An efficient synthesis of β-ketophosphonates from t-butyl thioesters using the lithium anion of either methane- or ethanephosphonate is described. The elaboration of a range of substrates to intermediates in natural product syntheses via the Horner Wadsworth Emmons reaction is then discussed.
中文翻译:描述了利用甲基或
乙基膦酸
锂阴离子从叔丁
硫酯高效合成β-酮
膦酸酯的方法。随后,讨论了通过Horner Wadsworth Emmons反应将一系列底物精细化合成为
天然产物合成中关键中间体的过程。