Table 2.
The 1H-NMR (400 MHz) and 13C-NMR (100 MHz) data of 2 (in DMSO-d6).
| No. | 2 | ||||
|---|---|---|---|---|---|
| δC, Mult | δH, Mult, (J in Hz) | 1H-1H COSY | HMBC | ROESY | |
| 1 | 21.9, CH3 | 2.41, br s | 3, 15 | 2, 3, 15 | |
| 2 | 148.8, qC | ||||
| 3 | 107.2, CH | 6.88, br s | 1, 15 | 1, 4, 13, 15 | |
| 4 | 155.2, qC | ||||
| 5 | 168.8, qC | ||||
| 6 | 136.5, qC | ||||
| 7 | 111.8, CH | 6.99, d, (2.4) | 9 | 5, 8, 9, 11 | 8-OCH3 |
| 8 | 164.8, qC | ||||
| 9 | 101.2, CH | 7.20, d, (2.4) | 7 | 7, 8, 10, 11 | 8-OCH3 |
| 10 | 157.6, qC | ||||
| 11 | 109.7, qC | ||||
| 12 | 179.2, qC | ||||
| 13 | 105.9, qC | ||||
| 14 | 160.5, qC | ||||
| 15 | 111.2, CH | 6.67, br s | 1, 3 | 1, 3, 13, 14 | |
| 8-OCH3 | 56.6, CH3 | 3.96, s | 8 | 7, 9 | |
| 5-OH * | 13.23, br s | ||||
| 14-OH * | 12.33, br s | ||||
*: The assignment maybe exchanged.