Visible‐Light Induced C(sp
<sup>2</sup>
)−H Amidation with an Aryl–Alkyl σ‐Bond Relocation via Redox‐Neutral Radical–Polar Crossover
作者:Hyeyun Keum、Hoimin Jung、Jiwoo Jeong、Dongwook Kim、Sukbok Chang
DOI:10.1002/anie.202108775
日期:2021.11.22
Herein, a photocatalyzed, intramolecular C(sp2)−H amidation of N-benzoyloxyamides has been developed to afford δ-benzolactams with an aryl-alkyl σ-bond relocation. Upon the formation of amidyl radical via reductive N−O bond cleavage, selective radical ipso-addition followed by a redox-neutral radical–polar crossover was suggested to be responsible for the preferential C−C bond migration.
在此,已开发出N-苯甲酰氧基酰胺的光催化分子内 C(sp 2 )-H 酰胺化,以提供具有芳基-烷基σ -键重定位的δ -苯内酰胺。一旦经由还原N-O键断裂形成酰胺基的基团,选择性自由基本位-addition接着是氧化还原中性基极交叉建议负责优先C-C键的迁移。