Table 1. Spectroscopic data of 1D and 2D-NMR in chloroform-d for pulchrin A (δ in ppm, J in Hz).
| H/C | δH in ppm (J in Hz)a | δC in ppmb | HMBC |
|---|---|---|---|
| 1 | 2.25 (2H, m, CH2) | 25.2 | 2´, 4´ |
| 2 | 1.51 (2H, m, CH2) | 26.6 | - |
| 3 | 2.21 (2H, m, CH2) | 24.3 | 4, 5 |
| 4 | 5.40 (1H, m, CH) | 131.0 | 2 |
| 5 | 5.40 (1H, m, CH) | 131.0 | - |
| 6 | 2.91 (2H, m, CH2) | 57.3 | - |
| 7 | 5.33 (1H, m, CH) | 129.8 | 9 |
| 8 | 5.35 (1H, m, CH) | 128.3 | 9, 10 |
| 9 | 2.02 (2H, m, CH2) | 27.4 | - |
| 10 | 1.55 (2H, m, CH2) | 28.0 | 9 |
| 11 | 1.28 (2H, m, CH2) | 29.5 | - |
| 12 | 1.28 (2H, m, CH2) | 29.5 | - |
| 13 | 1.28 (2H, m, CH2) | 29.5 | - |
| 14 | 1.28 (2H, m, CH2) | 29.5 | - |
| 15 | 1.28 (2H, m, CH2) | 29.6 | - |
| 16 | 1.28 (2H, m, CH2) | 29.6 | - |
| 17 | 1.28 (2H, m, CH2) | 29.6 | - |
| 18 | 1.25 (2H, m, CH2) | 22.7 | - |
| 19 | 1.30 (2H, m, CH2) | 32.0 | - |
| 20 | 1.32 (2H, m, CH2) | 22.4 | - |
| 21 | 0.89 (3H, m, CH3) | 14.1 | 19, 20 |
| 2´-O-C = O | - | 173.9 | - |
| 3´ | - | 134.4 | - |
| 4´ | 6.98 (1H, m, CH) | 148.8 | 2´, 3´, 8a |
| 4a | 2.93 (1H, m, CH) | 56.8 | 5´ |
| 5' | 1.59 (2H, m, CH2) | 27.9 | 4a |
| 6´ | 1.29 (2H, m, CH2) | 29.2 | 4a, 7´ |
| 7´ | 1.34 (2H, m, CH2) | 27.9 | 6´ |
| 8´ | 1.43 (2H, m, CH2) | 29.7 | 6´, 8a |
| 8a | 4.90 (1H, m, CH) | 76.9 | - |
a Proton was measured at 600 MHz
b Carbon was measured at 150 MHz