A 5-oxo-2-tetrahydrofuranyl derivative of an Evans auxiliary could be obtained through a previously unknown ‘rearrangement’ of the oxazolidinone moiety in an α-benzoxy-γ-aldehyde acyl oxazolidinone in 60-97% yields on treatment with a range of nucleophiles.
通过对δ-苯氧δ-醛酰基
噁唑烷酮中的
噁唑烷酮分子进行之前未知的 "重排",可以获得一种埃文斯助剂的 5-氧代-2-
四氢呋喃基衍
生物,在一系列亲核剂的作用下,产率为 60-97%。