First Enantiospecific Synthesis of Antileishmanial 12-Deoxyroyleanone from Abietic Acid - Alvarez-Manzaneda Roldán, E J; Chahboun, R; Bentaleb, F; Cabrera Torres, E; Alvarez, E; Haidour, A; Ramos López, J M; Alvarez-Manzaneda Roldán, R; El Houssame, S (Synlett, 2004)