TABLE 1
1H NMR spectroscopy data for TBZ, 5-OHTBZ, and M5
 |  |  | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Proton | Chemical Shift | J | Chemical Shift | J | Chemical Shift | J | ||||
| ppm | Hz | ppm | Hz | ppm | Hz | |||||
| a | 9.15 (d, 1H) | 2.01 | 9.2 (d, 1H) | 2.01 | 9.15 (s, 1H) | |||||
| b | 8.23 (d, 1H) | 2.01 | 8.25 (d, 1H) | 2.01 | 8.37 (s, 1H) | |||||
| c | 7.30 (m, 4H) | 7.5 (d, 1H) | 9.0 | 7.51 (d, 1H) | 9.0 | |||||
| d | 7.30 (m, 4H) | 6.83 (d, 1H) | 9.0 | 6.94 (d, 1H) | 9.0 | |||||
| e | 7.30 (m, 4H) | |||||||||
| f | 7.30 (m, 4H) | 7.3 (d) | ||||||||
| g | 7.30 (m, 4H) | 4.56 (s, 2H) | ||||||||
| h | 3.95 (m, 1H) | |||||||||
| i | N.D. | |||||||||
| j | 2.51 (m, 2H) | |||||||||
| k | 2.06 (m, 2H) | |||||||||
| l | 3.55 (t, 1H) | 7.0 | ||||||||
| m | 1.10 (d, 6H) | 6.0 | ||||||||
| n | 1.10 (d, 6H) | 6.0 | ||||||||
| o |
|
|
|
| 3.8 (m, 1H) | 6.0 | ||||
-
N.D., the chemical shift for the resonance signal for the proton i in the NMR spectrum coincided with the resonance signal of water molecule and hence was not observed.