Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO

Andrea O'Reilly; Matthew Haynes; Zoe Turner; Claire McMullin; Sjoerd  Harder; Dermot  O'Hare; Robin Fulton; Martyn Coles

doi:10.1039/d4cc02594f

Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO

Andrea O'Reilly, Matthew Haynes, Zoe Turner, Claire McMullin, Sjoerd Harder, Dermot O'Hare, Robin Fulton, Martyn Coles

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

2 Citations (SciVal)

Abstract

Reduction of [Mg(NON)] ₂ ([NON] ²⁻ = [O(SiMe ₂NDipp) ₂] ²⁻, Dipp = 2,6-iPr ₂C ₆H ₃) affords Mg(i) species containing NON- and NNO-ligands ([NNO] ²⁻ = [N(Dipp)SiMe ₂N(Dipp)SiMe ₂O] ²⁻). The products of reactions with iPrN C NiPr and CO are consistent with the presence of reducing Mg(i) centres. Extraction with THF affords [K(THF) ₂] ₂[(NNO)Mg-Mg(NNO)] with a structurally characterised Mg-Mg bond that was examined using density functional theory.

Original language	English
Pages (from-to)	7204-7207
Number of pages	4
Journal	Chemical Communications
Volume	60
Issue number	56
Early online date	20 Jun 2024
DOIs	https://doi.org/10.1039/d4cc02594f
Publication status	Published - 18 Jul 2024

Data Availability Statement

The data supporting this article have been included as part of the ESI.

Funding

A. O’. R., M. P. C. and J. R. F. acknowledge funding from the Royal Society Te Apārangi (MFP-VUW2020). M. D. H. acknowledges funding from the EPSRC Centre for Doctoral Training in Inorganic Chemistry for Future Manufacturing (OxICFM), EP/S023828/1, and the RSC for a Researcher Development and Travel Grant. C. L. M. acknowledges the RSC Research Enablement Grant (E21-8355738114). The authors gratefully acknowledge the University of Bath's Research Computing Group (https://doi.org/10.15125/b6cd-s854) for their support in this work.

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10.1039/d4cc02594fLicence: CC BY

Cite this

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title = "Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO",

abstract = "Reduction of [Mg(NON)] 2 ([NON] 2− = [O(SiMe 2NDipp) 2] 2−, Dipp = 2,6-iPr 2C 6H 3) affords Mg(i) species containing NON- and NNO-ligands ([NNO] 2− = [N(Dipp)SiMe 2N(Dipp)SiMe 2O] 2−). The products of reactions with iPrN C NiPr and CO are consistent with the presence of reducing Mg(i) centres. Extraction with THF affords [K(THF) 2] 2[(NNO)Mg-Mg(NNO)] with a structurally characterised Mg-Mg bond that was examined using density functional theory.",

author = "Andrea O'Reilly and Matthew Haynes and Zoe Turner and Claire McMullin and Sjoerd Harder and Dermot O'Hare and Robin Fulton and Martyn Coles",

year = "2024",

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language = "English",

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T1 - Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO

AU - O'Reilly, Andrea

AU - Haynes, Matthew

AU - Turner, Zoe

AU - McMullin, Claire

AU - Harder, Sjoerd

AU - O'Hare, Dermot

AU - Fulton, Robin

AU - Coles, Martyn

PY - 2024/7/18

Y1 - 2024/7/18

N2 - Reduction of [Mg(NON)] 2 ([NON] 2− = [O(SiMe 2NDipp) 2] 2−, Dipp = 2,6-iPr 2C 6H 3) affords Mg(i) species containing NON- and NNO-ligands ([NNO] 2− = [N(Dipp)SiMe 2N(Dipp)SiMe 2O] 2−). The products of reactions with iPrN C NiPr and CO are consistent with the presence of reducing Mg(i) centres. Extraction with THF affords [K(THF) 2] 2[(NNO)Mg-Mg(NNO)] with a structurally characterised Mg-Mg bond that was examined using density functional theory.

AB - Reduction of [Mg(NON)] 2 ([NON] 2− = [O(SiMe 2NDipp) 2] 2−, Dipp = 2,6-iPr 2C 6H 3) affords Mg(i) species containing NON- and NNO-ligands ([NNO] 2− = [N(Dipp)SiMe 2N(Dipp)SiMe 2O] 2−). The products of reactions with iPrN C NiPr and CO are consistent with the presence of reducing Mg(i) centres. Extraction with THF affords [K(THF) 2] 2[(NNO)Mg-Mg(NNO)] with a structurally characterised Mg-Mg bond that was examined using density functional theory.

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DO - 10.1039/d4cc02594f

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IS - 56

ER -

Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO

Abstract

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Mixing and matching N,N- and N,O-chelates in anionic Mg(I) compounds: synthesis and reactivity with RN=C=NR and CO

Abstract

Data Availability Statement

Funding

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