3-Functionalized 2 (5H)-furanones are known to be contained in the composition of many biologically active compounds and are widely applied in the medicine, agriculture, perfumery, etc.[1]. Depending on the character of substituents the derivatives of 2 (5Н)- furanones exhibit various pharmacological actions [2–4]. In our previous publications we reported on the structure and the process of the formation of the corresponding substituted ...
