Table 3. 1H-NMR (400 MHz) and 13C-NMR (100 MHz) spectral data of trans-asarone 3 in CDCl3.
| Position | 1H | 13C | ||
|---|---|---|---|---|
| δH (multiplicity, J in Hz) | δC | |||
| Experimental(CDCl3) | Reference [25](CDCl3) | Experimental(CDCl3) | Reference [25](CDCl3) | |
| 1 | - | - | 119.2 | 118.3 |
| 2 | 6.95 (s) | 6.91 (s) | 109.9 | 109.2 |
| 3 | - | - | 143.5 | 142.6 |
| 4 | - | - | 148.9 | 148.0 |
| 5 | 6.50 (s) | 6.45 (s) | 98.1 | 97.3 |
| 6 | 150.8 | 149.9 | ||
| 1’ | 6.66 (dq, 16.0, 1.8) | 6.64 (dq, 16.0, 1.5) | 125.2 | 124.4 |
| 2’ | 6.11 (dq, 16.0, 6.9) | 6.02 (dq, 16.0, 6.2) | 124.6 | 123.4 |
| 3’ | 1.89 (dd, 6.9, 1.8) | 1.87 (dd, 6.2, 1.5) | 19.0 | 18.7 |
| 3-OMe | 3.86 (s) | 3.81 (s) | 56.9 | 56.1 |
| 4-OMe | 3.89 (s) | 3.84 (s) | 56.3 | 55.1 |
| 6-OMe | 3.83 (s) | 3.77 (s) | 56.7 | 55.7 |