Table 2.
13C and 1H chemical shifts assignments for the compound
| Position | 13C (400 MHz, DMSO-d6) | 1H (400 MHz, DMSO-d6) |
|---|---|---|
| 2 | 156.4 | |
| 3 | 133.2 | |
| 4 | 177.3 | |
| 5 | 156.6 | 12.62 (1H, s, 5-OH) |
| 6 | 98.6 | 6.19 (1H, d, J = 1.88) |
| 7 | 164.0 | |
| 8 | 93.6 | 6.41 (1H, d, J = 1.80) |
| 9 | 161.1 | |
| 10 | 103.9 | |
| 1' | 121.1 | |
| 2' | 115.2 | 7.53 (1H, d, J = 8.08) |
| 3' | 144.6 | |
| 4' | 148.3 | |
| 5' | 116.2 | 6.85 (1H, d, J = 7.84) |
| 6' | 121.6 | 7.55 (1H, d, J = 7.56) |
| 1G | 101.1 | 5.32 (1H, d, J = 7.44) |
| 2G | 73.9 | 3.08 (1H, d, J = 9.28) |
| 3G | 75.8 | 3.23 (1H, d, J = 6) |
| 4G | 69.9 | 3.26-3.36 (3H) |
| 5G | 76.3 | 3.21 (1H, d, J = 5.52) |
| 6G | 66.9 | 3.26-3.36 (3H) |
| 1R | 100.7 | 4.37 (1H, d, J = 7.6) |
| 2R | 70.3 | 3.04 (1H, d, J = 2.68) |
| 3R | 70.5 | 3.69 (1H, d, J = 10.4) |
| 4R | 71.8 | 3.26-3.36 (3H) |
| 5R | 68.2 | 3.39 (1H, d, J = 1.76) |
| 6R | 17.6 | 0.97 (3H, d, J = 6.12) |