Table 2.
1H- and 13C-NMR data (MeOH-d4 + 0.1% trifluoroacetic acid, 500/125 MHz, 30 °C) for compound 22.
| Position. | δH (J in Hz) | δC, Type |
|---|---|---|
| 2 | 159.0, C | |
| 3 | 134.7, C | |
| 4 | 179.4, C | |
| 5 | 163.1, C | |
| 6 | 6.20 d (2.0) | 99.9, CH |
| 7 | 165.9, C | |
| 8 | 6.39 d (2.0) | 94.8, CH |
| 9 | 158.5, C | |
| 10 | 105.8, C | |
| 1′ | 122.7, C | |
| 2′/6′ | 8.02 d (8.5) | 132.3, CH |
| 3′/5′ | 6.90 d (8.5) | 116.3, CH |
| 4′ | 161.5, C | |
| 1′’ | 5.56 d (7.4) | 101.1, CH |
| 2′’ | 3.81 dd (9.0, 7.4) | 81.9, CH |
| 3′’ | 3.67 t (9.0) | 77.3, CH |
| 4′’ | 3.64 t (9.0) | 72.6, CH |
| 5′’ | 3.76 d (9.0) | 76.8, CH |
| 6′’ | 171.7, C | |
| 1′’’ | 4.75 d (7.3) | 104.6, CH |
| 2′’’ | 3.35 dd (9.5, 7.3) | 75.5, CH |
| 3′’’ | 3.38 overlap | 77.9, CH |
| 4′’’ | 3.37 overlap | 71.3, CH |
| 5′’’ | 3.28 ddd (8.4, 5.0, 2.2) | 78.2, CH |
| 6′’’ | 3.78 dd (12.0, 2.2)3.68 dd (12.0, 5.0) | 62.6, CH2 |