A cobalt(II) complex with unique paraSHIFT responses to anions

E. S. O’Neill; J. L. Kolanowski; P. D. Bonnitcha; E. J. New

doi:10.1039/C7CC00619E

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A cobalt(ii) complex with unique paraSHIFT responses to anions†

E. S. O’Neill,^a J. L. Kolanowski,^a P. D. Bonnitcha^b and E. J. New

*^a

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* Corresponding authors

^a School of Chemistry, The University of Sydney, NSW 2006, Australia
E-mail: elizabeth.new@sydney.edu.au

^b Sydney Medical School, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia

Abstract

ParaSHIFT agents have shown promise in detecting chemical targets in biological systems by magnetic resonance, but few studies have used transition metal complexes for this purpose. Here we report our investigations into CoMe₆trenCl (tren = tris(2-aminoethyl)amine) as a paraSHIFT agent. The paramagnetic region of the ¹H NMR spectrum shows characteristic spectral profiles in the presence of fluoride, acetate, lactate and citrate in aqueous solution. These distinctive NMR shifts of each anion are maintained even in mixtures of anions.

This article is part of the themed collection: Celebrating Excellence in Research: 100 Women of Chemistry

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Article information

DOI: https://doi.org/10.1039/C7CC00619E
Article type: Communication
Submitted: 23 Jan 2017
Accepted: 06 Mar 2017
First published: 13 Mar 2017

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Chem. Commun., 2017,53, 3571-3574

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A cobalt(II) complex with unique paraSHIFT responses to anions

E. S. O’Neill, J. L. Kolanowski, P. D. Bonnitcha and E. J. New, Chem. Commun., 2017, 53, 3571 DOI: 10.1039/C7CC00619E

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Chemical Communications

A cobalt(ii) complex with unique paraSHIFT responses to anions†

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A cobalt(II) complex with unique paraSHIFT responses to anions

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