N-Phenyl-O-acylhydroxylamines rearrange under basic conditions to afford o-aminophenylacetic acids. The rearrangement can be rationalized in terms of [3,3]-sigmatropic shifts of an enolized N-phenyl-O-acylhydroxyl-amine.
N-
苯基-O-酰基
羟胺在碱性条件下重排,得到邻
氨基
苯乙酸。可以根据
烯醇化的N-
苯基-O-酰基羟基胺的[3,3]-σ位移合理化重排。