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'Cut and Sew' Transformations via Transition-Metal-Catalyzed Carbon-Carbon Bond Activation

机译:通过过渡金属催化的碳 - 碳键活化“切割和缝制”转化

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The transition-metal-catalyzed "cut and sew" transformation has recently emerged as a useful strategy for preparing complex molecular structures. After oxidative addition of a transition metal into a carbon-carbon bond, the resulting two carbon termini can be both functionalized in one step via a following migratory insertion and reductive elimination with unsaturated units, such as alkenes, alkynes, allenes, CO, and polar multiple bonds. Three- or four-membered rings are often employed as reaction partners due to their high ring strains. The participation of nonstrained structures generally relies on cleavage of a polar carbon-CN bond or assistance of a directing group.
机译:最近出现了过渡金属催化的“切割和缝制”转化作为制备复杂分子结构的有用策略。 在将过渡金属加入碳 - 碳键后,所得到的两个碳末端可以通过以下迁移插入和用不饱和单位进行后续的迁移和还原消除,例如烯烃,炔烃,艾伦,CO和极性 多个债券。 由于其高环菌株,通常使用三个或四元环作为反应伴侣。 非定向结构的参与通常依赖于抗极性碳-CN键或指导组的援助。

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