Table 6. Rate Constants (M–1·s–1) of the HAT Reaction between the Selected Compounds with HOO•.
| symbol | reaction with HOO• | kbenzene | kA/kref | kB/kref | kC/kref | kD/kref |
|---|---|---|---|---|---|---|
| PhozNH: | ||||||
| A (Y = OCH3) | A | 1.3 × 107 | ||||
| B (Y = NH2) | B | 1.7 × 107 | ||||
| PhtzNH: | ||||||
| C (Y = OCH3) | C | 6.2 × 104 | ||||
| D (Y = NH2) | D | 7.8 × 104 | ||||
| reference antioxidant compounds | trolox35 | 3.40 × 103 | 3823 | 5000 | 18 | 23 |
| ascorbic acid35 | 5.71 × 103 | 2277 | 2977 | 11 | 14 | |
| α-tocopherol36 | 1.6 × 105 | ∼82 | 106 | ∼0.4 | ∼0.5 | |
| dopamine37 | 8.16 × 105 | ∼16 | ∼21 | ∼0.08 | ∼0.1 |