2(5H)-Furanone and 5-Hydroxy-2(5H)-furanone: Reactions and Syntheses Based on Them

This review summarizes the data on 2(5H)-furanone, 5-hydroxy-2(5H)-furanone, and some substituted hydrofuranones with respect to their poorly studied or unexplored reactions and synthesis of functionally substituted hydrofuranones on their basis, promising for organic synthesis and chemistry of biologically active compounds.