NMR data position | 1 | 2 | F-7 (6) [14] | |||
δC | δH (J in Hz) | δC | δH (J in Hz) | δC | δH (J in Hz) | |
1 | 160.6 | 160.6 | 159.3 | |||
2 | 118.5 | 119.0 | 119.1 | |||
3 | 141.4 | 7.57 (d, 8.7) | 144.5 | 7.66 (d, 8.3) | 140.4 | 7.50 (d, 8.5) |
4 | 107.1 | 6.68 (d, 8.7) | 107.8 | 6.77 (d, 8.3) | 107.6 | 6.61 (d, 8.4) |
4a | 157.4 | 157.8 | 158.4 | |||
5 | 74.0 | 4.50 (d, 10.7) | 71.9 | 4.22 (d, 9.9) | 75.0 | 4.38 (brs) |
6 | 32.0 | 2.07 (m) | 32.2 | 1.82 (m) | 31.3 | 2.04-1.99 (m) |
7 | 43.4 | 2.49 (dd, 15.3, 5.8) 2.94 (dd, 15.3, 12.4) | 36.4 | 2.14 (dd, 14.5, 6.6) 2.23 (dd, 14.5, 12.4) | 39.7 | 2.37-2.33 (s) 3.17 (dd, 15.1, 13.6) |
8 | 198.9 | 107.1 | 198.7 | |||
8a | 71.7 | 72.0 | 72.5 | |||
9 | 191.8 | 196.3 | 190.3 | |||
9a | 106.6 | 107.2 | 106.9 | |||
10a | 89.4 | 86.1 | 86.2 | |||
11 | 18.4 | 1.22 (d, 6.6) | 17.4 | 1.25 (d, 6.6) | 18.0 | 1.21 (d, 6.6) |
12 | 167.9 | 166.2 | 168.5 | |||
13 | 53.5 | 3.68 (s) | 53.2 | 3.69 (s) | ||
OH-1 | 11.77 (s) | 11.40 (s) | 11.71 (s) or 11.88 (s) | |||
OH-5 | ||||||
OH-8a | 5.09 (s) | 6.62 (s) | ||||
1’ | 159.2 | 159.2 | 160.2 | |||
2’ | 117.4 | 116.9 | 117.7 | |||
3’ | 140.4 | 7.47 (d, 8.7) | 140.0 | 7.42 (d, 8.3) | 140.3 | 7.46 (d, 8.5) |
4’ | 107.7 | 6.63 (d, 8.7) | 107.8 | 6.64 (d, 8.3) | 106.9 | 6.60 (d, 8.4) |
4a’ | 158.3 | 158.6 | 156.7 | |||
5’ | 76.9 | 3.93 (d, 11.6) | 76.9 | 3.93 (d, 11.6) | 77.2 | 3.93 (d, 11.0) |
6’ | 29.2 | 2.42 (m) | 29.2 | 2.43 (m) | 29.7 | 2.47-2.37 (m) |
7’ | 36.2 | 2.32 (dd, 19.4, 10.7) 2.74 (dd, 19.4, 6.6) | 36.2 | 2.32 (dd, 19.4, 9.9) 2.75 (dd, 19.4, 6.6) | 36.3 | 2.33-2.29 2.74 (dd, 18.8, 5.9) |
8’ | 177.5 | 177.8 | 177.6 | |||
8a’ | 101.5 | 101.4 | 101.5 | |||
9’ | 187.1 | 187.0 | 187.1 | |||
9a’ | 106.9 | 106.9 | 106.9 | |||
10a’ | 84.8 | 84.3 | 84.2 |