可以烯醇化的α-卤代酮在烷氧基，羟基或胺催化下重排分别生成酯，羧酸或酰胺的反应。

环状底物的Favorskii重排

反应机理

烯醇化的α-卤代酮进行分子内的SN2反应得到环丙酮中间体，亲核试剂进攻环丙酮的羰基进行重排生成产物。

反应实例

参考文献

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(1860-1945), born in Selo Pavlova, Russia, studied at St. Petersburg State University, where he became a professor since 1900. (b) Favorskii, A. E. J. Prakt. Chem. 1913,88, 658.

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编译自：J.J. Li, Name Reactions: A Collection of Detailed Mechanisms and Synthetic Applications, Favorskii rearrangement7，page 239-241.