Table 2.
13C-NMR data of compounds 1-3 and 6.
| Position | 1 | 2 | 3 | 6 |
|---|---|---|---|---|
| 1 | 160.9 (qC) | 163.8 (qC) | 163.7 (qC) | 154.2 (qC) |
| 2 | 94.1 (CH) | 99.0 (CH) | 92.4 (CH) | 109.6 (CH) |
| 3 | 160.6 (qC) | 160.3 (qC) | 166.7 (qC) | 124.5 (CH) |
| 4 | 108.5 (qC) | 104.0 (qC) | 102.5 (qC) | 138.2 (qC) |
| 4a | 146.1 (qC) | 150.9 (qC) | 150.4 (qC) | 144.6 (qC) |
| 5 | 130.3 (qC) | 130.0 (qC) | 129.7 (qC) | 141.7 (qC) |
| 10a | 149.4 (qC) | 146.8 (qC) | 145.8 (qC) | 146.1 (qC) |
| 6 | 150.5 (qC) | 151.3 (qC) | 150.6 (qC) | 127.6 (qC) |
| 7 | 126.1 (qC) | 125.6 (qC) | 124.8 (qC) | 122.3 (CH) |
| 8 | 136.4 (qC) | 136.7 (qC) | 134.9 (qC) | 117.3 (CH) |
| 8a | 112.0 (qC) | 111.6 (qC) | 110.1 (qC) | 121.5 (qC) |
| 9 | 183.8 (qC) | 183.1 (qC) | 181.9 (qC) | 182.4 (qC) |
| 9a | 105.8 (qC) | 101.1 (qC) | 103.3 (qC) | 109.4 (qC) |
| 1′ | 104.9 (CH) | 115.9 (CH) | 26.7 (CH2) | 122.1 (CH) |
| 2′ | 144.8 (CH) | 127.2 (CH) | 91.6 (CH) | 134.9 (CH) |
| 3′ | 78.3 (qC) | 70.0 (qC) | 78.6 (qC) | |
| 4′ | 28.0 (CH3) | 26.0 (CH3) | 27.6 (CH3) | |
| 5′ | 28.0 (CH3) | 24.9 (CH3) | 17.6 (CH3) | |
| 1′′ | 25.2 (CH2) | 25.1 (CH2) | 24.1 (CH2) | |
| 2′′ | 123.7 (CH) | 123.7 (CH) | 123.3 (CH) | |
| 3′′ | 131.5 (qC) | 131.4 (qC) | 130.6 (qC) | |
| 4′′ | 18.0 (CH3) | 17.9 (CH3) | 18.0 (CH3) | |
| 5′′ | 25.6 (CH3) | 25.6 (CH3) | 25.6 (CH3) | |
| 1′′′ | 24.8 (CH2) | 24.8 (CH2) | 24.5 (CH2) | |
| 2′′′ | 45.3 (CH2) | 45.3 (CH2) | 44.9 (CH2) | |
| 3′′′ | 70.0 (qC) | 69.9 (qC) | 69.0 (qC) | |
| 4′′′ | 28.9 (CH3) | 28.9 (CH3) | 29.1 (CH3) | |
| 5′′′ | 28.9 (CH3) | 28.9 (CH3) | 29.1 (CH3) |