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The assembly of oligonuclear nickel(II0 complexes from asymmetric compartmental ligands in the presence of alkali metal salts

机译:在碱金属盐存在下由不对称区室配体组装寡核镍(II0配合物)

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摘要

on reaction with Ni(OAc)_2 and NaX the asymmetric compartmental ligand HL~2 forms a heteropentanuclear nickel(II0-sodium(I) complex in which the core is assembled from two dinuclear [Ni_2L~2] units which are each linked to a Na atom by bridging mu_3-acetato-groups.If KX or NH_4X is used then a homotrinuclar nickel(II) complex is isolated.The crystal structures of [NaNi_4(L~2)_2(OAc)_6(MeOH)_2][ClO_4],1,and [Ni_3(L~2)_2(OAc)_2(MeOH)(H_2O)][BF_4]]_2,3,are reported [HL~2 is the proligand 2-propyliminomethyl-4-methyl-6-{[methyl-bis(2-pyridin-2-yl-ethyl)-amino]-methyl}-phenol].
机译:与Ni(OAc)_2和NaX反应后,不对称的区室配体HL〜2形成杂五核镍(II0-钠(I)络合物,其中核心由两个双核[Ni_2L〜2]单元组装而成,每个单元均连接至通过桥接mu_3-acetato-groups的Na原子。如果使用KX或NH_4X,则分离出均三核镍(II)络合物。[NaNi_4(L〜2)_2(OAc)_6(MeOH)_2] [ClO_4]的晶体结构],1和[Ni_3(L〜2)_2(OAc)_2(MeOH)(H_2O)] [BF_4]] _ 2,3,据报道[HL〜2是配体2-丙基亚氨基甲基-4-甲基-6 -{[甲基-双(2-吡啶-2-基-乙基)-氨基]-甲基}-苯酚]。

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