Table 2.
1H and 13C NMR data of compound 2.
| No | δH * (J in Hz) | δC * | δH # (J in Hz) | δC # |
|---|---|---|---|---|
| 1 | 2.22 (d, 4.4) | 48.6 | 1.85 (m) | 48.5 |
| 2 | - | 71.9 | - | 70.0 |
| 3 | 2.01 (m) | 40.6 | 1.75 (m) | 40.7 |
| 1.90 (m) | 1.70 (m) | |||
| 4 | 2.66 (ddd, 18.2, 8.3, 4.5) | 35.9 | 2.52 (m) | 35.2 |
| 2.60 (m) | 2.33 (ddd, 18.1, 5.7, 3.0) | |||
| 5 | - | 215.3 | - | 210.3 |
| 6 | - | 79.8 | - | 78.0 |
| 7 | 1.59 (m) | 50.8 | 1.73 (m) | 46.5 |
| 8 | 2.16 (tt, 14.2, 4.2) | 19.4 | 2.06 (m) | 18.9 |
| 1.53 (m) | 1.36 (m) | |||
| 9 | 1.82 (m) | 30.2 | 1.76 (m) | 29.9 |
| 1.36 (dq, 13.6, 3.4) | 1.20 (m) | |||
| 10 | 2.44 (m) | 28.4 | 2.39 (m) | 27.7 |
| 11 | 1.80 (m) | 26.7 | 1.74 (m) | 26.4 |
| 12 | 0.96 (d, 6.6) | 22.3 | 0.90 (d, 6.0) | 22.8 |
| 13 | 0.71 (d, 6.7) | 24.2 | 0.64 (d, 6.2) | 23.7 |
| 14 | 1.31 (d, 7.3) | 18.5 | 1.25 (d, 7.2) | 19.0 |
| 15 | 1.50 (s) | 26.1 | 1.40 (s) | 24.9 |
| OH-2 | - | - | 4.37 (s) | - |
| OH-6 | - | - | 4.64 (d, 1.9) | - |
* measured in CDCl3; # measured in DMSO-d6.