Iron(III)-Catalyzed C-H Functionalization:<i>ortho</i>-Benzoyloxylation of<i>N</i>,<i>N</i>-Dialkylanilines and Its Application to 1,4-Benzoxazepines
作者:Barreddi Chiranjeevi、Botla Vinayak、Thupakula Parsharamulu、Vemulapalli S. PhaniBabu、Bharatam Jagadeesh、Balasubramanian Sridhar、Malapaka Chandrasekharam
DOI:10.1002/ejoc.201402751
日期:2014.12
A C–O bond-formation reaction that proceeds through C–H functionalization of N,N-dialkylanilines at the ortho-position is presented. The iron-catalyzed selective ortho-benzoyloxylation follows a polar Friedel–Crafts-like mechanism and is sensitive to the nucleophilicity of the anilines. The benzoyloxylation of a variety of N,N-disubstituted anilines and N-phenyl heterocycles is carried out under extremely
介绍了通过邻位 N,N-二烷基苯胺的 C-H 官能化进行的 AC-O 键形成反应。铁催化的选择性邻苯甲酰氧基化遵循极性 Friedel-Crafts 机制,对苯胺的亲核性敏感。各种 N,N-二取代苯胺和 N-苯基杂环的苯甲酰氧基化是在极其温和的条件下进行的。此外,该方法已成功用于生成 1,4-苯并氧氮杂和 o-氨基苯酚。