VO(acac)2/TBHP Catalyzed Epoxidation of 2-(2-Alkenyl)phenols. Highly Regio- and Diastereoselective Oxidative Cyclization to 2,3-Dihydro-benzofuranols and 3-Chromanols - Lattanzi, Alessandra; Scettri, Arrigo (Synlett, 2002)