A highly efficient and selective Ru-catalyzed direct C2-olefination of indoles, pyrroles, and carbazoles assisted by a removable N-dimethylcarbamoyl group has been developed by using O2 as the terminal oxidant. Both electron-deficient and unactivated alkenes are applicable to the protocol.
一种高效且具有选择性的Ru催化直接C2氧化偶联
吲哚、
吡咯和
咔唑的方法已成功开发,该方法利用O2作为终端氧化剂,并在可移除的N-二甲基
氨基甲酰基团辅助下进行。此工艺不仅适用于电子贫乏的烯烃,也适用于未经活化的烯烃。