Table 1.
1H NMR and 13C NMR data of compounds 1–2 (δ in ppm, J in Hz) in CD3OD.
| Position | 1 | Position | 2 | ||
|---|---|---|---|---|---|
| δ H | δ C | δ H | δ C | ||
| 2 | 5.30 (1H, dd, J = 13.2, 3.1) | 80.9 | 1 | 41.9 | |
| 3 | 3.14 (1H, dd, J = 17.3, 13.2) 2.72 (1H, dd, J = 17.3, 3.1) |
44.5 | 2 | 2.28 (2H, s) | 53.7 |
| 4 | 199.5 | 3 | 202.0 | ||
| 5 | 157.0 | 4 | 5.88 (1H, s) | 129.0 | |
| 6 | 6.36 (1H, s) | 96.1 | 5 | 159.8 | |
| 7 | 154.7 | 6 | 144.5 | ||
| 8 | 129.0 | 7 | 5.96 (1H, t, J = 6.8) | 130.3 | |
| 9 | 150.8 | 8 | 2.62 (1H, m) 2.52 (1H, m) |
38.7 | |
| 10 | 105.0 | 9 | 3.93 (1H, m) | 76.0 | |
| 1′ | 131.1 | 10 | 1.23 (3H, d, J = 6.2) | 20.0 | |
| 2′, 6′ | 7.31 (2H, d, J = 8.4) | 129.1 | 11 | 2.26 (3H, s) | 25.1 |
| 3′, 5′ | 6.80 (2H, d, J = 8.4) | 116.3 | 12 | 1.18 (3H, s) | 28.4 |
| 4′ | 159.1 | 13 | 1.17 (3H, s) | 28.3 | |
| 1″ | 4.93 (1H, d, J = 7.4) | 102.3 | 1′ | 4.32 (1H, d, J = 7.8) | 102.6 |
| 2″ | 3.51 (1H, m) | 74.6 | 2′ | 3.13 (1H, m) | 75.1 |
| 3″ | 3.46 (1H, m) | 77.4 | 3′ | 3.32 (1H, m) | 78.1 |
| 4″ | 3.38 (1H, m) | 71.2 | 4′ | 3.64 (1H, m) | 72.4 |
| 5″ | 3.43 (1H, m) | 78.4 | 5′ | 3.40 (1H, m) | 77.0 |
| 6″ | 3.86 (1H, d, J = 12.1) 3.67 (1H, m) |
62.3 | 6′ | 3.98 (1H, dd, J = 11.3, 1.3) 3.54 (1H, dd, J = 11.3, 7.0) |
68.8 |
| 1″ | 4.73 (1H, s) | 102.4 | |||
| 2″ | 3.19 (1H, m) | 72.0 | |||
| 3″ | 3.79 (1H, m) | 72.2 | |||
| 4″ | 3.36 (1H, m) | 74.0 | |||
| 5″ | 3.62 (1H, m) | 69.9 | |||
| 6″ | 1.25 (3H, d, J = 6.2) | 18.1 | |||
Data were recorded at 500 MHz for proton and at 125 MHz for carbon.