Table 1.
1H- and 13C-NMR data for micrandilactone H in pyridine-d5 using an INOVA-500 MHz spectrometer.
| Position | δH | δC |
|---|---|---|
| 1 | 4.27 (d, 4.5) | 82.5 |
| 2α | 2.72 (d, 18.0) | 36.9 |
| 2β | 2.94 (dd, 18.0, 4.5) | |
| 3 | 175.9 | |
| 4 | 85.2 | |
| 5 | 2.57 (dd, 13.0, 4.0) | 59.6 |
| 6α | 1.69 (overlapped) | 28.7 |
| 6β | 1.31 (overlapped) | |
| 7α | 2.37 (m) | 25.3 |
| 7β | 2.07 (overlapped) | |
| 8 | 1.72 (overlapped) | 58.8 |
| 9 | 70.8 | |
| 10 | 99.7 | |
| 11α | 2.35 (m) | 42.7 |
| 11β | 2.26 (m) | |
| 12α | 5.76 (d, 7.0) | 120.9 |
| 12β | ||
| 13 | 147.7 | |
| 14 | 52.8 | |
| 15 | 4.00 (s) | 77.1 |
| 16α | 2.30 (m) | 40.4 |
| 16β | 2.11 (dd, 8.5, 3.0) | |
| 17 | 3.31 (m) | 43.3 |
| 18 | 1.12 (s) | 26.6 |
| 19α | 2.15 (d, 15.0) | 46.0 |
| 19β | 2.02 (d, 15.0) | |
| 20 | 2.21 (m) | 44.3 |
| 21 | 1.34 (d, 7.0) | 16.1 |
| 22 | 4.00 (s) | 74.9 |
| 23 | 5.27 (br, s) | 83.0 |
| 24 | 7.23 (s) | 148.9 |
| 25 | 130.5 | |
| 26 | 175.1 | |
| 27 | 1.83(s) | 10.9 |
| 29 | 1.27(s) | 29.9 |
| 30 | 23.5 |