A sustainable method for converting alkynes into α-ketoesters is reported through K2S2O8-promoted oxidative C–C triple bond cleavage and esterification. This approach avoids transition metal catalysis, photocatalysts, and pure oxygen conditions, making it both efficient and more convenient.
J. Lan, Y. Shu, Y. Zhou, L. Shen, F. Meng and W. Yang, Org. Biomol. Chem., 2025, 23, 6943 DOI: 10.1039/D5OB00892A
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