Copper-Catalyzed Site-Selective Intramolecular Amidation of Unactivated C(sp<sup>3</sup>)H Bonds
作者:Xuesong Wu、Yan Zhao、Guangwu Zhang、Haibo Ge
DOI:10.1002/anie.201311263
日期:2014.4.1
of aliphatic amides, directed by a bidentate ligand, was developed using a copper‐catalyzed sp3 CH bond functionalization process. The reaction favors predominantly the CH bonds of β‐methyl groups over the unactivated methylene CH bonds. Moreover, a preference for activating sp3 CH bonds of β‐methyl groups, via a five‐membered ring intermediate, over the aromatic sp2 CH bonds was also observed in
脂肪族酰胺的分子内酰胺化脱氢,由双齿配体定向,使用铜-催化的SP被开发3 Ç H键官能化方法。该反应有利于主要的C β甲基团与未活化的亚甲基] C H键 H键。此外,用于激活SP的偏好3 Ç β甲基基团的H键,经由五元环中间,在所述芳族SP 2个ç H键在环金属化步骤中也观察到。此外,SP 3个Ç 未活化二次属的H键3 Ç 通过使环碳原子优先于线性碳原子,可以使H键官能化。