6-Aryl-11H-indolo[3,2-c]quinolines through the Palladium-Catalyzed Carbonylative Cyclization of o-(o-Aminophenyl)trifluoroacetanilide with Aryl Iodides - Cacchi, Sandro; Fabrizi, Giancarlo; Pace, Paola; Marinelli, Fabio (Synlett, 1999)