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Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation

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Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation. / Duckett, Simon; Fekete, Marianna; Nelson-Forde, Rhianna; Rayner, Peter John; Whitwood, Adrian C.; Messerle, B A ; Wong, Chin Min; Gatus, Mark R. D. .

In: Catalysis Science and Technology, 03.09.2018.

Research output: Contribution to journalArticle

Harvard

Duckett, S, Fekete, M, Nelson-Forde, R, Rayner, PJ, Whitwood, AC, Messerle, BA, Wong, CM & Gatus, MRD 2018, 'Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation', Catalysis Science and Technology. https://doi.org/10.1039/C8CY01214H

APA

Duckett, S., Fekete, M., Nelson-Forde, R., Rayner, P. J., Whitwood, A. C., Messerle, B. A., ... Gatus, M. R. D. (2018). Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation. Catalysis Science and Technology, [CY-ART-06-2018-001214.R1]. https://doi.org/10.1039/C8CY01214H

Vancouver

Duckett S, Fekete M, Nelson-Forde R, Rayner PJ, Whitwood AC, Messerle BA et al. Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation. Catalysis Science and Technology. 2018 Sep 3. CY-ART-06-2018-001214.R1. https://doi.org/10.1039/C8CY01214H

Author

Duckett, Simon ; Fekete, Marianna ; Nelson-Forde, Rhianna ; Rayner, Peter John ; Whitwood, Adrian C. ; Messerle, B A ; Wong, Chin Min ; Gatus, Mark R. D. . / Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation. In: Catalysis Science and Technology. 2018.

Bibtex - Download

@article{3be646890a324518837d3d4b4d91683f,
title = "Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation",
abstract = "The catalytic signal amplification process has become widely used for the hyperpolarisation of small molecules to improve their magnetic resonance detectability. It harnesses the latent polarisation of parahydrogen, and involves the formation of labile metal complex that often contains an N-heterocyclic carbene (NHC) ligand (e.g. [Ir(H)2(NHC)(pyridine)3]Cl), which act as a polarisation transfer catalyst. Unfortunately, if the target molecule is too bulky, binding to the catalyst is poor and the hyperpolarisation yield is therefore low. We illustrate here the behaviour of a series of asymmetric NHC containing catalysts towards 3,4- and 3,5-lutidine in order to show how catalyst design can be used to dramatically improve the outcome of this catalytic process for sterically encumbered ligands.",
author = "Simon Duckett and Marianna Fekete and Rhianna Nelson-Forde and Rayner, {Peter John} and Whitwood, {Adrian C.} and Messerle, {B A} and Wong, {Chin Min} and Gatus, {Mark R. D.}",
year = "2018",
month = "9",
day = "3",
doi = "10.1039/C8CY01214H",
language = "English",
journal = "Catalysis Science and Technology",
issn = "2044-4753",
publisher = "Royal Society of Chemistry",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation

AU - Duckett, Simon

AU - Fekete, Marianna

AU - Nelson-Forde, Rhianna

AU - Rayner, Peter John

AU - Whitwood, Adrian C.

AU - Messerle, B A

AU - Wong, Chin Min

AU - Gatus, Mark R. D.

PY - 2018/9/3

Y1 - 2018/9/3

N2 - The catalytic signal amplification process has become widely used for the hyperpolarisation of small molecules to improve their magnetic resonance detectability. It harnesses the latent polarisation of parahydrogen, and involves the formation of labile metal complex that often contains an N-heterocyclic carbene (NHC) ligand (e.g. [Ir(H)2(NHC)(pyridine)3]Cl), which act as a polarisation transfer catalyst. Unfortunately, if the target molecule is too bulky, binding to the catalyst is poor and the hyperpolarisation yield is therefore low. We illustrate here the behaviour of a series of asymmetric NHC containing catalysts towards 3,4- and 3,5-lutidine in order to show how catalyst design can be used to dramatically improve the outcome of this catalytic process for sterically encumbered ligands.

AB - The catalytic signal amplification process has become widely used for the hyperpolarisation of small molecules to improve their magnetic resonance detectability. It harnesses the latent polarisation of parahydrogen, and involves the formation of labile metal complex that often contains an N-heterocyclic carbene (NHC) ligand (e.g. [Ir(H)2(NHC)(pyridine)3]Cl), which act as a polarisation transfer catalyst. Unfortunately, if the target molecule is too bulky, binding to the catalyst is poor and the hyperpolarisation yield is therefore low. We illustrate here the behaviour of a series of asymmetric NHC containing catalysts towards 3,4- and 3,5-lutidine in order to show how catalyst design can be used to dramatically improve the outcome of this catalytic process for sterically encumbered ligands.

U2 - 10.1039/C8CY01214H

DO - 10.1039/C8CY01214H

M3 - Article

JO - Catalysis Science and Technology

T2 - Catalysis Science and Technology

JF - Catalysis Science and Technology

SN - 2044-4753

M1 - CY-ART-06-2018-001214.R1

ER -