TABLE 2
600 MHz 1H-NMR (D2O) for the GSH conjugate 14 and flupirtine (in parentheses)
Proton | 1H δ | Intensity | Multiplicity | Coupling Constants J |
|---|---|---|---|---|
| ppm | Hz | |||
| A | 7.43 (7.48) | 1 (1) | s (d) | (8.9 to B) |
| D | 7.43 (7.43) | 2 (2) | m (dd) | (5.5 to Fluor; 8.6 to E) |
| E | 7.14 (7.19) | 2 (2) | t (t) | 8.9 to Fluor/D (8.9 to Fluor/D) |
| B | (6.03) | (1) | (d) | (8.9 to A) |
| C | 4.59 (4.55) | 2 (2) | dd (s) | 2J 15.2 to C |
| I | 4.43 | 1 | dd | 4.3 to HB |
| 8.6 to HA | ||||
| F | 4.20 (4.22) | 2 (2) | q (q) | 6.7 to G (6.7) |
| K, N | 3.75 | 3 | m | |
| HB | 3.16 | 1 | dd | 2J 14.4 to HA |
| 4.3 to I | ||||
| HA | 2.97 | 1 | dd | 2J 14.4 to HB |
| 8.6 to I | ||||
| L | 2.49 | 2 | m | |
| M | 2.14 | 2 | m | |
| G | 1.33 (1.32) | 3 (3) | t (t) | 6.7 to F (6.7) |