Table 1.
1H and 13C NMR spectroscopic data for compound 1 (CD3OD, 600, 150 MHz).
| Position | δH (J in Hz) | δC | Position | δH (J in Hz) | δC |
|---|---|---|---|---|---|
| 1 | Eq.1.32, m ax.1.67, m | 33.2 | 22 | 0.80, m | 30.0 |
| 2 | Eq. 2.10, m ax.1.62, m | 30.4 | 23 | 0.75, m, 0.93, m | 15.9 |
| 3 | 3.31, dd (9.0, 4.2) | 90.7 | 24 | 2.13, m | 32.4 |
| 4 | – | 42.2 | 25 | – | 212.2 |
| 5 | 1.39, dd (3.6, 12.6) | 49.0 | 26 | 2.24, s | 29.9 |
| 6 | 0.84, 1.68, m | 22.1 | 28 | 1.11, s | 25.9 |
| 7 | 0.95, 1.27, m | 27.5 | 29 | 0.90, s | 15.5 |
| 8 | 1.42, m | 51.2 | 30 | 1.46, s | 23.6 |
| 9 | – | 20.1 | G-1 | 4.48, d (6.6) | 105.3 |
| 10 | – | 27.2 | 2 | 3.60, m | 81.4 |
| 11 | β 1.74, dd (15.6, 9.0) α 2.13, dd (15.0, 6.0) |
40.9 | 3 | 3.27, m | 78.5 |
| 12 | 4.20, t (7.8) | 76.6 | 4 | 3.23, m | 71.9 |
| 13 | – | 52.9 | 5 | 3.59, m | 78.3 |
| 14 | – | 48.1 | 6 | 3.65, 3.88, m | 63.1 |
| 15 | β 1.50, dd (3.6, 13.8) α 1.95, dd (9.6, 13.2) |
49.7 | G'-1 | 4.70, d (7.8) | 104.7 |
| 16 | 4.32, br d (8.4) | 77.0 | 2 | 3.25, m | 76.3 |
| 17 | – | 87.2 | 3 | 3.40, m | 77.9 |
| 18 | 1.04, s | 20.9 | 4 | 3.34, m | 71.6 |
| 19 | 0.48, d (4.2) 0.54, d (4.2) | 30.7 | 5 | 3.32, m | 77.7 |
| 20 | 1.28, m | 45.9 | 6 | 3.65, 3.88, m | 62.9 |
| 21 | 1.18, d (6.6) | 15.2 |