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PreprintCC BYChemRxiv

Rapid mechanochemical dinitrogen fixation for single-atom skeletal editing

  • Hayoung Shin1,2
  • Jihye Park3,4
  • Da Hye Lee1,2
  • Hosun Shin3,4,5,6
  • Hyeokjun Park7,8
  • Yoonsu Park1,2,9,10
10 affiliations
  1. 1Department of Chemistry
  2. 2Korea Advanced Institute of Science and Technology (KAIST
  3. 3Division of Chemical and Material Metrology
  4. 4Korea Research Institute of Standards and Science
  5. 5Department of Applied Measurement Science
  6. 6University of Science and Technology
  7. 7Department of Materials Science and Engineering
  8. 8Korea University
  9. 9InnoCORE AI Co-Research & Education for Innovative Drug (AI-CRED) Institute
  10. 10KAIST
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Abstract

Direct utilization of dinitrogen (N2) in organic synthesis remains an unmet challenge in sustainable chemistry, particularly under mild conditions. Conventional transition-metal-mediated N2 functionalization typically requires elaborately designed catalysts under harsh conditions, limiting operational practicality. Here, we report a mechanochemical strategy that achieves rapid, lithium-mediated N2 reduction at ambient pressure and temperature in under two minutes, delivering polymorphic mixtures of α- and β-lithium nitride. The resulting metal nitride serves as a versatile platform for single nitrogen-atom transfer: applied to skeletal conversion reactions, it enables direct O-to-N transmutation of furans and aromatic oxonium salts into the corresponding pyrroles and pyridine derivatives, establishing a formal incorporation of N2 into N-heterocycles. The photophysical consequences of the single-atom edit on excited-state properties of the molecular chromophores were evaluated.

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Cite

BibTeXRIS
BibTeX
@misc{shin2026rapid,
  title = {{Rapid mechanochemical dinitrogen fixation for single-atom skeletal editing}},
  author = {Hayoung Shin and Jihye Park and Da Hye Lee and Hosun Shin and Hyeokjun Park and Yoonsu Park},
  howpublished = {ChemRxiv},
  year = {2026},
  month = oct,
  doi = {10.26434/chemrxiv.15010321/v1},
  url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010321/v1},
  note = {CC BY},
}
RIS
TY  - UNPB
TI  - Rapid mechanochemical dinitrogen fixation for single-atom skeletal editing
AU  - Hayoung Shin
AU  - Jihye Park
AU  - Da Hye Lee
AU  - Hosun Shin
AU  - Hyeokjun Park
AU  - Yoonsu Park
PY  - 2026
DA  - 2026/10/12
PB  - ChemRxiv
DO  - 10.26434/chemrxiv.15010321/v1
UR  - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010321/v1
AB  - Direct utilization of dinitrogen (N2) in organic synthesis remains an unmet challenge in sustainable chemistry, particularly under mild conditions. Conventional transition-metal-mediated N2 functionalization typically requires elaborately designed catalysts under harsh conditions, limiting operational practicality. Here, we report a mechanochemical strategy that achieves rapid, lithium-mediated N2 reduction at ambient pressure and temperature in under two minutes, delivering polymorphic mixtures of α- and β-lithium nitride. The resulting metal nitride serves as a versatile platform for single nitrogen-atom transfer: applied to skeletal conversion reactions, it enables direct O-to-N transmutation of furans and aromatic oxonium salts into the corresponding pyrroles and pyridine derivatives, establishing a formal incorporation of N2 into N-heterocycles. The photophysical consequences of the single-atom edit on excited-state properties of the molecular chromophores were evaluated.
ER  -