Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments
Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments
复制标题
结合二价镱和二甲基镍片段的反应性异双金属络合物
作者：
Ding Wang;Jules Moutet;M. Tricoire;Marie Cordier;G. Nocton
本文介绍了由二价镧系元素片段和二价镍中心通过氧化还原活性配体二嘧啶配体桥连而成的原始杂环物种的合成和表征。获得了Ni单体（bipym）NiMe 2，1以及杂环二聚体化合物Cp*2Yb（bipym）NiMe 2，2，沿着1H溶液NMR、固态磁性数据和仅1的DFT计算的X射线晶体结构。研究了这两种化合物与CO的反应性，并基于动力学和机理研究讨论了化学计量丙酮的形成。镧系元素片段的关键作用由相对缓慢的CO迁移插入步骤证明，这表明中间体的稳定性。
This article presented the synthesis and characterization of original heterobimetallic species combining a divalent lanthanide fragment and a divalent nickel center bridged by the bipyrimidine ligand, a redox-active ligand. X-ray crystal structures were obtained for the Ni monomer (bipym)NiMe2, 1, as well as the heterobimetallic dimer compounds, Cp*2Yb(bipym)NiMe2, 2, along with 1H solution NMR, solid-state magnetic data, and DFT calculations only for 1. The reactivity with CO was investigated on both compounds and the stoichiometric acetone formation is discussed based on kinetic and mechanistic studies. The key role of the lanthanide fragment was demonstrated by the relatively slow CO migratory insertion step, which indicated the stability of the intermediate.
影响因子：
15
作者：
Shabashov D;Daugulis O
通讯作者：
Daugulis O
影响因子：
62.1
作者：
Schilter, David;Camara, James M.;Huynh, Mioy T.;Hammes-Schiffer, Sharon;Rauchfuss, Thomas B.
通讯作者：
Rauchfuss, Thomas B.