Drozdov K.A., Sabutskiy Yu.E., Vshivkova T.S.
Вестник Приамурского государственного университета им. Шолом-Алейхема 2021; 4(45): 60-68
There is an opinion that the biological activity of chemical compounds isolated from natural raw materials and synthesized analogues of natural compounds, may differ. This assumption is poorly supported by serious scientific research. In our work, we compared solutions of synthetic juglon in chloroform (5-hydroxy-1,4-naphthoquinone) and chloroform extract of Manchurian walnut pericarp ( Juglans mandshurica Maxim. (1856) using the nuclear magnetic resonance (NMR) method to identify possible differences. The results showed that the synthesized Juglone and the Manchurian nut pericarp extract contain different forms of 5-hydroxy-1,4-naphthoquinone.
