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Issue 36, 2016
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Insights into metal–ligand hydrogen transfer: a square-planar ruthenate complex supported by a tetradentate amino–amido-diolefin ligand

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Abstract

A four-coordinate, sixteen-electron Ru(0) complex containing the tetradentate diamino-diolefin ligand (±)-trans-N,N-bis(5H-dibenzo[a,d]cyclohepten-5-yl)-1,2-diaminocyclohexane (trop2dach) has been synthesised. Deprotonation of one amino N–H functional group generates an unprecedented four-coordinate ruthenate species which has been characterised in solution and in the solid state. The newly formed ruthenate complex undergoes intramolecular metal–ligand N–H addition/elimination in solution to generate a transient diamido ruthenium hydride species, as supported by NMR spectroscopy and density functional theory.

Graphical abstract: Insights into metal–ligand hydrogen transfer: a square-planar ruthenate complex supported by a tetradentate amino–amido-diolefin ligand

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Article information


Submitted
04 Jan 2016
Accepted
31 Mar 2016
First published
01 Apr 2016

This article is Open Access

Chem. Commun., 2016,52, 6138-6141
Article type
Communication

Insights into metal–ligand hydrogen transfer: a square-planar ruthenate complex supported by a tetradentate amino–amido-diolefin ligand

D. E. Prokopchuk, A. J. Lough, R. E. Rodriguez-Lugo, R. H. Morris and H. Grützmacher, Chem. Commun., 2016, 52, 6138
DOI: 10.1039/C6CC00041J

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