A ferrocene-based heteroditopic ligand for electrochemical sensing of cations and anions

Francisco Otón; Alberto Tárraga; María D. Velasco; Pedro Molina

doi:10.1039/B419082C

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A ferrocene-based heteroditopic ligand for electrochemical sensing of cations and anions†

Francisco Otón,^a Alberto Tárraga,*^a María D. Velasco^a and Pedro Molina*^a

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* Corresponding authors

^a Departamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, Murcia, Spain
E-mail: pmolina@um.es
Fax: +34 968 364149
Tel: +34 968 367496

Abstract

A ferrocene-based heteroditopic receptor containing urea and crown ether units shows electrochemical responses to dihydrogenphosphate and fluoride anions. K⁺ cations can only be detected in the presence of dihydrogenphosphate.

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Supplementary files

General description of electrochemistry experiments. Fig. S1: Evolution of the ¹H NMR spectra of 1 upon addition of increasing amounts of F⁻ anion. Fig. S2: Changes in the chemical shifts of the NH protons of 1 upon addition of nBu₄NF. Fig. S3: Changes in the chemical shifts of the NH protons of 1 upon addition of nBu₄NH₂PO₄. Fig. S4: Changes in the chemical shifts of the NH protons of 1 upon addition of KClO₄. Fig. S5: Changes in the chemical shifts of the NH protons of [1^.H₂PO₄⁻] upon addition of KClO₄. Fig. S6: CV response of compound 1 in CH₂Cl₂ before and after addition of 2 equivalents of H₂PO₄⁻. Fig. S7: Voltammetric response of compound 1 in CH₂Cl₂ before and after addition of 1.5 equivalents of F⁻ PDF (230K)

Article information

DOI: https://doi.org/10.1039/B419082C
Article type: Communication
Submitted: 12 Dec 2004
Accepted: 22 Feb 2005
First published: 03 Mar 2005

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Dalton Trans., 2005, 1159-1161

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A ferrocene-based heteroditopic ligand for electrochemical sensing of cations and anions

F. Otón, A. Tárraga, M. D. Velasco and P. Molina, Dalton Trans., 2005, 1159 DOI: 10.1039/B419082C

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Dalton Transactions

A ferrocene-based heteroditopic ligand for electrochemical sensing of cations and anions†

Abstract

Supplementary files

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A ferrocene-based heteroditopic ligand for electrochemical sensing of cations and anions

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