Intramolecular Dehydro Diels-Alder Reactions of Diarylacetylenes: Synthesis of 5H-Benzo[j]phenanthridine and 6H-Naphtho[2,3-c]chromene Skeletons - Rodríguez, David; Martínez-Esperón, M Fernanda; Castedo, Luis; Domínguez, Domingo; Saá, Carlos (Synlett, 2003)