Facile β‐Alkoxycarbonylation and β‐Acylation of α,β‐Unsaturated Lactones and Esters via the Phosphoniosilylation Process.

Abstract

Department of Chemistry, Sungshin Women's University, Seoul 136-742, KoreaReceived May 18, 2004Key Words : Phosphoniosilylation, β-Alkoxycarbonylation, β-Acylation, α,β-Unsaturated lactones and estersβ-Functionalization of α,β-unsaturated carbonyl compoundscan be effected by a variety of methods, which generallyinvolve either by the organometallic conjugate additionprocedures followed by enolate trapping and subsequentoxidation