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Carbon dioxide capture and functionalization by bis(N-heterocyclic carbene)-borylene complexes

Author

Listed:
  • Jun Fan

    (Nanyang Technological University)

  • An-Ping Koh

    (Nanyang Technological University)

  • Chi-Shiun Wu

    (National Chiayi University)

  • Ming-Der Su

    (National Chiayi University
    Kaohsiung Medical University)

  • Cheuk-Wai So

    (Nanyang Technological University)

Abstract

Derivatives of free monocoordinated borylenes have attracted considerable interest due to their ability to exhibit transition-metal-like reactivity, in particular small molecules capture. However, such complexes are rare as the formation is either endergonic, or the resulting adduct is a transient intermediate that is prone to reaction. Here, we present the synthesis of two bis(N-heterocyclic carbene)-borylene complexes capable of capturing and functionalizing carbon dioxide. The capture and subsequent functionalization of CO2 by the bis(NHC)-disilylamidoborylene 1 is demonstrated by the formation of the bis(NHC)-isocyanatoborylene-carbon dioxide complex 3. Reversible capture of CO2 is observed using the bis(NHC)-mesitylborylene 2, and the persistent bis(NHC)-mesitylborylene-carbon dioxide adduct 4 can be stabilized by hydrogen bonding with boric acid. The reactions of 4 with ammonia-borane and aniline demonstrate that the captured CO2 can be further functionalized.

Suggested Citation

  • Jun Fan & An-Ping Koh & Chi-Shiun Wu & Ming-Der Su & Cheuk-Wai So, 2024. "Carbon dioxide capture and functionalization by bis(N-heterocyclic carbene)-borylene complexes," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47381-7
    DOI: 10.1038/s41467-024-47381-7
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    References listed on IDEAS

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    1. Holger Braunschweig & Rian D. Dewhurst & Florian Hupp & Marco Nutz & Krzysztof Radacki & Christopher W. Tate & Alfredo Vargas & Qing Ye, 2015. "Multiple complexation of CO and related ligands to a main-group element," Nature, Nature, vol. 522(7556), pages 327-330, June.
    2. Di Wu & Lingbing Kong & Yongxin Li & Rakesh Ganguly & Rei Kinjo, 2015. "1,3,2,5-Diazadiborinine featuring nucleophilic and electrophilic boron centres," Nature Communications, Nature, vol. 6(1), pages 1-6, November.
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