Regio- and diastereoselectivity of enol ether formation by 1,4-sigmatropic shifts of hydrogen in carbonyl ylides
作者:Andrew C. Lottes、John A. Landgrebe、Kristin Larsen
DOI:10.1016/s0040-4039(00)99329-8
日期:1989.1
Treatment of aliphatic ketones with ethyl diazoacetate in the presence of a catalyst results in the regio- and (where appropriate) diastereoselective formation of enolethers which arise by an intramolecular 1,4-hydrogen shift from an intermediate carbonyl ylide.