Titanium-Catalyzed Asymmetric Epoxidation of Olefins with Aqueous Hydrogen Peroxide: Remarkable Effect of Phosphate Buffer on Epoxide Yield - Shimada, Yuya; Kondo, Shoichi; Ohara, Yoshio; Matsumoto, Kazuhiro; Katsuki, Tsutomu (Synlett, 2007)