Table 2.
NMR spectral data for compound 9 (DMSO-d6, 500 and 125 MHz).
| No. | δH [mult., J (Hz)] | δC (mult.) | HMBC |
|---|---|---|---|
| 2 | - | 148.1 (C) | - |
| 3 | - | 135.6 (C) | - |
| 4 | - | 176.1 (C) | - |
| 5 | - | 151.5 (C) | - |
| 6 | - | 129.6 (C) | - |
| 7 | - | 151.4 (C) | |
| 8 | 6. 59 s | 93.5 (CH) | 6, 7, 10 |
| 9 | - | 147.7 (C) | - |
| 10 | - | 105.1 (C) | - |
| 1' | - | 122.0 (C) | - |
| 2' | 7.74 brs | 115.5 (CH) | 2, 4', 6' |
| 3' | - | 145.0 (C) | - |
| 4' | - | 147.5 (C) | - |
| 5' | 6.88 d (7.0) | 115.3 (CH) | 3', 6' |
| 6' | 7.57 brd (7.0) | 119.9 (CH) | 2, 1', 4' |
| 1'' | 5.02 d (6.5) | 100.9 (CH) | 6 |
| 2'' | 3.77 dd (7.0, 9.0) | 73.1 (CH) | - |
| 3'' | 3.86 m | 75.7 (CH) | - |
| 4'' | 3.23 dd (9.0, 9.5) | 69.6 (CH) | - |
| 5'' | 4.35 m | 77.2 (CH) | - |
| 6'' | 4.41 dd (2.8, 12.0) 4.30 dd (7.0, 12.0) |
64.6 (CH2) | 9''' |
| 1''' | - | 125.2 (C) | - |
| 2''' | 6.96 d (1.5) | 115.7 (CH) | 6''', 7''' |
| 3''' | - | 148.3 (C) | - |
| 4''' | - | 145.3 (C) | - |
| 5''' | 6.77 d (6.8) | 115.3 (CH) | 3''' |
| 6''' | 6.93 dd (1.5, 6.8) | 120.5 (CH) | 4''', 5''', 7''', 8''' |
| 7''' | 7.43 d (16.0) | 145.5 (CH) | 9''' |
| 8''' | 6.23 d (16.0) | 113.4 (CH) | 1''', 9''' |
| 9''' | - | 166.5 (C) | - |
| 5-OH | 12.24 s | - | - |
| 7-OH | 10.89 s | - | - |
| 3'-OH | 9.35 s | - | - |
| 4'-OH | 9.35 s | - | - |
| 3-OH | 8.50 s | - | - |