Table 1.
1H NMR (400 MHz) and 13C NMR (100 MHz) data of isolated compounds.
| Position | 1a δH ppm (mult., J in Hz) | 2a δH ppm (mult., J in Hz) | 3b δH ppm (mult., J in Hz) | 4b δH ppm (mult., J in Hz) | 1a δC ppm | 2a δC ppm |
|---|---|---|---|---|---|---|
| 1 | 176.0 C | 176.0 C | ||||
| 2 | 2.32, t (7.2) | 2.31, t (7.2) | 2.30, t (7.6) | 2.30, t (7.6) | 34.8 CH2 | 34.8 CH2 |
| 3 | 1.60, m | 1.60, m | 1.60, m | 1.58, m | 26.0 CH2 | 26.0 CH2 |
| 4 | 1.32, m | 1.32, m | 1.32, m | 1.32, m | 30.2 CH2 | 29.8 CH2 |
| 5 | 1.32, m | 1.32, m | 1.32, m | 1.32, m | 30.2 CH2 | 30.0 CH2 |
| 6 | 1.32, m | 1.32, m | 1.32, m | 1.32, m | 30.3 CH2 | 32.7 CH2 |
| 7 | 1.32, m | 2.04, m | 1.32, m | 1.32, m | 30.6 CH2 | 33.2 CH2 |
| 8 | 2.04, q (6.4) | 5.62, dt (15.2, 6.8) | 1.47, m | 1.32, m | 28.4 CH2 | 132.7 CH |
| 9 | 5.44, m | 5.44, m | 4.03, q (6.4) | 2.02, q (6.8) | 132.6 CH | 134.0 CH |
| 10 | 5.44, m | 3.99, q (6.8) | 5.44, dd (15.2, 6.8) | 5.62, dtd (15.2, 6.8, 3.2) | 126.4 CH | 73.7 CH |
| 11a | 2.27, t (6.4) | 2.27, t (6.4) | 5.62, dtd (15.2, 6.8, 4.4) | 5.44, dd (15.2, 7.2) | 36.5 CH2 | 36.4 CH2 |
| 11b | 2.20, m | 2.20, m | ||||
| 12 | 3.99, q (6.8) | 5.44, m | 2.02, q (6.8) | 4.03, q (6.4) | 73.7 CH | 126.4 CH |
| 13 | 5.44, m | 5.44, m | 1.32, m | 1.47, mc | 133.9 CH | 132.4 CH |
| 14 | 5.62, dt (15.2, 6.4) | 2.05, m | 1.32, m | 1.32, m | 132.6 CH | 28.4 CH2 |
| 15 | 2.05, q (6.4) | 1.32, m | 1.32, m | 1.32, m | 33.0 CH2 | 30.4 CH2 |
| 16 | 1.32, m | 1.32, m | 1.32, m | 1.32, m | 32.6 CH2 | 30.2 CH2 |
| 17 | 1.32, m | 1.32, m | 1.32, m | 1.32, m | 23.2 CH2 | 23.6 CH2 |
| 18 | 0.91, t (7.2) | 0.91, t (6.8) | 0.88, t (6.4) | 0.88, t (6.4) | 14.3 CH2 | 14.4 CH2 |
| −OCH3 | 3.65, s | 3.65, s | 3.66, s | 3.66, s | 52.0 CH3 | 52.0 CH3 |
a
Compounds 1 and 2 were dissolved in CD3OD.
b
Compounds 3 and 4 in CDCl3.
c
The signal is overlapping with H2O.