Table 2.
1H and 13C NMR data (600 MHz and 150 MHz, CDCl3) for compounds 5 and 9
| 5 | 9 | |||
|---|---|---|---|---|
|
|
||||
| δH (m, J Hz) | δ C | δH(m, J Hz) | δ C | |
| 1 | - | 202.6 | - | 202.5 |
| 2a | 2.73 (dd, 17.0, 12.6) | 45.8 | 2.72 (dd, 17.0, 12.3) | 45.7 |
| 2b | 2.81 (dd, 17.1, 3.4) | - | 2.81 (dd, 17.1, 3.4) | - |
| 3 | 3.30 (m) | 40.2 | 3.24 (m) | 40.1 |
| 4 | 3.01 (m) | 38.7 | 3.00 (m) | 38.1 |
| 5 | 6.23 (s) | 101.8 | 6.25 (brs) | 107.2 |
| 6 | - | 167.2 | - | 166.3 |
| 7 | - | 111.8 | 6.28 (d, 2.1) | 99.1 |
| 8 | - | 160.8 | - | 165.9 |
| 9 | - | 110.9 | - | 111.3 |
| 10 | - | 147.5 | - | 146.3 |
| 1' | - | 135.6 | - | 136.5 |
| 2' | 7.12 (d, 8.4) | 128.8 | 6.77 (d, 1.7) | 114.0 |
| 3' | 6.79 (d, 8.4) | 115.7 | - | 146.3 |
| 4' | - | 154.6 | - | 142.5 |
| 5' | 6.79 (d, 8.4) | 115.7 | 6.81 (d, 8.1) | 115.8 |
| 6' | 7.12 (d, 8.4) | 128.8 | 6.66 (dd, 8.1, 1.7) | 119.2 |
| 2” | 5.26 (t, 8.2) | 88.1 | - | - |
| 3”a | 2.94 (dd, 15.4, 7.6) | 30.9 | - | - |
| 3”b | 3.28 (dd, 15.6, 10.0) | - | - | - |
| 1”'a | 4.90 (brs) | 112.8 | - | - |
| 1”'b | 5.05 (brs) | - | - | - |
| 2”' | - | 143.4 | - | - |
| 3”' | 1.74 (s) | 17.2 | - | - |
| OMe | - | - | 3.81 (s) | 55.7 |