Stereoconvergent Transformation of 1,2a-Disubstituted Benzo[b]cyclobuta[d]pyrans to 1,3-Disubstituted Tetrahydrodibenzofuran-4-ols and its Application to the Second-Generation Synthesis of (±)-Linderol A - Yamashita, Masayuki; Inaba, Tomoki; Shimizu, Takashi; Kawasaki, Ikuo; Ohta, Shunsaku (Synlett, 2004)