Table 1.
1H (700 MHz) and 13C (175 MHz) NMR data of BAG in CD3OD.
| Position | BAG | |
|---|---|---|
| 1H (δ) | 13C (δ) | |
| 2 | - | 157.8 |
| 3 | - | 134.2 |
| 4 | - | 178.0 |
| 5 | - | 161.7 |
| 6 | 6.18 (1H, d, J = 2.2) | 98.5 |
| 7 | - | 164.4 |
| 8 | 6.31 (1H, d, J = 2.2) | 93.3 |
| 9 | - | 157.3 |
| 10 | - | 104.2 |
| 1′ | 5.16 (1H, d, J = 7.7) | 121.8 |
| 2′ | 7.82 (1H, d, J = 2.2) | 116.2 |
| 3′ | - | 144.8 |
| 4′ | - | 148.1 |
| 5′ | 6.85 (1H, d, J = 8.4) | 114.6 |
| 6′ | 7.57 (1H, dd, J = 8.4, 2.2) | 121.8 |
| 1″ | - | 102.9 |
| 2″ | 3.67 (1H, dd, J = 9.5, 7.7) | 74.4 |
| 3″ | 3.50 (1H, dd, J = 9.5, 4.4) | 76.8 |
| 4″ | 3.86 (1H, dd, J = 4.4, 3.7) | 69.9 |
| 5″ | 3.46 (1H, m) | 77.1 |
| 6″ | a: 3.59 (1H, d, J = 5.5), b: 3.67 (2H, dd, J = 5.5) |
61.2 |
Position (′, ″): The chemical shifts were derived directly from correlation data for position 13C d (ppm) 1H d (ppm) integration multiplicity coupling J (Hz).