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Synthesis
DOI: 10.1055/a-2695-8185
Paper

Cu(acac)2 catalysed A3-(aldehyde-amine-alkyne) coupling reaction for the synthesis of a wide range of propargylamines and entry to imidazo[1,2-a]pyridines

Authors

  • Upendra Pappula

    1   Chemistry, Kazi Nazrul University, Asansol, India (Ringgold ID: RIN525262)

  • Venkata Prasad Kalyana

    1   Chemistry, Kazi Nazrul University, Asansol, India (Ringgold ID: RIN525262)

  • Ujjal Kanti Roy

    2   Department of Chemistry, Kazi Nazrul University, Bardhaman, India (Ringgold ID: RIN525262)
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Cu(acac)2-catalyzed A³-coupling reactions involving an amine, an aldehyde, and a terminal alkyne were explored for the efficient synthesis of a broad range of propargylamines and imidazo[1,2‑a] pyridines. This method demonstrates wide substrate scope and delivers the desired products in good yields under mild reaction conditions. The protocol offers a straightforward and practical approach to access these valuable scaffolds, making it attractive for further synthetic applications.



Publikationsverlauf

Eingereicht: 23. Juni 2025

Angenommen nach Revision: 04. September 2025

Accepted Manuscript online:
04. September 2025

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