作者:E.J. Corey、Christopher J. Helal
DOI:10.1016/s0040-4039(00)73959-1
日期:1993.8
A new catalytic enantioselective synthesis of monosubstituted oxiranes has been developed from achiral trichloromethyl ketones by (a) enantioselective carbonyl reduction, (b) selective bis-dechlorination and (c) base-induced ring closure of the resulting chlorohydrins.