A simple and efficient synthesis of cyclopentadienones via palladium-catalyzed cyclocarbonylation of alkynes under atmospheric pressure of carbon monoxide has been developed. The transformation was carried out under mild and ligand-free conditions, a wide range of substrates and exceptional functional group tolerance.
![Graphical abstract: A convenient regioselective synthesis of cyclopentadienones via palladium-catalyzed [2+2+1] cyclocarbonylation of alkynes](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C3CC48308H&imageInfo.ImageIdentifier.Year=2014)
Y. Xu, J. Zhao, H. Chen, W. Wu and H. Jiang, Chem. Commun., 2014, 50, 2488 DOI: 10.1039/C3CC48308H
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