Abstract:N-Aryl-5-arylamino-3-oxohex-4-enamides as 1,3-C,N-di-nucleophiles react regioselectively with 3-formyl or 3-methoxycarbonyl chromones in the presence of DMAP in MeCN to form 2-pyridones (34–43%) or chromeno[4,3-b]pyridine-2,5-diones (54–73%) bearing the amino enone moiety.
Citation:
D. L. Obydennov, A. I. El-Tantawy, M. Yu. Kornev, V. Ya. Sosnovskikh, “Reactions of carbamoylated amino enones with 3-substituted chromones for the preparation of 2-pyridones and chromeno[4,3-b]pyridine-2,5-diones”, Mendeleev Commun., 29:2 (2019), 234–236
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