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. 2020 Oct 14;5(42):27572–27581. doi: 10.1021/acsomega.0c04144

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