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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Effect of Second-Sphere Coordination 9. Partial Inclusion of Pentaammineruthenium(II) and Pentacyanoferrate(II) Complexes with Nitrogen Heterocycles into a Cyclodextrin Cavity
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Effect of Second-Sphere Coordination 9. Partial Inclusion of Pentaammineruthenium(II) and Pentacyanoferrate(II) Complexes with Nitrogen Heterocycles into a Cyclodextrin Cavity

机译:第二球配位的作用9.将五氨合钌(II)和五氰基铁酸盐(II)与氮杂环的配合物部分包入环糊精腔中

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摘要

The inclusion of pentaammineruthenium(II) and pentacyanoferrate(II) complexes with nitrogen heterocycles into cyclodextrins was investigated by UV-visible spectrophotometry, ~1H-NMR spectroscopy, and cyclic voltammetry. The stability constants of the inclusion adducts of the metal complexes into cyclodextrins were determined by capillary electrophoresis. The complexes form adducts with cyclodextrins by the inclusion of an aromatic ligand moiety of the complex into the cavity of cyclodextrins. The adduct formation caused a modification of the redox behavior of the complex. The stability of the cyclodextrin adduct was influenced by the included aromatic ligand of the complex and the cavity size of cyclodextrin, especially the positive charge on the aromatic ligand.
机译:通过紫外可见分光光度法,〜1H-NMR光谱法和循环伏安法研究了将五氨合钌(II)和五氰基高铁酸盐(II)与氮杂环的络合物包含在环糊精中。通过毛细管电泳测定金属配合物在环糊精中的包合物的稳定性常数。通过将复合物的芳族配体部分包含到环糊精的空腔中,该复合物与环糊精形成加合物。加合物的形成引起复合物氧化还原行为的改变。环糊精加合物的稳定性受配合物所包含的芳族配体和环糊精的空腔尺寸,特别是芳族配体上的正电荷的影响。

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