Table 5.
100 MHz 13C-NMR data of 1–12 in CD3OD a.
| Position | δC | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| glucose | ||||||||||||
| 1 | 95.9 | 95.8 | 94.1 | 95.8 | 93.8 | 91.2 | 98.5 | 101.1 | 101.2 | 101.3 | 97.2 | 102.0 |
| 2 | 74.0 | 74.2 | 74.3 | 72.6 | 72.3 | 71.9 | 73.1 | 73.5 | 71.9 | 71.7 | 73.1 | 73.5 |
| 3 | 78.0 | 75.9 | 76.1 | 79.1 | 76.7 | 74.0 | 74.2 | 73.0 | 76.9 | 74.4 | 74.3 | 77.0 |
| 4 | 71.1 | 71.7 | 71.2 | 69.3 | 69.2 | 69.0 | 69.8 | 72.6 | 70.2 | 70.6 | 69.9 | 69.8 |
| 5 | 76.4 | 74.3 | 79.0 | 78.7 | 78.9 | 76.5 | 73.6 | 69.2 | 71.2 | 69.2 | 73.6 | 78.0 |
| 6 | 64.4 | 63.5 | 62.2 | 61.9 | 61.8 | 61.8 | 62.2 | 64.1 | 64.7 | 63.8 | 62.2 | 62.3 |
| galloyl | ||||||||||||
| CO | 168.3 | 168.0 | 167.6 | 168.1 | 167.7 | 168.1 | 168.2 | 168.1 | 168.35 | 168.0 | 168.2 | 167.8 |
| 167.0 | 167.4 | 166.5 | 168.1 | 167.1 | 167.3 | 167.6 | 167.5 | 168.25 | 167.9 | 167.7 | 167.2 | |
| 166.8 | 166.3 | 166.3 | 167.2 | |||||||||
| 1 | 121.2 | 121.1 | 121.1 | 121.6 | 121.0 | 121.1 | 121.3 | 121.2 | 121.7 | 121.1 (2C) | 121.3 | 121.1 |
| 120.5 | 120.9 | 120.1 | 120.5 | 120.4 | 120.4 | 120.5 | 121.0 | 121.3 | 120.4 | 120.6 | 121.0 | |
| 120.4 | 119.9 | 120.2 | ||||||||||
| 2,6 | 110.5 | 110.5 | 110.4 | 110.5 | 110.5 | 110.42 | 110.34 | 110.3 | 110.3 | 110.34 | 110.32 | 110.3 |
| 110.1 | 110.3 | 110.3 | 110.3 | 110.35 | 110.35 | 110.28 | 110.1 | 110.0 | 110.31 | 110.27 | 110.2 | |
| 110.2 | 110.28 | 110.33 | 110.17 | |||||||||
| 3,5 | 146.48 | 146.49 | 146.46 | 146.5 | 146.5 | 146.7 | 146.37 | 146.5 (4C) | 146.5 | 146.5 | 146.4 | 146.33 |
| 146.44 | 146.44 | 146.37 | 146.4 | 146.31 | 146.4 | 146.34 | 146.3 | 146.4 | 146.3 | 146.28 | ||
| 146.37 | 146.29 | 146.3 | 146.3 | |||||||||
| 4 | 140.4 | 140.4 | 140.5 | 140.4 | 140.6 | 140.6 | 140.1 | 140.0 | 139.9 | 140.2 | 140.0 | 139.9 |
| 139.9 | 140.0 | 140.0 | 139.7 | 140.1 | 140.2 | 139.8 | 139.8 | 139.7 | 139.9 | 139.8 | 139.8 | |
| 139.8 | 139.9 | 140.0 | 139.8 | |||||||||
| OCH3 | — | — | — | — | — | — | 55.7 | 55.8 | 55.7 | 56.0 | — | — |
| OCH2CH3 | — | — | — | — | — | — | — | — | — | — | 64.7 | 66.4 |
| OCH2CH3 | — | — | — | — | — | — | — | — | — | — | 15.4 | 15.5 |
Notes: a Chemical shifts were recorded in δC values using the solvent signal (CD3OD: δC 49.00) as reference. Signal assignments were based on the results of 1H-1H COSY and HMQC experiments.