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首页> 外文期刊>Chemistry: A European journal >Electron-Donating Alkoxy-Group-Driven Synthesis of Heteroleptic Tris(phthalocyaninato) Lanthanide(m) Triple-Deckers with Symmetrical Molecular Structure
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Electron-Donating Alkoxy-Group-Driven Synthesis of Heteroleptic Tris(phthalocyaninato) Lanthanide(m) Triple-Deckers with Symmetrical Molecular Structure

机译：具有对称分子结构的多官能三（邻苯二甲腈基）镧系元素（m）三层电子给体的电子定性烷氧基驱动合成

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摘要

Reaction of heteroleptic bis(phthalocyaninato) lanthanide compounds [(Pc)M(Pc(OC_8H_(17))_8)][H_2Pc = unsubstituted phthalocyanine;H_2Pc(OC_8H_(17))_8=2,3,9,10,16,17,23,24-octakis(octyloxy)phthalocyanine] with monomeric complexes [(Pc)M(acac)](Hacac = acetylacetone),both of which generated in situ,led to the isolation of heteroleptic phthalocyaninato-[2,3,9,10,16,17,23,24-octakis(octyloxy)-phthalocyaninato] lanthainde(III) triple-decker complexes [(Pc)MjPc-(OC_8H_(17))_8)] (M = Gd-Lu) (1-8) as the sole product.Heterodinuclear ana-logues [(Pc)Lu{Pc(OC_8H_(17))_8}M(Pc)] (M = Gd-Yb) (9-15) were obtained in a similar manner from the reaction of [(Pc)M(Pc(OC_8H_(17))_8)] (M = Gd-Yb) and [(Pc)Lu(acac)].The molecular structures of the herterodinuclear compound [(Pc)Lu{Pc(OC_8H_(17))_8}Er(Pc)] (13) and its homodinuclear counterparts t(Pc)M{Pc(OC_8H_(17))_8)M(Pc)] (M = Er,Lu) (5,8) have been determined by X-ray diffraction analysis;these structures exhibit a symmetrical molecular structure with one inner planar Pc(OC_8H_(17))_8 ligand and two outer domed PC ligands.In addition to various spectroscopic analyses,the electrochemistry of these compounds has also been studied by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) methods,revealing the gradually enhanced pi-pi interactions among the phthalocyanine rings in the triple-deckers along with the lanthanide contraction.
机译：杂双（邻酞菁基）镧系元素化合物[[Pc）M（Pc（OC_8H_（17））_ 8）] [H_2Pc =未取代的酞菁; H_2Pc（OC_8H_（17））_ 8 = 2,3,9,10,16，具有单体配合物[（Pc）M（acac）]（Hacac =乙酰丙酮）的17,23,24-辛基（辛氧基）酞菁]均由原位生成，导致分离了杂配酞菁-[2,3， 9,10,16,17,23,24-辛基（辛氧基）-酞菁基] lanthainde（III）三层复合物[（Pc）MjPc-（OC_8H_（17））_ 8）]（M = Gd-Lu）（ 1-8）是唯一产物。异核类似物[（Pc）Lu {Pc（OC_8H_（17））_ 8} M（Pc）]（M = Gd-Yb）（9-15）是通过类似方法获得的[（Pc）M（Pc（OC_8H_（17））_ 8）]（M = Gd-Yb）和[（Pc）Lu（acac）]的反应方式。杂双核化合物[（Pc） Lu {Pc（OC_8H_（17））_ 8} Er（Pc）]（13）及其同核对应物t（Pc）M {Pc（OC_8H_（17））_ 8）M（Pc）]（M = Er，Lu） （5,8）通过X射线衍射分析确定;这些结构表现出对称的分子结构，一个内部平面Pc（OC_8H_（17））_ 8配体和两个外部半球形PC配体。除了各种光谱分析之外，还通过循环伏安法（CV）和微分脉冲伏安法（DPV）研究了这些化合物的电化学，揭示了随着镧系元素的收缩，三层酞菁环之间的pi-pi相互作用逐渐增强。

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