Visible-Light-Promoted Redox Neutral C–H Amidation of Heteroarenes with Hydroxylamine Derivatives
作者:Qixue Qin、Shouyun Yu
DOI:10.1021/ol501457s
日期:2014.7.3
redox neutral direct C–H amidation of heteroarenes has been achieved. Hydroxylamine derivatives, which are easily accessed, have been employed as tunable nitrogen sources. These reactions were enabled by a visible-light-promoted single-electron transfer pathway without a directing group. A variety of heteroarenes, such as indoles, pyrroles, and furans, could go through this amidation with high yields (up
在室温下实现了杂芳烃的氧化还原中性直接C–H酰胺化。容易获得的羟胺衍生物已被用作可调氮源。这些反应是通过可见光促进的单电子转移途径实现的,而没有指导基团。各种杂芳烃,例如吲哚,吡咯和呋喃,都可以高产率(高达98%)通过酰胺化反应。这些反应具有高度的区域选择性,所有产物均作为单一的区域异构体被分离出来。