Stereoselective Synthesis of Ethyl (<i>Z</i>)-3-Aryl-2-ethoxyacrylates: Wittig Reaction of Diethyl Oxalate
作者:R. Alan Aitken、Gail L. Thom
DOI:10.1055/s-1989-27446
日期:——
The Wittig olefination of diethyl oxalate with a variety of arylmethylenetriphenylphosphoranes 1 proceeds readily in tetrahydrofuran at room temperature to give ethyl 3-aryl-2-ethoxyacrylates 2 with a Z/E selectivity of ≥10:1.