Issue 25, 2017

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

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.

Graphical abstract: A cobalt(ii) complex with unique paraSHIFT responses to anions

Supplementary files

Article information

Article type
Communication
Submitted
23 1 2017
Accepted
06 3 2017
First published
13 3 2017

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

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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