Table 2.
1H NMR Data (500 MHz, δ in ppm, J in Hz) and 13C NMR Data (125 MHz, δ in ppm) for 2.
| 2 (CD3OD) |
2 (DMSO-d6) |
|||
|---|---|---|---|---|
| Position | δC, type | δH (J in Hz) | δC, type | δH (J in Hz) |
| 1 | 73.9 | 71.7 | ||
| 2 | 171.7 | 168.3 | ||
| 3 | 71.2 | 4.12 (dd, J = 5.0, 3.0 Hz) | 69.7 | 4.06 (dd, J = 6.0, 3.0 Hz) |
| 4 | 204.2 | 203.8 | ||
| 5 | 68.1 | 4.08 (m) | 65.8 | 3.94 (m) |
| 6 | 58.5 | 2.64 (brd, J = 11.5 Hz) | 57.3 | 2.45 (dd, J = 11.5, 9.5 Hz) |
| 7 | 47.1 | 2.67 (brd, J = 11.5 Hz) | 45.2 | 2.59 (dd, J = 11.5, 5.0 Hz) |
| 8 | 126.4 | 5.87 (m) | 125.5 | 5.82 (m) |
| 9 | 133.6 | 5.58 (d, J = 10.0 Hz) | 131.8 | 5.53 (brd, J = 10.0 Hz) |
| 10 | 38.2 | 1.86 (brd, J = 12.0 Hz) | 36.2 | 1.80 (brd, J = 11.0 Hz) |
| 11 | 42.9 | 1.89 (brd, J = 12.0 Hz) | 41.2 | 1.85 (brd, J = 11.0 Hz) |
| 0.83 (m) | 0.74 (m) | |||
| 12 | 34.1 | 1.48 (m) | 32.1 | 1.46 (m) |
| 13 | 36.4 | 1.74 (m) | 34.8 | 1.72 (brd, J = 12.5 Hz) |
| 0.90 (m) | 0.79 (m) | |||
| 14 | 26.5 | 1.32 (m) | 24.8 | 1.24 (m) |
| 1.11 (m) | 1.03 (m) | |||
| 15 | 39.0 | 1.52 (dt, J = 10.5, 2.0 Hz) | 37.2 | 1.39 (dt, J = 12.0, 2.0 Hz) |
| 16 | 55.6 | 53.5 | ||
| 17 | 210.6 | 210.1 | ||
| 18 | 61.5 | 3.93 (dd, J = 12.0, 3.5 Hz) | 61.3 | 3.75 (m) |
| 3.83 (dd, J = 12.0, 4.5 Hz) | 3.61 (m) | |||
| 19 | 28.6 | 3.11 (s) | 23.8 | 1.15 (d, J = 6.5 Hz) |
| 20 | 24.1 | 1.26 (d, J = 6.5 Hz) | 28.1 | 2.99 (s) |
| 21 | 22.7 | 0.93 (d, J = 6.5 Hz) | 22.2 | 0.87 (d, J = 9.0 Hz) |
| 22 | 15.4 | 0.98 (s) | 14.8 | 0.86 (s) |
| 5-OH | 4.98 (d, J = 5.0 Hz) | |||
| 18-OH | 4.94 (m) | |||