Table 1.
1H-NMR (600 MHz) and 13C-NMR (150 MHz) data for compound 1 (DMSO-d6, δH in ppm, J in Hz).
| Position | δ H | δ C |
|---|---|---|
| 1 | - | 125.7 |
| 2 | 7.40 (d, 1.8) | 112.4 |
| 3 | - | 145.6 |
| 4 | - | 149.4 |
| 5 | 6.80 (d, 8.4) | 116.0 |
| 6 | 7.08 (dd, 8.4, 1.8) | 126.4 |
| 7 | 7.33 (d, 15.6) | 143.2 |
| 8 | 6.90 (d, 15.6) | 122.3 |
| 9 | - | 196.1 |
| 10a | 3.38 (m) | 44.3 |
| 10b | 4.26 (m) | |
| 11 | - | 127.5 |
| 12 | - | 123.4 |
| 13 | 7.00 (s) | 113.2 |
| 14 | - | 144.8 |
| 15 | - | 148.3 |
| 16 | 6.75 (s) | 117.9 |
| 17 | 8.02 (d, 15.6) | 140.9 |
| 18 | 6.10 (d, 15.6) | 116.4 |
| 19 | - | 166.1 |
| 1' | 4.88 (d, 7.8) | 100.7 |
| 2' | 3.38 (m) | 72.7 |
| 3' | 3.38 (m) | 75.5 |
| 4' | 3.15 (m) | 70.6 |
| 5' | 4.10 (t, 9.4) | 73.7 |
| 6'a | 4.38 (d, 11.4) | 65.2 |
| 6'b | 4.29 (m) |