Electrochemical Silylation of Electron‐Deficient Heterocycles Using N‐Hydroxyphthalimide as HAT Catalyst
作者:Cong Jiang、Yujie Liao、Heng Li、Sumin Zhang、Ping Liu、Peipei Sun
DOI:10.1002/adsc.202300112
日期:——
A practical electrochemical Minisci-type reaction for the synthesis of silylated heterocycles is described. Using N-hydroxyphthalimide (NHPI) as the hydrogen atom transfer (HAT) catalyst and trialkylsilanes as the silyl radical sources, a wide range of electron-deficient heterocycles in-cluding quinoline, quinoxaline, phthalazine, 3,6-dichloropyridazine, phenanthridine, 6-chloroimidazo[1,2-b]pyridazine
描述了用于合成甲硅烷基化杂环的实用电化学 Minisci 型反应。使用N-羟基邻苯二甲酰亚胺 (NHPI) 作为氢原子转移 (HAT) 催化剂和三烷基硅烷作为甲硅烷基自由基来源,广泛的缺电子杂环包括喹啉、喹喔啉、酞嗪、3,6-二氯哒嗪、菲啶、6 -chloroimidazo[1,2- b ]哒嗪和香豆素等很容易转化为相应的甲硅烷基化产物,收率为37-83%。