Organic Letters p. 5071 - 5075 (2021)
Update date:2022-08-04
Topics:
Sacchelli, Bruce A. L.
Rocha, Bianca C.
Andrade, Leandro H.
An ultrafast (10 s) methodology to construct novel highly functionalized 2-quinolinones fromN-(o-ethynylaryl)acrylamides (1,7-enynes) is described for the first time. Microwave irradiation enabled the ultrafast synthesis of 2-quinolinone-fused γ-lactones from Fenton’s reagents in formamide. After six key consecutive reactions, including a diastereoselective step, 2-quinolinone-fused γ-lactones were obtained in good overall yield (up to 46%; 10 s).
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