors.
本文介绍了一种以高产率获得δ-芳基化 N-保护的 2-
哌啶酮的非常简单的方法。使用 ZnCl2、Li
HMDS 或 s-BuLi 作为碱和 Pd(dba)2 作为催化剂是关键因素。