Palladium-Catalyzed Selective Carbonylation of Vinyl Triflates in the Presence of 2-Iodophenols: A New Route to 3-Spiro-Fused Benzofuran-2(3H)-ones - Anacardio, Roberto; Arcadi, Antonio; DAnniballe, Gaetano; Marinelli, Fabio (Synthesis, 1995)