Isolation of Intermediary anti-Aldol Adducts of the Horner-Wadsworth-Emmons Reaction Utilizing Direct Titanium-Aldol Addition and Successive Brønsted Acid Promoted Stereoselective Elimination Leading to (Z)-α,β-Unsaturated Esters - Katayama, Mayumi; Nagase, Ryohei; Mitarai, Kumi; Misaki, Tomonori; Tanabe, Yoo (Synlett, 2006)