Photo-controlled Lewis Acidity: Chiral (ON)Ru-Salen Catalyzed Hetero Diels-Alder Reaction and Kinetic Resolution of Racemic Epoxides - Mihara, Jun; Hamada, Tetsuya; Takeda, Tsuyoshi; Irie, Ryo; Katsuki, Tsutomu (Synlett, 1999)