Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates
Тип публикации: Journal Article
Дата публикации: 2020-11-18
scimago Q1
wos Q2
БС1
SJR: 1.037
CiteScore: 7.4
Impact factor: 4.2
ISSN: 13597345, 1364548X
PubMed ID:
33241813
Materials Chemistry
Metals and Alloys
Surfaces, Coatings and Films
General Chemistry
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Catalysis
Краткое описание
A series of bidentate N-heterocyclic carbene (NHC) iridium catalysts, [Ir(κC,N-NHC)H2L2]BPh4, are proposed for SABRE hyperpolarization. The steric and electronic properties of the NHCs are used to tune substrate affinity and thereby SABRE efficiency. The sterically hindered substrates 2,4-diaminopyrimidine and trimethoprim yielded maximum proton NMR signal enhancements of ∼300-fold and ∼150-fold, respectively.
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Pham P. et al. Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates // Chemical Communications. 2020. Vol. 56. No. 98. pp. 15466-15469.
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Pham P., Hilty C. Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates // Chemical Communications. 2020. Vol. 56. No. 98. pp. 15466-15469.
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TY - JOUR
DO - 10.1039/D0CC06840C
UR - https://xlink.rsc.org/?DOI=D0CC06840C
TI - Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates
T2 - Chemical Communications
AU - Pham, Pierce
AU - Hilty, Christian
PY - 2020
DA - 2020/11/18
PB - Royal Society of Chemistry (RSC)
SP - 15466-15469
IS - 98
VL - 56
PMID - 33241813
SN - 1359-7345
SN - 1364-548X
ER -
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@article{2020_Pham,
author = {Pierce Pham and Christian Hilty},
title = {Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates},
journal = {Chemical Communications},
year = {2020},
volume = {56},
publisher = {Royal Society of Chemistry (RSC)},
month = {nov},
url = {https://xlink.rsc.org/?DOI=D0CC06840C},
number = {98},
pages = {15466--15469},
doi = {10.1039/D0CC06840C}
}
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MLA
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Pham, Pierce, et al. “Tunable iridium catalyst designs with bidentate N-heterocyclic carbene ligands for SABRE hyperpolarization of sterically hindered substrates.” Chemical Communications, vol. 56, no. 98, Nov. 2020, pp. 15466-15469. https://xlink.rsc.org/?DOI=D0CC06840C.