丙二烯基烯炔在氢自由基供体(如 1,4-环己二烯)存在下在加热或光照条件下构建取代芳环的反应。反应机理同Bergman环化和Schmittel环化类似。
反应机理
底物首先可逆自由基重排生成双自由基中间体,夺取氢自由基供体的氢自由基得到产物。
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, MyersSaito cyclization,page 423.