Table 1 1H and 13C NMR data for Sominone A (3) in CDCl3 (δ) [ppm] (Multiplicity, J [Hz])
No | δH | δc |
|---|---|---|
1 | 3.83 (t, W1/2 = 5.0 Hz, 1H) | 73.0 |
2 | 2.08 (m, 1H) 1.73 (td, J = 13.4, 1.6 Hz, 1H) | 38.4 |
3 | 3.97 (m, 1H) | 66.5 |
4 | 2.37 (m, 1H) 2.30 (m, 1H) | 41.5 |
5 | – | 137.6 |
6 | 5.57 (d, J = 5.0 Hz, 1H) | 125.5 |
7 | 2.19 (m, 1H) 1.61 (m,1H) | 31.8 |
8 | 1.49 (m, 1H) | 31.4 |
9 | 1.58 (m, 1H) | 41.6 |
10 | – | 41.8 |
11 | 1.49 (m, 2H) | 20.3 |
12 | 2.02 (m, 1H) 1.30 (m, 1H) | 39.9 |
13 | – | 43.1 |
14 | 1.06 (m, 1H) | 56.9 |
15 | 1.65 (m, 1H) 1.18 (dd, J = 11.1, 4.3 Hz, 1H) | 24.0 |
16 | 1.95 (m, 1H) 1.53 (d, J = 4.7 Hz, 1H) | 22.1 |
17 | 1.53 (d, J = 4.7 Hz, 1H) | 54.8 |
18 | 0.86 (s, 3H) | 13.8 |
19 | 1.02 (s, 3H) | 19.6 |
20 | – | 75.3 |
21 | 1.28 (s, 3H) | 20.9 |
22 | 4.28 (dd, J = 13.3, 3.3 Hz, 1H) | 81.5 |
23 | 2.53 (dd, J = 17.1, 13.4 Hz, 1H) 1.98 (m, 1H) | 31.8 |
24 | – | 153.3 |
25 | – | 125.8 |
26 | – | 166.3 |
27 | 4.39 (d, J = 12.5 Hz, 1H) 4.33 (d, J = 12.5 Hz, 1H) | 57.4 |
28 | 2.06 (s, 3H) | 20.2 |