Table 3.
1H- and 13C-NMR (in CDCl3, Bruker Model AM 400 MHz for 1H and 100 MHz for 13C) assignments for compound 2 (nootkatol). s = singlet, d = doublet, t = triplet, m = multiplet.
| Carbon | 13C | 1H |
|---|---|---|
| 1 | 124.7 | 5.32, 1H, d, J = 1.6 Hz |
| 2 | 68.4 | 4.25, 1H, m |
| 3 | 37.6 | (a) 1.76, 1H, td, J = 2.0, 6.5 Hz |
| (b) 1.37, 1H, td, J = 12.4, 10.0 Hz | ||
| 4 | 39.7 | 1.51, 1H, br d, J = 2.1 Hz |
| 5 | 38.6 | — |
| 6 | 45.0 | (a) 1.85, 1H, dd, J = 12.6, 2.7 Hz |
| (b) 0.95, 1H, m, J = 2.7 Hz | ||
| 7 | 41.2 | 2.25, 1H, tt, J = 12.4, 3.0 Hz |
| 8 | 32.8 | (a) 2.33, 1H, m |
| (b) 2.1, 1H, ddd, J = 14.1,4.2, 2.6 Hz | ||
| 9 | 33.3 | (a) 1.79, 1H, dd, J = 2.0, 4.5 Hz |
| (b) 1.20, 1H, dm, J = 4.3 Hz | ||
| 10 | 146.5 | — |
| 11 | 150.6 | — |
| 12 | 108.9 | 4.68, 2H, br s |
| 13 | 21.2 | 1.71, 3H, s |
| 14 | 18.6 | 0.99, 3H, s |
| 15 | 15.8 | 0.89, 3H, d, J = 6.9 Hz |