Table 2.
Antioxidant activity of the target compounds 6a-j and quercetin.
| Entry | Ar | Inhibition%a ± SEMb | EC50 (μM) | Entry | Ar | Inhibition%a ± SEMb | EC50 (μM) |
|---|---|---|---|---|---|---|---|
| 6a |  |
90.06 ± 3.75 | 2.21 ± 4.01 | 6g |  |
44.20 ± 2.41 | >400 |
| 6b |  |
84.64 ± 2.68 | 17.49 ± 4.01 | 6h |  |
44.55 ± 0.91 | >400 |
| 6c |  |
48.06 ± 2.25 | >400 | 6i |  |
67.65 ± 0.85 | 173.78 |
| 6d |  |
35.16 ± 1.37 | >400 | 6j |  |
68.59 ± 1.14 | 142.23 ± 4.01 |
| 6e |  |
19.59 ± 1.76 | >400 | Quercetin | - | – | 8.98 ± 0.05 |
| 6f |  |
35.01 ± 5.71 | >400 |
a
Values for tested compounds and quercetin were measured at 400 μM.
b
Values for 3 repetitions of the experiment.