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首页> 外文期刊>Organometallics >Synthesis and Characterization of Heteroleptic Ni(II) Bipyridine Complexes Bearing Bis(N-heterocyclic carbene) Ligands
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Synthesis and Characterization of Heteroleptic Ni(II) Bipyridine Complexes Bearing Bis(N-heterocyclic carbene) Ligands

机译:轴承双(正杂环碳甲酯)配体的异烯烃络合物的合成与表征

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摘要

The synthesis and characterization of four new Ni(II) bis(NHC) bipy complexes (bipy = 4, 4′-bipyridine, NHC = N-heterocyclic carbene) are reported. These represent the first examples of the Ni~(II)(NHC_(2)) L_(2) class of compounds, where L is a two-electron-donor ligand. The introduction of a double propyl bridged bis-NHC ligand (C~(Prop2)C) imparts reversibility to the electrochemistry of these complexes. The electrochemical response includes two reductions, the first believed to be bipy ligand based, bipy~(0/–), and the second metal based. The unusual ligand arrangements in these complexes result in electronic structures in which both the HOMOs and LUMOs are ligand-based, as determined by DFT analysis of all four compounds.
机译:据报道了四种新的Ni(II)双(NHC)双(NHC)BI海(NHC)BIPY络合物(BiPY = 4,4'-硼吡啶,NHC =正杂环碳切菜)的合成和表征。 这些代表了Ni〜(II)(NHC_(2))L_(2)类化合物的第一个实例,其中L是双电子给体配体。 引入双丙基桥包装BIS-NHC配体(C〜(PROP2)C)赋予这些配合物的电化学的可逆性。 电化学响应包括两次减少,第一被认为是基于Bipy配体的Bipy〜(0 / - )和基于第二金属的。 这些配合物中的不寻常的配体布置导致电子结构,其中HOMOS和LUMOS都是基于配体的,如通过所有四种化合物的DFT分析所确定的。

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  • 来源
    《Organometallics》 |2018年第3期|共6页
  • 作者单位

    Department of Chemistry and Biochemistry University of California San Diego 9500 Gilman Drive Mail Code 0358 La Jolla California 92093-0358 United States;

    Department of Chemistry and Biochemistry University of California San Diego 9500 Gilman Drive Mail Code 0358 La Jolla California 92093-0358 United States;

    Department of Chemistry and Biochemistry University of California San Diego 9500 Gilman Drive Mail Code 0358 La Jolla California 92093-0358 United States;

    Department of Chemistry and Biochemistry University of California San Diego 9500 Gilman Drive Mail Code 0358 La Jolla California 92093-0358 United States;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 元素有机化合物;
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