The synthesis of bis-lactone and butenolide derivatives was described using alkylidene Meldrum's acid as nucleophiles. The process operates in a triple cascade through an auto tandem catalysis promoted by DBU.
S. Wittmann, E. Deschamps, C. Bournaud, R. Guillot, J. Brière, G. Vo-Thanh and M. Toffano, Chem. Commun., 2024, 60, 9278 DOI: 10.1039/D4CC03029J
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