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Electron acceptors promote proton–hydride tautomerism in low valent rhenium β-diketiminates

Lohrey, Trevor D. and Fostvedt, Jade I. and Bergman, Robert G. and Arnold, John (2020) Electron acceptors promote proton–hydride tautomerism in low valent rhenium β-diketiminates. Chemical Communications, 56 (26). pp. 3761-3764. ISSN 1359-7345. doi:10.1039/c9cc09475j.

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We report a series of β-diketiminate (BDI) complexes in which tautomeric rhenium(III) hydride and rhenium(I) protio-BDI species readily interconvert between the solid and solution states. This phenomenon, which is only operative when an electron-accepting ligand is bound to rhenium, was investigated by a combination of experimental and computational methods.

Item Type:Article
Related URLs:
URLURL TypeDescription
Lohrey, Trevor D.0000-0003-3568-7861
Fostvedt, Jade I.0000-0002-6445-8569
Bergman, Robert G.0000-0002-3105-8366
Arnold, John0000-0001-9671-227X
Additional Information:© 2020 The Royal Society of Chemistry. Submitted 05 Dec 2019; Accepted 20 Feb 2020; First published 03 Mar 2020. This research was funded by the NSF (Grant No. CHE-1465188). T. D. L. thanks the U.S. DOE Integrated University Program for a graduate research fellowship. J. I. F. acknowledges support from a NSF graduate research fellowship (Grant No. DGE 1752814). Michael A. Boreen and Erik T. Ouellette are acknowledged for helpful discussions. Prof. Simon Humphrey (University of Texas, Austin) is thanked for a generous gift of rhenium. DFT calculations were conducted at the UC Berkeley Molecular Graphics and Computational Facility (MGCF, funded by NIH S10OD023532). Dr David Small is thanked for assistance with DFT calculations. The Advanced Light Source (ALS) is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. DOE under Contract No. DE-AC02-05CH11231. Dr Simon J. Teat is thanked for guidance throughout our crystallography experiments at the ALS.
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC02-05CH11231
NSF Graduate Research FellowshipDGE-1752814
Issue or Number:26
Record Number:CaltechAUTHORS:20200507-083516909
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Official Citation:Electron acceptors promote proton–hydride tautomerism in low valent rhenium β-diketiminates. Chem. Commun., 2020, 56, 3761-3764; doi: 10.1039/c9cc09475j
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103061
Deposited By: Tony Diaz
Deposited On:07 May 2020 18:59
Last Modified:16 Nov 2021 18:18

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