Phase Transfer Catalysed Asymmetric Epoxidation of Chalcones Using Chiral Crown Ethers Derived from d-Glucose and d-Mannose - Bakó, Péter; Bakó, Tibor; Mészáros, Attila; Keglevich, György; Szöllősy, Áron; Bodor, Sándor; Makó, Attila; Tőke, László (Synlett, 2004)