C-O Ring Construction: (-)-Sclerophytin A (Morken), (+)-Dictyosphaeric Acid
(Taylor), Goniothalesdiol A (Xie/She), (-)-7-Deoxyloganin (Lupton), (-)-Apicularen A (Uenishi)L-783, 277 (Banwell) In the course of a synthesis of (-)-Sclerophytin A (3), James P. Morken of Boston College showed (J. Am.…