The first asymmetric Favorskii rearrangement is described. Optically active α-alkyl amides of enantiomeric excess up to 94% were realized from aldehydes and optically active (−)-1-chloroalkyl p-tolyl sulfoxides via the Favorskii rearrangement of optically active α-chloro α-sulfonyl ketones.
描述了第一不对称的Favorskii重排。通过光学活性α-
氯代α-磺酰基
酮的Favorskii重排,由
醛类和光学活性(-)-1-
氯烷基
对甲苯基亚砜实现了对映体过量高达94%的光学活性α-烷基
酰胺。