Self-assembly of metallomacrocycles with dipyrazole ligands and anion sensing of [Pd4Fe2] macrocycle with ferrocene-based dipyrazole ligand.
Self-assembly of metallomacrocycles with dipyrazole ligands and anion sensing of [Pd4Fe2] macrocycle with ferrocene-based dipyrazole ligand.
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DOI：
10.1039/c2dt32576d
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发表时间：
2013-02
影响因子：
4
通讯作者：
L. Yao;Zheng-Su Yu;Lin Qin;Yi-zhi Li;Yu Qin;Shu-Yan Yu
中科院分区：
文献类型：
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作者：
L. Yao;Zheng-Su Yu;Lin Qin;Yi-zhi Li;Yu Qin;Shu-Yan Yu
通过使用二钯角[（bpy）（2）Pd（2）（NO（3））（2）]（NO（3））（2）或[（phen）（2）Pd（2）（NO（3））（2）]（NO（3））（2），（其中bpy = 2，2 ′-联吡啶，phen = 1，10-菲咯啉）在水溶液中桥连二茂铁基二吡唑配体（L（1））和间亚苯基基二吡唑配体（L（2-3）），得到了一系列带正电荷的[M（4）L（2）]（4+）金属大环化合物。化合物1·4 NO（3）（{[（bpy）Pd]（4）L（1）（2）}（NO（3））（4））和4·4 NO（3）（{[（phen）Pd]（4）L（2）（2）}（NO（3））（4））的结构经1H NMR、电喷雾质谱（ESI-MS）、元素分析和单晶X-射线衍射分析表征。在其单晶结构中，NO（3）（-）阴离子通过C-H键位于二钯角上。O氢键。重要的是，二茂铁功能化的[Pd（4）Fe（2）]杂金属大环1在乙腈中通过SWV，CV和NMR分析研究了阴离子传感性能，显示出用于Br（-）传感的前景。
By employing dipalladium corners [(bpy)(2)Pd(2)(NO(3))(2)](NO(3))(2) or [(phen)(2)Pd(2)(NO(3))(2)](NO(3))(2) (where bpy = 2,2'-bipyridine and phen = 1,10-phenanthroline) to bridge ferrocene-based dipyrazole ligand (L(1)) and m-phenylene-based dipyrazole ligands (L(2-3)) in aqueous solution, a series of positively-charged [M(4)L(2)](4+) metallomacrocycles were obtained. Their structures were characterized by (1)H NMR, electrospray ionization mass spectrometry (ESI-MS), elemental analysis, and single crystal X-ray diffraction analysis for 1·4NO(3) ({[(bpy)Pd](4)L(1)(2)}(NO(3))(4)) and 4·4NO(3) ({[(phen)Pd](4)L(2)(2)}(NO(3))(4)). In their single crystal structures, NO(3)(-) anions are located at the dipalladium corners by C-H...O hydrogen bonds. Importantly, the anion-sensing properties of ferrocene functionalized [Pd(4)Fe(2)] hetero-metallomacrocycle 1 were investigated in acetonitrile by SWV, CV and NMR analysis, showing promise for Br(-) sensing.