Abstract
A new series of heterocyclic systems, including azole, azolopyrimidine, and pyridopyrimidine derivatives, attached to 2H-chromene scaffold, was prepared by a convenient procedure through the reactions of (E)-2-dimethylamino-methylene chromanone with different nitrogen binucleophiles. Various substituted chromeno[4,3-b]pyridine derivatives were also prepared through the reactions of (E)-2-dimethylaminomethylene chromanone with a series of active methylene compounds.
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Ali, K.A., Abdelhafez, N.A.A., Ragab, E.A. et al. Design and synthesis of novel fused heterocycles using 4-chromanone as synthon. Russ J Gen Chem 85, 2853–2860 (2015). https://doi.org/10.1134/S107036321512035X
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DOI: https://doi.org/10.1134/S107036321512035X