In Situ Ring‐Closing Strategy for Direct Synthesis of N‐Heterocyclic Carbene Nickel Complexes and Their Application in Coupling of Allylic Alcohols with Aryl Boronic Acids,Advanced Synthesis & Catalysis

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In Situ Ring‐Closing Strategy for Direct Synthesis of N‐Heterocyclic Carbene Nickel Complexes and Their Application in Coupling of Allylic Alcohols with Aryl Boronic Acids
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2020-05-26 , DOI: 10.1002/adsc.202000186
Yu‐Bin Wang ₁ , Bin‐Yuan Liu ₂ , Qingqing Bu ₁ , Bin Dai ₁ , Ning Liu ₁

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A in situ ring‐closing strategy was developed for the synthesis of N‐heterocyclic carbene nickel complexes. The process was carried out in air, and did not require solvent purification. The resulting nickel complexes were investigated as catalysts for the coupling of allylic alcohols with aryl boronic acids. A wide range of allylic substrates and aryl acids proved to be applicable to this catalytic system. Control experiments suggest that the Ni(0) may be the true active species in the coupling reactions.

中文翻译：

N-杂环碳镍配合物直接合成的原位环闭合策略及其在芳醇与芳基硼酸偶联中的应用

为合成N杂环卡宾镍络合物开发了一种原位闭环策略。该过程在空气中进行，不需要溶剂纯化。研究了所得的镍络合物作为烯丙基醇与芳基硼酸偶联的催化剂。广泛的烯丙基底物和芳基酸被证明可用于该催化体系。对照实验表明，Ni（0）可能是偶联反应中真正的活性物质。

更新日期：2020-07-29

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