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Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts

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Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts. / Tickner, Benjamin James; Lewis, Jennifer Sunari; John, Richard Owain; Whitwood, Adrian C.; Duckett, Simon.

In: Dalton Transactions, 24.09.2019.

Research output: Contribution to journalArticlepeer-review

Harvard

Tickner, BJ, Lewis, JS, John, RO, Whitwood, AC & Duckett, S 2019, 'Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts', Dalton Transactions. https://doi.org/10.1039/c9dt02951f

APA

Tickner, B. J., Lewis, J. S., John, R. O., Whitwood, A. C., & Duckett, S. (2019). Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts. Dalton Transactions. https://doi.org/10.1039/c9dt02951f

Vancouver

Tickner BJ, Lewis JS, John RO, Whitwood AC, Duckett S. Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts. Dalton Transactions. 2019 Sep 24. https://doi.org/10.1039/c9dt02951f

Author

Tickner, Benjamin James ; Lewis, Jennifer Sunari ; John, Richard Owain ; Whitwood, Adrian C. ; Duckett, Simon. / Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts. In: Dalton Transactions. 2019.

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@article{51a02fe9b9504cbf9229761628131c7e,
title = "Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts",
abstract = "Signal Amplification By Reversible Exchange (SABRE) is a hyperpolarisation technique that commonly uses [Ir(H)2(carbene)(substrate)3]Cl complexes to catalytically transfer magnetisation from para-hydrogen derived hydride ligands to coordinated substrates. Here, we explore the reactivity of a novel class of such catalysts based on sulfoxide containing [IrCl(H)2(carbene)(DMSO)2], which are involved in the hyperpolarisation of pyruvate using SABRE. We probe the reactivity of this species by NMR and DFT and upon reaction with sodium pyruvate establish the formation of two isomers of [Ir(H)2(η2-pyruvate)(DMSO)(IMes)]. Studies with related disodium oxalate yield [Ir2(H)4(IMes)2(DMSO)2(κ2-η2-Oxalate)] that is characterised by NMR and X-ray diffraction.",
author = "Tickner, {Benjamin James} and Lewis, {Jennifer Sunari} and John, {Richard Owain} and Whitwood, {Adrian C.} and Simon Duckett",
note = "{\textcopyright} The Royal Society of Chemistry 2019",
year = "2019",
month = sep,
day = "24",
doi = "10.1039/c9dt02951f",
language = "English",
journal = "Dalton Transactions",
issn = "1477-9234",
publisher = "Royal Society of Chemistry",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mechanistic Insight into Novel Sulfoxide Containing SABRE Polarisation Transfer Catalysts

AU - Tickner, Benjamin James

AU - Lewis, Jennifer Sunari

AU - John, Richard Owain

AU - Whitwood, Adrian C.

AU - Duckett, Simon

N1 - © The Royal Society of Chemistry 2019

PY - 2019/9/24

Y1 - 2019/9/24

N2 - Signal Amplification By Reversible Exchange (SABRE) is a hyperpolarisation technique that commonly uses [Ir(H)2(carbene)(substrate)3]Cl complexes to catalytically transfer magnetisation from para-hydrogen derived hydride ligands to coordinated substrates. Here, we explore the reactivity of a novel class of such catalysts based on sulfoxide containing [IrCl(H)2(carbene)(DMSO)2], which are involved in the hyperpolarisation of pyruvate using SABRE. We probe the reactivity of this species by NMR and DFT and upon reaction with sodium pyruvate establish the formation of two isomers of [Ir(H)2(η2-pyruvate)(DMSO)(IMes)]. Studies with related disodium oxalate yield [Ir2(H)4(IMes)2(DMSO)2(κ2-η2-Oxalate)] that is characterised by NMR and X-ray diffraction.

AB - Signal Amplification By Reversible Exchange (SABRE) is a hyperpolarisation technique that commonly uses [Ir(H)2(carbene)(substrate)3]Cl complexes to catalytically transfer magnetisation from para-hydrogen derived hydride ligands to coordinated substrates. Here, we explore the reactivity of a novel class of such catalysts based on sulfoxide containing [IrCl(H)2(carbene)(DMSO)2], which are involved in the hyperpolarisation of pyruvate using SABRE. We probe the reactivity of this species by NMR and DFT and upon reaction with sodium pyruvate establish the formation of two isomers of [Ir(H)2(η2-pyruvate)(DMSO)(IMes)]. Studies with related disodium oxalate yield [Ir2(H)4(IMes)2(DMSO)2(κ2-η2-Oxalate)] that is characterised by NMR and X-ray diffraction.

U2 - 10.1039/c9dt02951f

DO - 10.1039/c9dt02951f

M3 - Article

JO - Dalton Transactions

JF - Dalton Transactions

SN - 1477-9234

ER -