1,4-二烯类化合物在光照条件下转化为烯基环丙烷的反应。也被称为双-π-甲烷重排（ Di-π-methane rearrangement）。

反应机理

在光照下，碳碳双键发生π-π跃迁生成双自由基中间态，然后重排生成光化学重排产物。

反应实例

参考文献

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编译自：Name Reactions （A Collection of Detailed Reaction Mechanisms）, Jie Jack Li, Zimmerman rearrangement，page 654-655.