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13C-NMR and MS data of sugar moieties of casuarictin-type monomeric ellagitannins.
| n | Casuarictin-Type | |||
|---|---|---|---|---|
| Casuarictin (32) | Pedunculagin (32a) (α/β) | Strictinin (32b) | Isostrictinin (32c) | |
| 13C-NMR | ||||
| C-1 | 92.4 | 91.8 | 95.9 | 92.9 |
| C-2 | 76.0 | 75.6 | 74.7 | 71.1 |
| C-3 | 77.3 | 75.8 | 75.6 | 72.9 |
| C-4 | 69.3 | 69.9 | 72.8 | 73.4 |
| C-5 | 73.5 | 73.4 | 73.2 | 69.2 |
| C-6 | 63.1 | 63.8 | 63.7 | 65.9 |
| ESI-MS | 935 [M − H]− | 783 [M − H]− | 633(100) [M − H]− | 633(100) [M − H]− |
| Ref. | [22,64,82,84,91,92] | [82,84,92] | [64,82,84,90,92] | [64,82,84,92] |
