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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis of mononuclear and dinuclear ruthenium(II)tris(heteroleptic)complexes via photosubstitution in bis(carbonyl)precursors
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Synthesis of mononuclear and dinuclear ruthenium(II)tris(heteroleptic)complexes via photosubstitution in bis(carbonyl)precursors

机译:在双(羰基)前体中光解合成单核和双核三(杂)钌(II)配合物

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摘要

A novel,and quite general,approach for the preparation of tris(heteroleptic)ruthenium(II)complexes is reported.Using this method,which is based on photosubstitution of carbonyl ligands in precursors such as [Ru(bpy)(CO)_2Cl_2] and [Ru(bpy)(Me_2bpy)(CO)_2](PF_6)_2,mononuclear and dinuclear Ru(II)tris(heteroleptic)polypyridyl complexes containing the bridging ligands 3,5-bis(pyridin-2-yl)-1,2,4-triazole(Hbpt)and 3,5-bis(pyrazin-2-yl)-1,2,4-triazole(Hbpzt)have been prepared.The complexes obtained were purified by column chromatography and characterized by HPLC,mass spectrometry,~1H NMR,absorption and emission spectroscopy and by electrochemical methods.The X-ray structures of the compounds [Ru(bpy)(Me_2bpy)(bpt)](PF_6)centre dot 0.5C_4H_(10)O [1 centre dot 0.5C_4H_(10)O],[Ru(bpy)(Me_2bpy)(bpzt)]-(PF_6)centre dot H_2O(2 centre dot H_2O)and [Ru(bpy)(Me_2bpy)(CH_3CN)_2](PF_6)_2 centre dot C_4H_(10)O(6 centre dot C_4H_(10)O)are reported.The synthesis and characterisation of the dinuclear analogues of 1 and 2,[{Ru(bpy)(Me_2bpy)}_2bpt](PF_6)_3 centre dot 2H_2O(3)and [{Ru(bpy)(Me_2bpy)}_2bpzt](PF_6)_3(4),are also described.
机译:报道了一种新颖的,非常通用的制备三(杂)钌(II)配合物的方法。使用这种方法是基于前体如[Ru(bpy)(CO)_2Cl_2]中羰基配体的光解。和[Ru(bpy)(Me_2bpy)(CO)_2](PF_6)_2,单核和双核Ru(II)三(杂多)多吡啶基配合物,它们包含桥联配体3,5-双(吡啶-2-基)-1制备了2,2,4-三唑(Hbpt)和3,5-双(吡嗪-2-基)-1,2,4-三唑(Hbpzt)。得到的配合物经柱色谱纯化,HPLC鉴定,质谱,〜1H NMR,吸收和发射光谱以及电化学方法。化合物[Ru(bpy)(Me_2bpy)(bpt)](PF_6)中心点0.5C_4H_(10)O的X射线结构[1中心点0.5C_4H_(10)O],[Ru(bpy)(Me_2bpy)(bpzt)]-(PF_6)中心点H_2O(2中心点H_2O)和[Ru(bpy)(Me_2bpy)(CH_3CN)_2] [PF_6 )_2中心点C_4H_(10)O(6个中心点C_4H_(10)O)的报道。双核肛门的合成与表征1和2的对数,[{Ru(bpy)(Me_2bpy)} _ 2bpt](PF_6)_3中心点2H_2O(3)和[{Ru(bpy)(Me_2bpy)} _ 2bpzt](PF_6)_3(4)也有描述。

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