An electrochemical and optical anion chemosensor based on tripodal tris(ferrocenylurea)

Minrui Li; Biao Wu; Chuandong Jia; Xiaojuan Huang; Qilong Zhao; Shijun Shao; Xiao Juan Yang

doi:10.1002/chem.201001696

An electrochemical and optical anion chemosensor based on tripodal tris(ferrocenylurea)

Minrui Li, Biao Wu^*, Chuandong Jia, Xiaojuan Huang, Qilong Zhao, Shijun Shao, Xiao Juan Yang

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科研成果: 期刊稿件 › 文章 › 同行评审

49 引用（Scopus）

摘要

A neutral tripodal tris(ferrocenylurea) anion receptor has been designed that can electrochemically and optically recognize sulfate and phosphate anions. The binding of the tetrahedral anion induced distinct cathodic shifts of the ferrocene/ferrocenium redox couple in chloroform, whereas the UV/Vis spectrum of the receptor showed an increase in the d-d transition band upon addition of sulfate ions. Furthermore, the anion complexes (TBA)₂·[SO ₄⊂L]·H₂O (1) and TBA[F⊂L] (2; TBA=tetrabutylammonium ion) were isolated. Crystal structural analyses showed that the receptor in the two 1:1 (host/guest) complexes encapsulated sulfate or fluoride ions in the tripodal cavity through multiple hydrogen bonds. ¹HaNMR spectroscopic and ESI mass-spectrometric analysis revealed strong sulfate and fluoride binding in solution.

源语言	英语
页（从-至）	2272-2280
页数	9
期刊	Chemistry - A European Journal
卷	17
期	7
DOI	https://doi.org/10.1002/chem.201001696
出版状态	已出版 - 11 2月 2011
已对外发布	是

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title = "An electrochemical and optical anion chemosensor based on tripodal tris(ferrocenylurea)",

abstract = "A neutral tripodal tris(ferrocenylurea) anion receptor has been designed that can electrochemically and optically recognize sulfate and phosphate anions. The binding of the tetrahedral anion induced distinct cathodic shifts of the ferrocene/ferrocenium redox couple in chloroform, whereas the UV/Vis spectrum of the receptor showed an increase in the d-d transition band upon addition of sulfate ions. Furthermore, the anion complexes (TBA)2·[SO 4⊂L]·H2O (1) and TBA[F⊂L] (2; TBA=tetrabutylammonium ion) were isolated. Crystal structural analyses showed that the receptor in the two 1:1 (host/guest) complexes encapsulated sulfate or fluoride ions in the tripodal cavity through multiple hydrogen bonds. 1HaNMR spectroscopic and ESI mass-spectrometric analysis revealed strong sulfate and fluoride binding in solution.",

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author = "Minrui Li and Biao Wu and Chuandong Jia and Xiaojuan Huang and Qilong Zhao and Shijun Shao and Yang, {Xiao Juan}",

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AU - Li, Minrui

AU - Wu, Biao

AU - Jia, Chuandong

AU - Huang, Xiaojuan

AU - Zhao, Qilong

AU - Shao, Shijun

AU - Yang, Xiao Juan

PY - 2011/2/11

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N2 - A neutral tripodal tris(ferrocenylurea) anion receptor has been designed that can electrochemically and optically recognize sulfate and phosphate anions. The binding of the tetrahedral anion induced distinct cathodic shifts of the ferrocene/ferrocenium redox couple in chloroform, whereas the UV/Vis spectrum of the receptor showed an increase in the d-d transition band upon addition of sulfate ions. Furthermore, the anion complexes (TBA)2·[SO 4⊂L]·H2O (1) and TBA[F⊂L] (2; TBA=tetrabutylammonium ion) were isolated. Crystal structural analyses showed that the receptor in the two 1:1 (host/guest) complexes encapsulated sulfate or fluoride ions in the tripodal cavity through multiple hydrogen bonds. 1HaNMR spectroscopic and ESI mass-spectrometric analysis revealed strong sulfate and fluoride binding in solution.

AB - A neutral tripodal tris(ferrocenylurea) anion receptor has been designed that can electrochemically and optically recognize sulfate and phosphate anions. The binding of the tetrahedral anion induced distinct cathodic shifts of the ferrocene/ferrocenium redox couple in chloroform, whereas the UV/Vis spectrum of the receptor showed an increase in the d-d transition band upon addition of sulfate ions. Furthermore, the anion complexes (TBA)2·[SO 4⊂L]·H2O (1) and TBA[F⊂L] (2; TBA=tetrabutylammonium ion) were isolated. Crystal structural analyses showed that the receptor in the two 1:1 (host/guest) complexes encapsulated sulfate or fluoride ions in the tripodal cavity through multiple hydrogen bonds. 1HaNMR spectroscopic and ESI mass-spectrometric analysis revealed strong sulfate and fluoride binding in solution.

KW - anions

KW - electrochemistry

KW - ferrocene

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An electrochemical and optical anion chemosensor based on tripodal tris(ferrocenylurea)

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