Total Synthesis and Stereochemical Confirmation of 2,5-Diaryl-3,4-dimethyltetrahydrofuran Lignans: (+)-Fragransin A2, (+)-Galbelgin, (+)-Talaumidin, (-)-Saucernetin and (-)-Verrucosin - Hanessian, Stephen; Reddy, Gone Jayapal (Synlett, 2007)