Table 5 1H-NMR and 13C-NMR of compound 4
Compound 4 | Gallic acid, Chanwitheesuk et al. [38] | |||
|---|---|---|---|---|
Positions | δc (CD3OD, 100 MHz) | δH (mult; J) (CD3OD, 400 MHz) | δc (acétone-d6, 100 MHz) | δH (mult; J) (acétone-d6, 400 MHz) |
1 | 168.8 | – | 167.3 | – |
2 | 120.7 | – | 120.8 | – |
3/7 | 108.0 | 7.08 (2H; s) | 109.1 | 7.15 (2H; s) |
4/6 | 145.0 | – | 144.9 |  |
5 | 138.1 | – | 137.7 |  |