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Kinetic versus thermodynamic metalation enables synthesis of isostructural homo- and heterometallic trinuclear clusters

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Abstract

Temperature-dependent metalation of the new hexadentate ligand (tris(5-(pyridin-2-yl)-1H-pyrrol-2-yl)methane; H3TPM) enables the selective synthesis of both mononuclear (i.e. Na(THF)4[Fe(TPM)], kinetic product) and trinuclear (i.e. Fe3(TPM)2, thermodynamic product) complexes. Exposure of Na(THF)4[Fe(TPM)] to FeCl2 or ZnCl2 triggers cluster expansion to generate homo- or heterometallic trinuclear complexes, respectively. The developed approach enables systematic variation of ion content in isostructural metal clusters via programmed assembly.

Graphical abstract: Kinetic versus thermodynamic metalation enables synthesis of isostructural homo- and heterometallic trinuclear clusters

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Article information


Submitted
31 Mar 2020
Accepted
21 Apr 2020
First published
21 Apr 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Kinetic versus thermodynamic metalation enables synthesis of isostructural homo- and heterometallic trinuclear clusters

S. Hyun, A. Upadhyay, A. Das, C. P. Burns, S. Sung, J. D. Beaty, N. Bhuvanesh, M. Nippe and D. C. Powers, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02346A

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