Catalytic Enantioselective Epoxidation of Tertiary Allylic and Homoallylic Alcohols
作者:José Luis Olivares-Romero、Zhi Li、Hisashi Yamamoto
DOI:10.1021/ja401182a
日期:2013.3.6
for the enantioselective epoxidation of both tertiary allylic and homoallylicalcoholscatalyzed by Hf(IV)-bishydroxamic acid (BHA) complexes is described. Asymmetric epoxidation, kinetic resolution, and desymmetrization have been developed, demonstrating the flexible nature of the Hf(IV)-BHA system. This is the first report in which these substrates were obtained with enantioselectivities of up to