Evaluation Of Differences Between Extracted And Synthesized Compounds On The Juglone Example
Figure 2: (a) 1H-NMR spectrum of the chloroform extract from Juglans mandshurica, CDCl3 (Bruker, 300 MHz); (b) 1H-NMR spectrum of synthesized juglone (5-hydroxy-1,4-naphthoquinone), CDCl3 (Bruker, 300 MHz)
![(a) 1H-NMR spectrum of the chloroform extract from Juglans mandshurica, CDCl3 (Bruker, 300 MHz); (b) 1H-NMR spectrum of synthesized juglone (5-hydroxy-1,4-naphthoquinone), CDCl3 (Bruker, 300 MHz)](https://www.europeanproceedings.com/files/data/article/10080/16589/AmurCon2021F028.fig.002.jpg)