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Iron-Catalyzed Hydroboration: Unlocking Reactivity through Ligand Modulation

机译:铁催化的硼氢化反应:通过配体调节释放反应性

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摘要

Iron-catalyzed hydroboration (HB) of alkenes and alkynes is reported. A simple change in ligand structure leads to an extensive change in catalyst activity. Reactions proceed efficiently over a wide range of challenging substrates including activated, unactivated and sterically encumbered motifs. Conditions are mild and do not require the use of reducing agents or other additives. Large excesses of borating reagent are not required, allowing control of chemo-and regioselectivity in the presence of multiple double bonds. Mechanistic insight reveals that the reaction is likely to proceed via a highly reactive iron hydride intermediate.
机译:据报道,烯烃和炔烃的铁催化的硼氢化(HB)。配体结构的简单变化导致催化剂活性的广泛变化。反应可在多种挑战性底物上有效进行,包括激活,未激活和空间受限的基序。条件温和,不需要使用还原剂或其他添加剂。不需要大量过量的硼酸化试剂,从而可以在存在多个双键的情况下控制化学和区域选择性。机械学的见解表明,该反应可能通过高反应性的氢化铁中间体进行。

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