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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis, photophysical, and electrochemical properties of Ruthenium(II) polypyridyl complexes containing open-chain crown ether
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Synthesis, photophysical, and electrochemical properties of Ruthenium(II) polypyridyl complexes containing open-chain crown ether

机译:含开链冠醚的钌(II)聚吡啶基配合物的合成,光物理和电化学性质

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摘要

Four polypyridyl bridging ligands BL1-4 containing open-chain crown ether, where BL1-3 formed by the condensation of 4,5-diazafluoren-9-oxime with diethylene glycol di-p-tosylate, triethylene glycol di-p-tosylate, and tetraethylene glycol di-p-tosylate, respectively. BL4 formed by the reaction of 4-(1,10-phenanthrolin-5-ylimino)methylphenol with triethylene glycol di-p-tosylate, have been synthesized. Reaction of Ru(bpy)(2)Cl-2 center dot 2H(2)O with BL, respectively, afforded four bimetallic complexes [(bpy)(2)RuBL1-4 Ru(bpy)(2)](4+) as [PF6](-) salts. Electrochemistry of these complexes is consistent with one Ru-II-based oxidation and several ligand-based reductions. These complexes show metal-to-ligand charge transfer absorption at 439-452 nm and emission at 570-597 nm.
机译:四个聚吡啶基桥接配体BL1-4,包含开链冠醚,其中BL1-3是由4,5-二氮杂芴-9-肟与二甘醇二对甲苯磺酸酯,三甘醇二对甲苯磺酸酯和四乙二醇二对甲苯磺酸酯。合成了通过4-(1,10-菲咯啉-5-ylimino)甲基苯酚与三甘醇二对甲苯磺酸酯反应形成的BL4。 Ru(bpy)(2)Cl-2中心点2H(2)O与BL的反应分别提供了四个双金属配合物[(bpy)(2)RuBL1-4 Ru(bpy)(2)](4+)作为[PF6](-)盐。这些配合物的电化学与一种基于Ru-II的氧化和多种基于配体的还原相一致。这些络合物在439-452 nm处显示出金属到配体的电荷转移吸收,并在570-597 nm处发射。

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