Table 3.
1H- and 13C-NMR spectroscopic data for compound 5 (DMSO-d6).
| Carbon NO. | 1H | 13C |
|---|---|---|
| 2 | - | 166.8 |
| 3 | 5.85 (d, 9.2) | 111.7 |
| 4 | 7.68 (d, 9.2) | 144.7 |
| 4a | - | 110.6 |
| 5 | 7.24 (s) | 114.7 |
| 6 | - | 151.1 |
| 7 | - | 143.2 |
| 8 | 6.74 (s) | 103.7 |
| 8a | - | 146.1 |
| 1′ | 4.81 (d, 7.2) | 102.3 |
| 2′ | 3.34–3.50 (m) | 73.6 |
| 3′ | 3.34–3.50 (m) | 76.3 |
| 4′ | 3.34–3.50 (m) | 70.5 |
| 5′ | 3.68 (m) | 74.5 |
| 6′ | 4.45 (dd, 12.0, 1.6), 4.24 (dd, 12.0, 7.2) | 63.8 |
| 1” | - | 125.9 |
| 2” | 7.06 (d, 1.6) | 115.4 |
| 3” | - | 146.1 |
| 4” | - | 149.0 |
| 5” | 6.77 (d, 8.0) | 116.2 |
| 6” | 6.99 (dd, 8.0, 1.6) | 121.9 |
| 7” | 7.49 (d, 16.0) | 145.8 |
| 8” | 6.32 (d, 16.0) | 114.3 |
| 9” | - | 166.8 |