Table 1.
1H-NMR (500MHz) and 13C-NMR (126 MHz) spectroscopic data in pyridine-d5 (δ in ppm, J in Hz).
Atom numbering as indicated in the text.
| Position | δ (H) | δ (C) | Position | δ (H) | δ (C) |
|---|---|---|---|---|---|
| 1α | 1.74 (m) | 43.6 | 17 | 53.3 | |
| 1β | 2.05 (m) | 18 | 3.12 (dd, J = 13.7, 3.5) | 35.4 | |
| 2 | 4.45 (dt, J = 11.0, 3.1) | 66.8 | 19α | 1.05 (m) | 36.2 |
| 3 | 4.57 (d, J = 2.3) | 74.6 | 19β | 0.79 (dd, J = 12.9, 3.5) | |
| 4 | 45.6 | 20 | 29.5 | ||
| 5 | 1.77 (m) | 50.0 | 21α | 1.32 (dt, J = 13.8, 3.8) | 34.8 |
| 6α | 1.71 (m) | 19.4 | 21β | 1.44 (m) | |
| 6β | 1.48 (m) | 22α | 1.60 (m) | 31.6 | |
| 7α | 1.52 (m) | 39.9 | 22β | 2.08 (m) | |
| 7β | 1.92 (m) | 23 | 1.63 (s) | 24.2 | |
| 8 | 38.0 | 24 | 4.11 (d, J = 10.9) | 65.7 | |
| 9 | 1.13 (dd, J = 13.1, 4.2) | 48.7 | 3.82 (d, J = 10.9) | ||
| 10 | 39.1 | 25 | 1.04 (s) | 18.4 | |
| 11α | 1.97 (dd, J = 13.1, 3.5) | 20.1 | 26 | 1.17 (s) | 23.2 |
| 11β | 1.86 (m) | 27 | 0.01 (t, J = 4.8) | 12.1 | |
| 12 | 1.17 (m) | 15.5 | 1.00 (dd, J = 9.3, 4.8) | ||
| 13 | 24.3 | 28 | 180.3 | ||
| 14 | 157.0 | 29 | 0.97 (s) | 33.0 | |
| 15 | 5.87 (dd, J = 7.3, 3.7) | 118.8 | 30 | 1.08 (s) | 30.0 |
| 16α | 2.12 (m) | 33.5 | |||
| 16β | 2.83 (dd, J = 13.0, 7.3) |