Table 1.
1H-NMR (600 MHz) and 13C-NMR (150 MHz) data of compound 1 in CD3OD.
| Position | δH (J in Hz) | δC | HMBC (H → C) |
|---|---|---|---|
| 2 | 158.5 | ||
| 3 | 134.0 | ||
| 4 | 178.1 | ||
| 5 | 161.6 | ||
| 6 | 6.52 d (1.8) | 99.2 | C-5, C-7, C-8 |
| 7 | 162.2 | ||
| 8 | 6.79 d (1.8) | 94.2 | C-7, C-10, C-6 |
| 9 | 156.7 | ||
| 10 | 106.2 | ||
| 1′ | 120.8 | ||
| 2′ | 7.82 d (8.4) | 130.6 | C-1′, C-3′/5′, C-4′ |
| 3′ | 7.00 d (8.4) | 115.3 | C-1′, C-2′/6′, C-4′ |
| 4′ | 160.6 | ||
| 5′ | 7.00 d (8.4) | 115.3 | C-1′, C-2′/6′, C-4′ |
| 6′ | 7.82 d (8.4) | 130.6 | C-1′, C-3′/5′, C-4′ |
| 1′′ | 5.64 d (1.2) | 100.5 | C-3, C-2′′ |
| 2′′ | 4.36 m | 67.7 | C-1′′, C-3′′ |
| 3′′ | 5.18 dd (10.2 3.0) | 71.3 | C-4′′, 3′′-COCH3 |
| 4′′ | 5.05 t (10.2) | 70.3 | C-5′′, 4′′-COCH3 |
| 5′′ | 3.78 m | 68.3 | C-4′′, C-6′′ |
| 6′′ | 0.84 d(6.0) | 16.1 | C-4′′, C-5′′ |
| 1′′′ | 5.58 m | 98.5 | C-7, C-2′′ |
| 2′′′ | 4.24 m | 73.3 | C-1′′′, C-3′′′, |
| 3′′′ | 4.06 dd (9.6 3.0) | 70.4 | C-2′′′, C-4′′′ |
| 4′′′ | 4.78 t (9.6) | 73.3 | C-3′′′, 4′′′-COCH3 |
| 5′′′ | 3.33 m | 69.9 | C-4′′′, C-6′′′ |
| 6′′′ | 1.17 d (6.0) | 16.7 | C-5′′′ |
| 3′′-COCH3 | 170.7 | ||
| 3′′-COCH3 | 2.10 s | 19.4 | 3′′-COCH3 |
| 4′′-COCH3 | 170.3 | ||
| 4′′-COCH3 | 2.00 s | 19.2 | 4′′-COCH3 |
| 4′′′-COCH3 | 170.9 | ||
| 4′′′-COCH3 | 1.96 s | 19.5 | 4′′′-COCH3 |