Table 2.
NMR Data for 1’ (500 MHz for 1H and 125 MHz for 13C, in CDCl3, δ in ppm, J in Hz).
| Positions | 1H | 13C * |
|---|---|---|
| 1 | - | 76.63 |
| 2 | 5.57 (d, J = 9.8 Hz, 1H) | 130.60 |
| 3 | 6.22 (t, J = 13.6 Hz, 2H) | 121.53 |
| 4 | 7.10 (s, 1H) | 129.44 |
| 5 | - | 128.41 |
| 6 | 6.96 (s, 1H) | 123.08 |
| 7 | - | 135.27 |
| 8 | - | 152.67 |
| 9 | - | 120.60 |
| 10 | 6.22 (t, J = 13.6 Hz, 2H) | 113.92 |
| 11 | 7.58 (d, J = 15.6 Hz, 1H) | 146.23 |
| 12 | 3.25 (d, J = 7.2 Hz, 2H) | 27.29 |
| 13 | 5.48 (s, 1H) | 124.09 |
| 14 | - | 125.98 |
| 15 | 3.98 (s, 2H) | 68.33 |
| 16 | 1.72 (s, 3H) | 13.37 |
| 17 | 1.36 (s, 6H) | 27.80 |
| 18 | 1.36 (s, 6H) | 27.80 |
* The assignments were based on HSQC and HMBC data.