Table 3.
NMR data of UDP-d-glucose-5,6-ene
| Atom | 1H (ppm) | J (Hz) | 13C (ppm) | HMBC correlation |
|---|---|---|---|---|
| 1″ | 5.59 | 3.0/7.9 | 96.4 | 155.3 |
| 2″ | 3.63 | n.d. | 72.1 | – |
| 3″ | 3.62 | 9.7/9.4 | 72.7 | – |
| 4″ | 3.91 | 9.4/2 × 2.0 | 71.6 | – |
| 5″ | – | – | 155.3 | – |
| 6″a | 4.81 | 1.7/1.9 | 98.5 | 155.3 |
| 6″b | 4.78 | 1.6/2.1 | 98.5 | – |
| 1′ | 5.90 | n.d. | 89.3 | – |
| 2′ | 4.31–4.29 | n.d. | 74.6 | – |
| 3′ | 4.31–4.29 | n.d. | 70.7 | – |
| 4′ | 4.22–4.20 | n.d. | 84.3 | – |
| 5a′/5′b | 4.18–4.11 | n.d. | 65.8 | – |
| 2 | – | – | n.d. | – |
| 4 | – | – | n.d. | – |
| 5 | 5.90 | – | 103.7 | – |
| 6 | 7.88 | 8.1 | 142.9 | – |
| 31P (ppm) | ||||
| 5′-linked | −11.08 | 20.5 | – | – |
| 1″-linked | −12.98 | 20.5 | – | – |
n.d. not determined