Table 2.
1H and 13C data for fragment A (recorded at 600 MHz and 150 MHz in DMSO-d6, respectively).
| Atom | δC | δH (J in Hz) | COZY | HMBC |
|---|---|---|---|---|
| Fragment A | ||||
| 2 | 175.3 | |||
| 3 | 47.4 | 4.56, m | 4, 1′ | 2, 4 |
| 4a | 27.9 | 2.36, m | 5a, 5b | |
| 4b | 2.11, m | 5a, 5b | 5 | |
| 5a | 64.9 | 4.33, dd (8.9, 1.8) | 4a, 4b | 2, 3, 5 |
| 5b | 4.20, m | 4a, 4b | 2, 3, 5 | |
| 1′ | 8.29, d (8.0) | 3 | 3, 2′ | |
| 2′ | 170.8 | |||
| 3′ | 43.5 | 2.19, m | 4′ | 2′, 4′, 5′ |
| 4′ | 67.0 | 3.78, bs | 3′ | |
| 5′a | 36.5 | 1.37, m | 3′ | |
| 5′b | 1.30, m | 3′ | ||
| Fragment B | ||||
| a | 26.4 | 1.98, m | b | a |
| b | 129.3 | 5.32, m | a, c | b |
| c | 129.3 | 5.32, m | b, d | c |
| d | 26.4 | 1.98, m | c | d |