Synthetic Communications p. 1 - 9 (2017)
Update date:2022-08-05
Topics: Cyclization solvent-free conditions Silica Gel Support Cerium(IV) Sulfate Tetrahydrate (Ce(SO4)2·4H2O) 2'-Amino and 2'-Hydroxychalcones
Liu, Ruihuan
Zhang, Yan
Xu, Kangping
Tan, Guishan
A simple, efficient, and environmentally friendly approach for the synthesis of flavones, aza-flavones, and aza-flavanones from corresponding 2′-hydroxy or 2′-aminochalcones has been developed. The reactions are successfully conducted in presence of silica-gel-supported Ce(SO4)2·4H2O under solvent-free conditions.
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