TABLE 2.
Characteristic 1HNMR and 13CNMR signals for cannabidiolic acid (CBDA) and cannabidiol (CBD).
| CBDA | CBD | |||
|---|---|---|---|---|
| Position | δ 1HNMR (multiplicity) | δ13CNMR | δ 1HNMR (multiplicity) | δ13CNMR |
| 1 | 3.91 (m) | 37.4 | 4.09 (m) | 37.4 |
| 2 | 5.56 (s) | 123.7 | 5.55 (s) | 123.8 |
| 3 | - | 139.5 | - | 139.4 |
| 4 | 2.19 (m) | 30.8 | 2.19 (m) | 29.3 |
| 5 | 1.87 (m) | 31.7 | 1.89 (m) | 31.7 |
| 6 | 2.39 (m) | 46.5 | 2.39 (m) | 46.0 |
| 7 | 1.80 (s) | 23.5 | 1.81 (s) | 23.5 |
| 8 | - | 148.8 | - | 148.8 |
| 9 | 4.55 and 4.40 (m) | 110.5 | 4.64 and 4.54 (m) | 110.0 |
| 10 | 1.72 (s) | 18.4 | 1.67 (s) | 18.4 |
| 1′ | - | 114.5 | - | 114.5 |
| 3′ | - | 103.5 | 6.26 (s) | 107.5 |
| 4′ | - | 146.8 | - | 142.8 |
| 5′ | 6.26 (s) | 112.0 | 6.27 (s) | 109.0 |
| 1″ | 2.81 (m) | 37.8 | 2.39 (m) | 37.8 |
| 2″ | 1.57 (m) | 32.8 | 1.57 (m) | 31.8 |
| 3″ | 1.35 (m) | 33.0 | 1.30 (m) | 32.9 |
| 5″ | 0.90 (t) | 14.1 | 0.90 (t) | 14.1 |
| COOH | 11.97 (s) | 175.0 | - | - |