Copper-catalyzed intramolecular dearomative aza-Wacker reaction of indole

Herein, we describe a copper-catalyzed intramolecular dearomative amination of indoles via a formal aza-Wacker reaction. This protocol provides an efficient method to access aza-polycyclic indoline molecules bearing exocyclic C 00000000 00000000 00000000 00000000 11111111 00000000 11111111 00000000 00000000 00000000 C bonds in moderate to excellent yields in the presence of molecular oxygen as an oxidant. It is worth noting that indolin-3-ones are achieved when employing C3-non-substituted indoles as substrates. A copper-catalyzed intramolecular dearomative amination of indoles via a formal aza-Wacker reaction is described, affording polycyclic indolines bearing exocyclic CC bonds in moderate to excellent yields with molecular oxygen as an oxidant.