SEARCH Articles Figures Tables Asymmetric epoxidation catalyzed by novel azacrown ether-type chiral quaternary ammonium salts under phase-transfer catalytic conditions Asymmetric epoxidation conditions Epoxidation biphasic conditions Epoxidation solvent-free condition Epoxide opening, Birch conditions, radical Epoxide opening, Birch conditions, radical anions Epoxides conditions Epoxides conditions Epoxides reaction conditions Epoxides under acidic conditions Kinetic resolution under Sharpless epoxidation conditions Oxidation, basic conditions epoxide formation