Homoaldol and Aldol Reactions from Common Enolates and Oxiranes: Reaction of Reductively Generated Chromium Enolates through Cationic Rearrangement
作者:Makoto Hojo、Kyosuke Sakata、Xiamuxikamaer Maimaiti、Junya Ueno、Hisashi Nishikori、Akira Hosomi
DOI:10.1246/cl.2002.142
日期:2002.2
Enolates generated from α-bromo esters by the reduction with “Bu6CrLi3” react with oxiranes to afford γ-hydroxy esters and β-hydroxy esters, depending on the Lewis acid used as a promoter.
α-溴酯通过用“Bu6CrLi3”还原生成的烯醇化物与环氧乙烷反应生成 γ-羟基酯和 β-羟基酯,这取决于用作促进剂的路易斯酸。