N, O-Diacylhydroxylamines rearrange under basic conditions to afford 2, 3-disubstituted succinic acid derivatives. The rearrangement can be rationalized in terms of [3, 3]sigmatropic shifts of ester-amide dienolated N, O-diacylhydroxylamines.
N,O-
二乙酰羟胺在碱性条件下重排,生成 2,3-二取代
琥珀酸衍
生物。这种重排可以通过酯-酰胺二元醇化的 N,O-二酰
羟胺的[3,3]西格玛移位得到合理解释。