Table 2.
13C (125 MHz), 1H NMR (500 MHz) and HMBC data for compound 2 (in chloroform-d, δ in ppm).
| Position | 13C NMR a | 1H NMR | HMBC |
|---|---|---|---|
| δC (multi.) | δH (multi., J in Hz) | H→C | |
| 1 | 69.2 (d) | 3.73 (dt, 9.1, 4.2) | C-3, C-5 |
| 2 | 67.1 (d) | 4.08 (br t, 4.2) | C-1, C-3, C-4, C-6 |
| 3 | 121.0 (d) | 5.44 (m) | C-1, C-2, C-5, C-7 |
| 4 | 144.1 (s) | ||
| 5 | 27.2 (t) | 1.92–2.01 (m) | C-1 |
| 2.04–2.10 (m) | C-1, C-3, C-4, C-6, C-7 | ||
| 6 | 26.3 (t) | 1.66–1.78 (m) | C-1, C-2, C-5 |
| 7 | 37.4 (t) | 1.97 (br t, 7.3) | C-4, C-9 |
| 8 | 27.4 (t) | 1.38 (m) | C-4, C-7, C-9, C-10 |
| 9 | 31.8 (t) | 1.20 (m) | C-7, C-10 |
| 10 | 22.7 (t) | 1.27 (m) | C-8, C-9, C-11 |
| 11 | 14.2 (q) | 0.85 (t, 7.0) | C-9, C-10 |
a Multiplicities were obtained from DEPT experiments.