Efficient Asymmetric Syntheses of β-Lactams Bearing a Cyclopropane or an Epoxide Moiety and Their Application to the Syntheses of Novel Isoserines and Taxoids

Efficient Asymmetric Syntheses of β-Lactams Bearing a Cyclopropane or an Epoxide Moiety and Their Application to the Syntheses of Novel Isoserines and Taxoids