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@article{Morton:2024:10.1021/acs.inorgchem.3c04001,
author = {Morton, MD and Tay, BY and Mah, JJQ and White, AJP and Nobbs, JD and van, Meurs M and Britovsek, GJP},
doi = {10.1021/acs.inorgchem.3c04001},
journal = {Inorganic Chemistry: including bioinorganic chemistry},
pages = {3393--3401},
title = {Hydrogen activation with Ru-PN3P pincer complexes for the conversion of C1 feedstocks},
url = {http://dx.doi.org/10.1021/acs.inorgchem.3c04001},
volume = {63},
year = {2024}
}

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TY  - JOUR
AB  - The hydrogenation of C1 feedstocks (CO and CO2) has been investigated using ruthenium complexes [RuHCl(CO)(PN3P)] as the catalyst. PN3P pincer ligands containing amines in the linker between the central pyridine donor and the phosphorus donors with bulky substituents (tert-butyl (1) or TMPhos (2)) are required to obtain mononuclear single-site catalysts that can be activated by the addition of KOtBu to generate stable five-coordinate complexes [RuH(CO)(PN3P-H)], whereby the pincer ligand has been deprotonated. Activation of hydrogen takes place via heterolytic cleavage to generate [RuH2(CO)(PN3P)], but in the presence of CO, coordination of CO occurs preferentially to give [RuH(CO)2(PN3P-H)]. This complex can be protonated to give the cationic complex [RuH(CO)2(PN3P)]+, but it is unable to activate H2 heterolytically. In the case of the less coordinating CO2, both ruthenium complexes 1 and 2 are highly efficient as CO2 hydrogenation catalysts in the presence of a base (DBU), which in the case of the TMPhos ligand results in a TON of 30,000 for the formation of formate.
AU  - Morton,MD
AU  - Tay,BY
AU  - Mah,JJQ
AU  - White,AJP
AU  - Nobbs,JD
AU  - van,Meurs M
AU  - Britovsek,GJP
DO  - 10.1021/acs.inorgchem.3c04001
EP  - 3401
PY  - 2024///
SN  - 0020-1669
SP  - 3393
TI  - Hydrogen activation with Ru-PN3P pincer complexes for the conversion of C1 feedstocks
T2  - Inorganic Chemistry: including bioinorganic chemistry
UR  - http://dx.doi.org/10.1021/acs.inorgchem.3c04001
UR  - https://www.ncbi.nlm.nih.gov/pubmed/38330919
UR  - https://pubs.acs.org/doi/10.1021/acs.inorgchem.3c04001
UR  - http://hdl.handle.net/10044/1/110876
VL  - 63
ER  -

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