Synthesis, characterization, and properties of binuclear ruthenium complexes with dendritic side chains on their bridges

Synthesis, characterization, and properties of binuclear ruthenium complexes with dendritic side chains on their bridges
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桥上具有树枝状侧链的双核钌配合物的合成、表征和性能

DOI:
10.1016/j.ica.2011.01.075
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发表时间:
2011-05
影响因子:
2.8
通讯作者:
Liu, Sheng Hua
Liu, Sheng Hua
中科院分区:
化学3区
文献类型:
--
作者:
Wua, Xiang Hua;Liang, Jin Hua;Xia, Jiang Long;Yin, Jun;Jin, Shan;Yu, Guang-ao;Liu, Sheng Hua

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通过二乙炔基芳基与钌氢化物[RuHCl(CO)(PPh 3)3]反应,再与PMe 3进行配体交换,合成了三个具有树枝状侧链的双核钌配合物1,4-[RuCl(CO)(PMe 3)3CHCH] 2C 6 H2 - 2,5-(Gn)2,其中Gn= G 0(1),G1(2),G2(3).通过元素分析、核磁共振、紫外-可见分光光度法对配合物进行了表征。配合物1的晶体结构经X-射线衍射测定。研究了它们的电化学性能。溶液中的电化学研究可能意味着配合物1-3中的两个金属中心彼此之间具有良好的电子通信。然而,电子通讯并没有有效地增强与增加代的树枝化在溶液中。
Three binuclear ruthenium complexes with dendritic side chains, 1,4-[RuCl(CO)(PMe3)3CHCH]2C6H2-2,5-(Gn)2with Gn=G0(1), G1(2), and G2(3), have been synthesized by the reactions of the corresponding diethynylaryls with the ruthenium hydride complex [RuHCl(CO)(PPh3)3] and subsequent ligand exchange with PMe3. The complexes have been characterized by elemental analysis, NMR, and UV–Vis spectrophotometry. The structure of complex 1 has been determined by X-ray crystallography. Their electrochemical properties have been investigated. Electrochemical studies in solution may imply that the two metal centers in complexes 1–3 have good electronic communications between each other. However, the electron communication is not effectively enhanced with increasing generation of the dendrons in solution.
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