Reversible Halide-Modulated Nickel-Nickel Bond Cleavage: Metal-Metal Bonds as Design Elements for Molecular Devices
作者:Steven T. Chao、Nadia C. Lara、Sibo Lin、Michael W. Day、Theodor Agapie
DOI:10.1002/anie.201102797
日期:2011.8.8
tris(phosphinoaryl)benzene and stabilized by metal–arene interactions, chloride addition causes reversible NiNi bondcleavage that induces 180° rotation around an aryl–aryl bond (see scheme). A dinickel–chloride moiety was found to rotate around the bridging arene by a mechanisminvolving breaking and forming NiP bonds.
氯化二镍事件:在由三(膦基芳基)苯支撑并通过金属-芳烃相互作用稳定的双核镍(I)配合物中,氯化物添加导致可逆的 Ni Ni 键断裂,导致围绕芳基-芳基键旋转 180°(见方案)。发现二镍 - 氯化物部分通过涉及断裂和形成 Ni P 键的机制围绕桥接芳烃旋转。