The Influence of a β-Electron Withdrawing Substituent in Aldol Reactions of Methylketone Boron Enolates
作者:Luiz C. Dias、Anderson A. de Marchi、Marco. A. B. Ferreira、Andrea M. Aguilar
DOI:10.1021/ol702204h
日期:2007.11.1
We wish to describe here that good levels of substrate-based, 1,5-syn-stereocontrol could be achieved in the boron-mediated aldol reactions of beta-trichloromethyl methylketones with achiral aldehydes, independent of the nature of the beta-alkoxy protecting group.