Table 3.
1H-NMR spectroscopy data of 2, 3 and 5 (CDCl3, 600 MHz).
| Position | δH (J in Hz) 2 |
δH (J in Hz) 3 |
δH (J in Hz) 5 |
|---|---|---|---|
|
1a
1b |
4.43 (s, br) | 1.64 (m) 1.61(m) |
4.43 (d, br, 1.9) |
|
2a
2b |
2.49(ddd, 3.2, 5.7, 18.5) 2.44 (dd, 3.8, 18.5) |
2.31 (m) 2.17 (m) |
2.46 (m) 2.46 (m) |
| 3 | 6.57 (dd, 1.92, 6.41) | 5.76 (dd, 3.6) | 6.57 (dd, 2.6, 6.6) |
| 4 | - | - | - |
| 5 | - | - | - |
|
6a
6b |
1.26 (ddd, 1.9, 3.8, 12.8) 1.9 (dd, 3.8, 12.8) |
1.16 (dd, 7.3, 12.8) 2.27 (dd, 12.84, 17.6) |
1.25 (m) 1.95 (dd, 1.9, 13.2) |
|
7a
7b |
1.59 (dddd, 1.9, 3.8, 4.4, 12.8) 1.66 (m) |
1.52 (dd, 5.5, 11.3) 1.46 (ddd, 2.9, 9.9, 11.7) |
1.6 (m) 1.63 (m) |
| 8 | 1.67 (m) | 1.63 (m) | 1.63 (m) |
| 9 | - | - | - |
| 10 | 1.79 (s, br) | 1.53 (m) | 1.72 (s, br) |
|
11a
11b |
1.82 (ddd, 4.4, 7.6, 12.1) 1.75 (dd, 5.1, 12.8) |
1.52 (m) 1.63 (m) |
1.85 (ddd, 3.9, 9.2, 13.2) 1.62 (m) |
|
12a
12b |
2.43 (ddd, 5, 14, 17.9) 2.12 (ddd, 4.4, 13.4, 17.9) |
2.29(m) 2.17 (m) |
2.29 (ddd, 2.65, 4.64, 13.93) 1.98 (m) |
| 13 | - | - | - |
| 14 | 6.28 (s, br) | 6.25 (s, br) | 7.1 (s, br) |
|
15a
15b |
7.37 (t, 1.9) | 7.35 (s, br) | 4.8 (s, br) 4.8 (s, br) |
| 16 | 7.24 (s, br) | 7.20 (s) | - |
| 17 | 0.86 (d, 6.4) | 0.87 (d, 6.6) | 0.84 (d, 6.6) |
|
18a
18b |
-- | 4.21 (d,11.3) 3.84 (d, 11.3) |
-- |
|
19a
19b |
4.63 (dd, 2.56, 7.69) 4.33 (d, 7.69) |
3.98 (d, 10.6) 3.66 (d, 10.6) |
4.68 (dd, 1.9, 7.3) 4.3 (d, 7.9) |
| 20 | 0.89 (s) | 0.79 (s) | 0.9 (s) |