Mild Zinc-Promoted Horner-Wadsworth-Emmons Reactions of Diprotic Phosphonate Reagents
作者:Paul Helquist、Douglas Schauer
DOI:10.1055/s-2006-950292
日期:2006.11
We report the development of a mild protocol for the Horner-Wadsworth-Emmons reaction of diprotic phosphonates that makes use of a zinc triflate promoter in the presence of mild tertiary amine bases to produce α,β-unsaturated carboxylic acids and amides.