Synthesis of 3‑Substituted 2‑Aminochromones via Sn(IV)-Promoted Annulation of Ynamides with 2‑Methoxyaroyl Chlorides
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A Sn(IV)-promoted annulation reaction of ynamides is described for the efficient synthesis of 3-substituted 2-aminochromones under mild conditions. This novel method allows for a concomitant construction of C–C and C–O bonds between ynamides and 2-methoxyaroyl chlorides by a tandem Friedel–Crafts acylation/oxo-Michael addition/elimination strategy.
创建时间：
2016-02-13
