Table 2.
13C-NMR spectroscopic data for compounds 1–4 (CD3OD).
| Carbon NO. | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1 | 126.6 | 130.7 | 130.6 | 133.9 |
| 2 | 116.0 | 123.9 | 123.9 | 123.2 |
| 3 | 145.4 | 145.1 | 145.1 | 144.8 |
| 4 | 149.4 | 115.5 | 115.5 | 115.5 |
| 5 | 116.1 | 145.3 | 145.3 | 145.1 |
| 6 | 124.4 | 118.1 | 118.1 | 117.5 |
| 7 | 144.7 | 38.2 | 38.2 | 31.1 |
| 8 | 115.5 | 62.9 | 63.0 | 40.6 |
| 9 | 169.6 | - | - | 66.3 |
| 10 | - | - | - | 22.1 |
| 1′ | 101.9 | 102.9 | 102.9 | 102.9 |
| 2′ | 73.3 | 73.4 | 73.4 | 73.4 |
| 3′ | 76.0 | 76.0 | 76.0 | 76.0 |
| 4′ | 70.6 | 70.4 | 70.3 | 70.4 |
| 5′ | 74.3 | 74.4 | 74.3 | 74.4 |
| 6′ | 63.5 | 63.3 | 63.0 | 63.3 |
| 1” | 125.7 | 125.7 | 126.1 | 126.2 |
| 2” | 115.4 | 115.4 | 114.4 | 113.7 |
| 3” | 129.9 | 129.9 | 132.4 | 145.5 |
| 4” | 159.9 | 160.0 | 158.7 | 148.3 |
| 5” | 129.9 | 129.9 | 132.4 | 115.1 |
| 6” | 115.4 | 115.4 | 114.4 | 121.8 |
| 7” | 145.7 | 145.6 | 144.3 | 146.0 |
| 8” | 113.2 | 113.4 | 114.7 | 113.3 |
| 9” | 167.8 | 167.6 | 166.6 | 167.6 |