TABLE 3.
1H NMR and13C NMR data of compound 3 in MeOH (700 MHz).
| NO. | H | C |
|---|---|---|
| 1 | — | 126.4 |
| 2 | 7.66, d, J = 8.7 Hz | 130.5 |
| 3 | 6.87, d, J = 8.7 Hz | 115.6 |
| 4 | — | 160.4 |
| 5 | 6.87, d, J = 8.7 Hz | 115.6 |
| 6 | 7.66, d, J = 8.7 Hz | 130.5 |
| 1′ | — | 114.4 |
| 2′ | — | 162.4 |
| 3′ | — | 116.6 |
| 4′ | — | 163.4 |
| 5′ | 6.68, d, J = 9.1 Hz | 102.1 |
| 6′ | 8.05, d, J = 9.1 Hz | 129.6 |
| 1″ | 3.39, d, J = 6.7 Hz | 21.1 |
| 2″ | 5.26, t, J = 6.7 Hz | 123.0 |
| 3″ | — | 133.3 |
| 4″ | 2.69 m | 42.4 |
| 5″ | 5.58 m | 128.4 |
| 6″ | 5.59 m | 135.3 |
| 7″ | — | 81.1 |
| α | 7.69, d, J = 15.3 Hz | 117.0 |
| β | 7.84, d, J = 15.3 Hz | 144.6 |
| 3″-CH3 | 1.78 s | 14.9 |
| 7″-CH3 | 1.30 s | 29.4 |
| 7″-CH3 | 1.30 s | 29.4 |
| 4′-OCH3 | 3.94 s | 55.0 |
| C=O | — | 192.8 |