钯催化下对烯烃进行烯基或芳基化的反应。另外不含β氢的卤代烃(主要是卤化苄)也可发生Heck反应,进行烷基化。
反应机理
首先卤代物进行氧化加成,然后对底物进行配位迁移,碳碳键旋转,二价钯和β氢进行顺位消除,还原消除催化剂循环。
反应实例
不对称分子间Heck反应。
还原Heck反应
参考文献
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