Diastereoselective Synthesis of Seven- and Eight-Membered Oxabicycles via Prins-Type Cyclization - Kang, Hyun Jung; Kim, Sang Hee; Pae, Ae Nim; Koh, Hun Yeong; Chang, Moon Ho; Choi, Kyung il; Han, So-Yeop; Cho, Yong Seo (Synlett, 2004)