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Carbene-supported triphosphorus anion

Author

Listed:
  • Yanbo Mei

    (Southern University of Science and Technology
    Great Bay University)

  • Xue-Yi He

    (Southern University of Science and Technology)

  • Jiancheng Li

    (Southern University of Science and Technology)

  • Mo Liu

    (Southern University of Science and Technology)

  • Qiuming Liang

    (Great Bay University)

  • Chengbo Yang

    (Chinese Academy of Sciences)

  • Liu Leo Liu

    (Southern University of Science and Technology)

Abstract

The stabilization of reactive anionic main group species utilizing carbenes constitutes a burgeoning and scarcely explored field. Herein, we report the synthesis of an anionic triphosphorus [P3]ˉ unit, supported by two cyclic (alkyl)(amino)carbenes (CAACs) in the form of potassium salts. This anion features a planar W-shaped conjugated C-P-P-P-C framework, characterized by 5-center-6-electron π delocalization and an additional σ lone pair located on each of the three phosphorus atoms. Remarkably, this anion is not only strongly basic and nucleophilic but also reductive, positioning versatile functionalization of the [P3] unit. This approach has advanced the isolation of unique carbene-supported cores, including [HP3], [P3N3R]−, [P3O]− and [P6], thus expanding the frontiers of phosphorus chemistry. Moreover, the addition of the two phosphorus fragments upon P-P bond cleavage of the [P3] unit to the triple bond of diphenylacetylene for the synthesis of an extended conjugated system was described.

Suggested Citation

  • Yanbo Mei & Xue-Yi He & Jiancheng Li & Mo Liu & Qiuming Liang & Chengbo Yang & Liu Leo Liu, 2025. "Carbene-supported triphosphorus anion," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57660-6
    DOI: 10.1038/s41467-025-57660-6
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