Square‐Planar (Pentafluorophenyl)nickel(II) Complexes by Derivatization of a C–F Activation Product
作者:Thomas Schaub、Marc Backes、Udo Radius
DOI:10.1002/ejic.200800213
日期:2008.6
(pentafluorophenyl)nickel complexes [Ni(iPr2Im)2(X)(C6F5)] (X = Cl 2, I 3, CF3SO34, CN 5), [Ni(iPr2Im)2(R)(C6F5)] (R = Me 6, Ph 7, C2Ph 8, η1-Cp 9), [Ni(iPr2Im)2(SR)(C6F5)] (R = Ph 10, nPr 11), [Ni(iPr2Im)2(SeR)(C6F5)] (R = Ph 12, iPr 13), and [Ni(iPr2Im)2(H)(C6F5)] (14) were prepared. The complexes 4, 6. 9, 11, 13 and 14 were structurally characterized.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany,
NHC 稳定的 C-F 活化产物 [Ni(iPr2Im)2(F)(C6F5)] (1) 从 [Ni(cod)2] 与 1,3-二异丙基咪唑-2-亚基 (iPr2Im) 的反应中分离出来) 和六氟苯。[Ni(iPr2Im)2(X)(C6F5)] 型方形平面(五氟苯基)镍配合物是通过系统衍生化 1 获得的。 1 与甲硅烷基化合物和有机锂化合物的反应顺利地取代了氟1 中的配体由卤代、三氟甲磺酸根、氰基、有机基、硒代、硫代和氢化配体组成。根据这些程序,NHC 稳定的(五氟苯基)镍配合物 [Ni(iPr2Im)2(X)(C6F5)] (X = Cl 2, I 3, CF3SO34, CN 5), [Ni(iPr2Im)2(R )(C6F5)] (R = Me 6, Ph 7, C2Ph 8, η1-Cp 9), [Ni(iPr2Im)2(SR)(C6F5)] (R = Ph 10, nPr 11),