Synthetic and Structural Characterization of Linear and Macrocyclic Ni/Fe/E (E = S, Se) Cluster Complexes
作者:Ling Li、Li-Cheng Song、Miao-Miao Wang、Qian-Li Li、Hai-Bin Song
DOI:10.1021/om2004767
日期:2011.9.26
[(μ-RSe)(μ-S═CS)Fe2(CO)6]− with (diphosphine)NiCl2. The second and third series include the macrocyclic type of (diphosphine)Ni-bridged quadruple- and double-butterfly Fe/E complexes [μ-Se(CH2)3Se-μ}(μ-S═CS)Fe2(CO)6}2]2[Ni(diphosphine)]2 (9a–11a, diphosphine = dppe, dppv, dppb) and [μ-Se(CH2)3Se(CH2)3Se-μ][(μ-S═CS)Fe2(CO)6]2[Ni(diphosphine)] (9b–11b, diphosphine = dppe, dppv, dppb), respectively. While macrocycles
制备了三个新的(二膦基)Ni-桥连的蝶形Fe / E(E = S,Se)簇簇配合物,并对其结构进行了表征。这样的一系列配合物包括线性类型的(二膦)Ni-桥连双蝶形Fe / E配合物[(μ-RSe)(μ-S═CS)Fe 2(CO)6 ] 2 [Ni(二膦)] (1 – 8,R = n -Bu,Ph;二膦= dppe,dppv,dppb,dppp,dppf)。这些配合物是通过单阴离子[(μ-RSe)(μ-CO)Fe 2(CO)6 ] -(由Fe 3(CO)12,RSeH和Et 3 N原位生成)的一锅反应制备的。CS 2过多然后用(二膦)NiCl 2处理所得的单阴离子[(μ-RSe)(μ-S═CS)Fe 2(CO)6 ] -。所述第二和第三系列包括大环型的(二膦)镍桥接quadruple-和双蝴蝶的Fe / E复合物[μ-SE(CH 2)3硒μ} (μ-S═CS)的Fe 2(CO)6 } 2