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Catalytic transformation of carbon dioxide into seven-membered heterocycles and their domino transformation into bicyclic oxazolidinones

Author

Listed:
  • Wangyu Shi

    (Institute of Chemical Research of Catalonia (ICIQ-Cerca)
    C/Marcel·lí Domingo s/n)

  • Jordi Benet-Buchholz

    (Institute of Chemical Research of Catalonia (ICIQ-Cerca))

  • Arjan W. Kleij

    (Institute of Chemical Research of Catalonia (ICIQ-Cerca)
    Catalan Institute of Research and Advanced Studies (ICREA))

Abstract

Converting carbon dioxide (CO2) into valuable heterocycles is of great synthetic value but is usually limited to five- and six-membered ring compounds. Here, we report a catalytic approach for transforming this carbon renewable into seven-membered heterocycles using a double-stage approach, combining a silver-catalyzed alkyne/CO2 coupling and a subsequent base-catalyzed ring-expansion. This methodology avoids the formation of thermodynamically more stable, smaller-ring by-products and has good functional group tolerance. The synthetic application of these larger-ring cyclic carbonates is further demonstrated by showing their unique ability to serve as synthons for the preparation of bicyclic oxazolidinone pharmacores through an intramolecular domino sequence that involves a transient ketimine group, and various other intermolecular transformations. The results described herein significantly expand on the use of CO2 as a cheap and versatile carbon feedstock generating elusive heterocycles and pharmaceutically relevant compounds.

Suggested Citation

  • Wangyu Shi & Jordi Benet-Buchholz & Arjan W. Kleij, 2025. "Catalytic transformation of carbon dioxide into seven-membered heterocycles and their domino transformation into bicyclic oxazolidinones," Nature Communications, Nature, vol. 16(1), pages 1-11, December.
  • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-56681-5
    DOI: 10.1038/s41467-025-56681-5
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    References listed on IDEAS

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    1. Qiang Liu & Lipeng Wu & Ralf Jackstell & Matthias Beller, 2015. "Using carbon dioxide as a building block in organic synthesis," Nature Communications, Nature, vol. 6(1), pages 1-15, May.
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