Table 2.
Structure and chemical shifts of NTE.
| |||||
|---|---|---|---|---|---|
| Position | Shift | H's | Integral | Class | J coupling |
| 1′ | 4.99 | 1 | 1.05 | dd | 1.47, 10.18 |
| 1″ | 5.13 | 1 | 0.89 | dd | 1.21, 17.17 |
| 2 | 6.31 | 1 | 0.92 | dt | 9.96,9.96,16.91 |
| 3,7 | 6.05 | 2 | 1.67 | m | |
| 4,5,6 | 6.15 | 3 | 3.27 | m | |
| 8 | 5.67 | 1 | 1.15 | dq | 6.73,6.73,6.57, 13.67 |
| 9 | 1.72 | 3 | 3.05 | d | 6.93 |