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首页> 外文期刊>Organometallics >Anion Receptor Electrochemical Sensing Properties of Poly(propyleneimine) Dendrimers with Ferrocenylamidoalkyl Terminal Groups
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Anion Receptor Electrochemical Sensing Properties of Poly(propyleneimine) Dendrimers with Ferrocenylamidoalkyl Terminal Groups

机译:带有二茂铁酰胺基烷基末端基团的聚(丙烯亚胺)树状聚合物的阴离子受体电化学传感性能

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摘要

A novel family of dendrimers with amidoferrocenyl units attached to diaminobutane-based poly(propyleneimine) surfaces through alkyl chains, DAB-dend-[NHCO(CH2)(10)HNCOFc](x) (3-6: x = 4, 8, 16, 32), Fc = [eta(5)-C5H5]Fe[eta(5)-C5H4], has been prepared by reaction of the novel functionalized ferrocenyl derivative [eta 5-C5H5]Fe[eta(5)-C5H4CONH(CH2)(10)COF] (2) with the corresponding amine dendrimers. Characterization of the synthesized dendrimers by H-1 and C-13{H-1} NMR and IR spectroscopy and mass spectrometry supports their assigned structures. The redox activity of the ferrocenyl centers in 3-6 has been characterized by cyclic voltammetry. These compounds showed electrochemical responses to the anions not only in organic solvents but also immobilized onto electrode surfaces in organic and aqueous media. Selective recognition for H2PO4- over other anions was observed.
机译:DAB-dend- [NHCO(CH2)(10)HNCOFc](x)(3-6:x = 4,8,8)具有新颖的树枝状聚合物,其酰胺基二茂铁基单元通过烷基链连接到基于二氨基丁烷的聚亚丙基亚胺表面上。 16、32),Fc = [eta(5)-C5H5] Fe [eta(5)-C5H4],是通过新型功能化二茂铁基衍生物[eta 5-C5H5] Fe [eta(5)-C5H4CONH的反应制备的(CH2)(10)COF](2)与相应的胺树枝状聚合物。通过H-1和C-13 {H-1} NMR以及IR光谱和质谱对合成的树枝状聚合物进行表征可支持其指定的结构。通过循环伏安法表征了3-6中的二茂铁基中心的氧化还原活性。这些化合物不仅在有机溶剂中显示出对阴离子的电化学反应,而且还固定在有机和水性介质中的电极表面上。观察到H2PO4-相对于其他阴离子的选择性识别。

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