10mol%CuIcombinedwiththeDMEDAligandcanefficientlycatalyzetheN-arylationof2-arylindoleswitharyliodidesandarylbromidesingoodtoexcellentyields.Thearylhalidesbearingelectron-richorelectron-deficientfunctionalgroupscanbewelltoleratedunderthismildreactionconditions.