The nickel-catalyzed synthesis of pyranone derivatives from β-ketoesters and alkynes has been reported. This reaction showcases remarkable versatility as it can incorporate a wide range of β-ketoesters and demonstrates the capacity to tolerate numerous functional groups and complex molecular structures.
![Graphical abstract: Nickel-catalyzed [4+2] cycloadditions of β-ketoesters and alkynes](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D5CC04128G&imageInfo.ImageIdentifier.Year=2025)
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T. Ni, X. Xu, W. Li, S. Li, H. Sheng and X. Zhang, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC04128G
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