3-Aryl-2-Unsubstituted Indoles through the Palladium-Catalysed Reaction of o-Ethynyltrifluoroacetanilide with Aryl Iodides - Cacchi, Sandro; Fabrizi, Giancarlo; Marinelli, Fabio; Moro, Leonardo; Pace, Paola (Synlett, 1997)