TABLE 2.
1H NMR and 13C NMR data of compounds 2 and 3 in DMSO-d6.
|
2 |
3 |
|||
| No | δC | δH (J in Hz) | δC | δH (J in Hz) |
| 1 | 201.0 | 200.5 | ||
| 2 | 53.9 | 2.99, d (14.4) | 53.9 | 2.74, s |
| 2.62, d (14.4) | ||||
| 3 | 71.4 | 69.8 | ||
| 4 | 43.1 | 2.91, d (16.3) | 43.4 | 2.92, d (16.0) |
| 3.08, d (16.3) | 3.02, d (16.0) | |||
| 4a | 133.4 | 133.4 | ||
| 5 | 131.0 | 7.13, d (8.4) | 131.2 | 7.15, d (8.4) |
| 6 | 121.2 | 6.85, overlapped | 121.3 | 6.85, d (8.4) |
| 6a | 155.6 | 155.8 | ||
| 7 | 168.7 | 168.7 | ||
| 7a | 114.0 | 113.8 | ||
| 8 | 157.4 | 157.4 | ||
| 9 | 110.7 | 7.05, d (8.3) | 110.6 | 7.05, d (8.3) |
| 10 | 135.8 | 7.57, t (7.9) | 135.8 | 7.55, overlapped |
| 11 | 114.2 | 6.84, overlapped | 114.2 | 6.80, d (7.5) |
| 11a | 152.6 | 152.8 | ||
| 12 | 75.7 | 7.39, s | 75.5 | 7.55, overlapped |
| 12a | 121.3 | 121.4 | ||
| 12b | 132.7 | 132.2 | ||
| 13 | 29.6 | 1.31, s | 28.8 | 1.27, s |
| 14 | 55.7 | 3.90, s | 55.7 | 3.90, s |
| OH-3 | 4.86, brs | 4.88, brs | ||
| OH-7 | 9.61, brs | 9.66, brs | ||