摘要
Asymmetric epoxidation of N-enoylsultams （1, 3-15） incorporating a variety of chiral sultams as the chiral induction elements with UHP/TFAA has been studied. Both diastereomeric isomers of epoxides （2, 16-28） were obtained in high yield and moderate to high optical purity.
Asymmetric epoxidation of N-enoylsultams （1, 3-15） incorporating a variety of chiral sultams as the chiral induction elements with UHP/TFAA has been studied. Both diastereomeric isomers of epoxides （2, 16-28） were obtained in high yield and moderate to high optical purity.
