作者:Shou-Kun Zhang、Antonio Del Vecchio、Rositha Kuniyil、Antonis M. Messinis、Zhipeng Lin、Lutz Ackermann
DOI:10.1016/j.chempr.2021.04.009
日期:2021.5
relevant nickel(II) and nickel(III) intermediates were isolated and fully characterized by X-ray diffraction analysis. Catalytically relevant nickel complexes were observed by in operando high-resolution electrospray ionization mass spectrometry (HR-ESI-MS) monitoring. Cyclic voltammetry analysis and density functional theory (DFT) calculations provided strong evidence for a nickel(III/IV/II) manifold.
CH-H磷酸化是通过使用无废电作为氧化还原替代物的富含地球的镍催化剂实现的。芳烃,杂芳烃和烯烃与各种膦酸酯化试剂的强健的镍氢电氧化CH活化作用,成功递送了与生物活性化合物和材料相关的芳基膦酸酯,苯基膦氧化物和二氮杂磷腈氧化物。胍辅助电氧化C-P的形成避免了以分子氢为唯一副产物的化学氧化剂。分离了具有催化作用的镍(II)和镍(III)中间体,并通过X射线衍射分析对其进行了全面表征。在操作中观察到了催化相关的镍配合物高分辨率电喷雾电离质谱(HR-ESI-MS)监控。循环伏安分析和密度泛函理论(DFT)计算为镍(III / IV / II)歧管提供了有力的证据。