Catalytic Enantioselective Epoxidation of Tertiary Allylic and Homoallylic Alcohols
摘要:
An efficient and versatile method for the enantioselective epoxidation of both tertiary allylic and homoallylic alcohols catalyzed 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 99%.
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DOI:
10.1021/ja401182a
被引量:
年份:
2013
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