Table 2.
1H (700 MHz), 13C (175 MHz) and HMBC NMR data for compound 8 (δ in ppm, J in Hz).
| N | δH (J in Hz) | δC | HMBC |
|---|---|---|---|
| Upper | |||
| 2 | 153.7 | ||
| 3 | 119.5 | ||
| 4 | 194.6 | ||
| 5 | 6.82 s, 1H | 103.4 | C-6, 7, 8, 9, 10 |
| 6 | 141.5 | ||
| 7 | 147.3 | ||
| 8 | 111.0 | ||
| 9 | 141.9 | ||
| 10 | 116.9 | ||
| 1’ | 110.7 | ||
| 2’ | 156.6 | ||
| 3’ | 6.50 d (2.3), 1H | 105.0 | C-1’, 2’, 4’, 5’ |
| 4’ | 158.6 | ||
| 5’ | 6.41 dd (2.3, 8.5), 1H | 108.6 | C-1’, 3’ |
| 6’ | 7.26 d (8.5), 1H | 132.2 | C-2, 2’, 4’ |
| 1″ | 3.69 d (7.3), 2H | 23.4 | C-7, 8, 9, 2″, 3″ |
| 2″ | 5.42 t (7.3), 1H | 120.4 | C-4″, 9″ |
| 3″ | 139.3 | ||
| 4″ | 2.11 m, 2H | 39.7 | C-2″, 3″, 5″, 6″, 9″ |
| 5″ | 2.13 m, 2H | 26.4 | C-4″, 6″, 7″ |
| 6″ | 5.07 m, 1H | 123.8 | |
| 7″ | 132.1 | ||
| 8″ | 1.68 s, 3H | 25.7 | C-6″, 7″, 10″ |
| 9″ | 1.86 s, 3H | 16.3 | C-2″, 3″, 4″ |
| 10″ | 1.60 s, 3H | 17.7 | C-6″, 7″, 8″ |
| Lower | |||
| 1 | 7.38 d (8.5), 1H | 132.4 | C-3, 4a,11a |
| 2 | 6.56 dd (2.4, 8.5), 1H | 110.1 | C-4, 11b |
| 3 | 157.2 | ||
| 4 | 6.38 d (2.4), 1H | 103.6 | C-2, 3, 4a, 11b |
| 4a | 156.4 | ||
| 6 | 4.01 m, 1H | 66.3 | |
| 3.56 m, 1H | 66.3 | ||
| 6a | 3.46 m, 1H | 39.6 | |
| 6b | 118.4 | ||
| 7 | 7.34 s, 1H | 127.1 | C-4 (upper), 6a, 9, 10a |
| 8 | 113.4 | ||
| 9 | 164.8 | ||
| 10 | 112.3 | ||
| 10a | 164.8 | ||
| 11a | 5.58 d (7.3), 1H | 79.2 | C-1, 4a, 6, 11b |
| 11b | 112.5 | ||
| 1‴ | 3.32 d (7.2), 2H | 22.2 | C-9, 10, 10a, 2‴, 3‴ |
| 2‴ | 5.26 t (7.2), 1H | 121.0 | C-10, 1‴, 4‴, 9‴ |
| 3‴ | 136.0 | ||
| 4‴ | 1.98 m, 2H | 39.8 | C-2‴, 3‴, 5‴, 6‴, 9‴ |
| 5‴ | 2.04 m, 2H | 29.7 | C-3‴, 4‴, 6‴, 7‴ |
| 6‴ | 5.07 m, 1H | 124.4 | C-8‴, 10‴ |
| 7‴ | 131.3 | ||
| 8‴ | 1.64 s, 3H | 25.6 | C-6‴, 7‴, 10‴ |
| 9‴ | 1.77 s, 3H | 16.2 | C-2‴, 3‴, 4‴ |
| 10‴ | 1.56 s, 3H | 17.6 | C-6‴, 7‴, 8‴ |
| OH-9 | 12.83, s, 1H | ||