Table 1.
1H and 13C NMR data of compound 1.
| No | δH * (J in Hz) | δC * | δH # (J in Hz) | δC # |
|---|---|---|---|---|
| 1 | 1.81 (br d, 11.0) | 51.0 | 1.55 (br d, 11.0) | 50.7 |
| 2 | - | 72.9 | - | 70.7 |
| 3 | 1.99 (m) | 39.7 | 1.80 (m) | 40.1 |
| 1.90 (ddd, 14.0, 9.6, 4.3) | 1.74 (m) | |||
| 4 | 2.75 (ddd, 15.3, 9.6, 4.7) | 35.4 | 2.52 (m) | 34.6 |
| 2.53 (ddd, 15.3, 8.9, 4.3) | 2.35 (ddd, 15.8, 6.3, 4.3) | |||
| 5 | - | 213.5 | - | 209 |
| 6 | - | 77.5 | - | 76.2 |
| 7 | 1.72 (m) | 47.9 | 1.77 (m) | 44.1 |
| 8 | 1.98 (m) | 22.8 | 1.88 (m) | 22.4 |
| 1.62 (ddt, 13.8, 4.4, 2.3) | 1.41 (ddd, 13.0, 4.3, 2.0) | |||
| 9 | 1.49 (m) | 31.2 | 1.35 (ddt, 11.9, 4.9, 2.4) | 31.2 |
| 1.30 (m) | 1.21 (m) | |||
| 10 | 2.12 (m) | 29.1 | 2.04 (m) | 28.5 |
| 11 | 1.76 (m) | 26.5 | 1.68 (m) | 26.1 |
| 12 | 0.95 (d, 6.3) | 22.5 | 0.90 (d, 6.5) | 22.7 |
| 13 | 0.72 (d, 6.5) | 23.8 | 0.66 (d, 6.8) | 23.3 |
| 14 | 1.16 (d, 6.5) | 22.7 | 1.06 (d, 6.5) | 22.6 |
| 15 | 1.43 (s) | 25.5 | 1.26 (s) | 23.1 |
| OH-2 | - | - | 4.14 (br s) | - |
| OH-6 | - | - | 4.79 (br s) | - |
* measured in CDCl3; # measured in DMSO-d6.