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Peer-reviewedCC BYInorganic chemistry

In Crystallo Hydrogenation of Nitrous Oxide Using a Rhodium(II) Hydride Complex.

  • Thomas M Hood1
  • Sophie H Dewick1
  • Jie Liu2
  • Emma Richards3
  • Adrian B Chaplin1
  1. 1Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, U.K.
  2. 2Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, U.K.
  3. 3School of Chemistry, Cardiff University, Translational Research Hub, Cardiff, CF24 4HQ, U.K.
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Abstract

The stoichiometric and catalytic hydrogenation of nitrous oxide mediated by gas/solid reactions of rhodium(II) pincer complexes [Rh(PNP-tBu)X]+ (X = CH3, H, OH; PNP-tBu = 2,6-(tBu2PCH2)2C5H3N) is reported. A reaction sequence involving Rh(II)-CH3 → Rh(II)-H → Rh(II)-OH → Rh(II)-H bond interconversions has been structurally mapped out by single-crystal X-ray diffraction and verified by EPR spectroscopy. These rhodium(II) metalloradicals are sufficiently robust to catalyze the hydrogenation of nitrous oxide at room temperature with modest productivity (8.3 apparent turnovers). The relative rates of the stoichiometric transformations suggest that Rh-O bond hydrogenolysis is turnover-limiting.

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Cite

BibTeXRIS
BibTeX
@article{hood2026crystallo,
  title = {{In Crystallo Hydrogenation of Nitrous Oxide Using a Rhodium(II) Hydride Complex.}},
  author = {Thomas M Hood and Sophie H Dewick and Jie Liu and Emma Richards and Adrian B Chaplin},
  journal = {Inorganic chemistry},
  year = {2026},
  month = sep,
  doi = {10.1021/acs.inorgchem.6c04272},
  url = {https://europepmc.org/article/MED/42916462},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - In Crystallo Hydrogenation of Nitrous Oxide Using a Rhodium(II) Hydride Complex.
AU  - Thomas M Hood
AU  - Sophie H Dewick
AU  - Jie Liu
AU  - Emma Richards
AU  - Adrian B Chaplin
PY  - 2026
DA  - 2026/09/01
JO  - Inorganic chemistry
DO  - 10.1021/acs.inorgchem.6c04272
UR  - https://europepmc.org/article/MED/42916462
AB  - The stoichiometric and catalytic hydrogenation of nitrous oxide mediated by gas/solid reactions of rhodium(II) pincer complexes [Rh(PNP-tBu)X]+ (X = CH3, H, OH; PNP-tBu = 2,6-(tBu2PCH2)2C5H3N) is reported. A reaction sequence involving Rh(II)-CH3 → Rh(II)-H → Rh(II)-OH → Rh(II)-H bond interconversions has been structurally mapped out by single-crystal X-ray diffraction and verified by EPR spectroscopy. These rhodium(II) metalloradicals are sufficiently robust to catalyze the hydrogenation of nitrous oxide at room temperature with modest productivity (8.3 apparent turnovers). The relative rates of the stoichiometric transformations suggest that Rh-O bond hydrogenolysis is turnover-limiting.
SN  - 0020-1669
SN  - 1520-510X
ER  -