1H NMR (500 MHz) and 13C NMR (125 MHz) data of compounds 5–7 in CDCl3.
| No. | 5 | 6 | 7 | |||
|---|---|---|---|---|---|---|
| δ H (J in Hz) | δ C | δ H (J in Hz) | δ C | δ H (J in Hz) | δ C | |
| 1 | 8.78, d (8.5) | 122.5 | 8.82, d (8.5) | 122.4 | 3.17, t (6.0) | 26.1 |
| 2 | 7.56, dd (7.0, 8.5) | 129.1 | 7.57, t (7.0, 8.5) | 129.1 | 1.82, m | 18.6 |
| 3 | 7.44, d (7.0) | 128.7 | 7.45, d (7.0) | 128.7 | 1.68, m | 38.4 |
| 4 | 129.3 | 129.3 | 34.6 | |||
| 5 | 133.7 | 133.7 | 149.2 | |||
| 6 | 8.33, d (8.5) | 132.3 | 8.32, d (8.5) | 132.1 | 7.62, d (8.0) | 133.2 |
| 7 | 7.55, d (8.5) | 118.0 | 7.48, d (8.5) | 117.7 | 7.18, d (8.0) | 118.9 |
| 8 | 146.2 | 146.4 | 144.4 | |||
| 9 | 122.2 | 122.9 | 124.5 | |||
| 10 | 135.3 | 135.2 | 137.9 | |||
| 11 | 168.2 | 168.5 | 169.0 | |||
| 12 | 111.4 | 109.8 | 109.8 | |||
| 13 | 4.51, t (8.0), 3.85, t (8.0) | 76.1 | 4.45, t (8.0), 4.07, dd (3.5, 8.5) | 76.6 | 4.36 t (7.5), 3.97, dd (3.5, 8.5) | 76.2 |
| 14 | 3.22, m | 34.6 | 3.04, m | 34.4 | 2.94, m | 34.3 |
| 15 | 3.20, overlap | 59.2 | 3.63, d (8.0) | 54.7 | 3.48, d (8.0) | 55.4 |
| 16 | 1.32, d (5.5) | 17.1 | 1.43, d (7.0) | 16.3 | 1.28, s | 16.1 |
| 17 | 172.2 | 171.6 | 172.3 | |||
| 18 | 2.71, s | 20.0 | 2.72, s | 20.0 | 1.30, s | 32.0 |
| 19 | 1.30, s | 31.9 | ||||