Journal of Chemistry

Research Article

Microwave-Assisted Synthesis, Characterization, Antimicrobial and Antioxidant Activity of Some New Isatin Derivatives

Table 3

Antioxidant activity of synthesized compounds.
S. NoCompoundIC50 (μg/mL)* DPPHIC50 (μg/mL) H2O2
1.3a 5 7 . 4 0 ± 0 . 1 1 6 6 . 3 5 ± 0 . 0 8
2.3b 3 9 . 6 2 ± 0 . 0 6 4 8 . 4 3 ± 0 . 1 2
3.3c 4 1 . 6 6 ± 0 . 3 3 4 0 . 1 ± 0 . 0 5
4.3d 5 0 . 6 7 ± 0 . 0 5 5 6 . 3 ± 0 . 0 5
5.3e 3 2 . 4 3 ± 0 . 1 2 3 2 . 5 6 ± 0 . 0 3
6.3f 5 6 . 8 ± 0 . 0 5 6 2 . 4 ± 0 . 0 5
7.3g 5 8 . 7 ± 0 . 0 8 6 8 . 1 6 ± 0 . 0 8
8.3h 3 8 . 7 ± 0 . 1 5 3 7 . 4 ± 0 . 1 5
9.3i 4 7 . 6 ± 0 . 1 4 5 1 . 8 5 ± 0 . 3 1
10.3j 2 0 . 3 1 ± 0 . 0 6 2 4 . 4 2 ± 0 . 0 6
11.3k 5 3 . 0 ± 0 . 5 7 6 1 . 3 3 ± 0 . 0 8
12.3l 3 0 . 6 2 ± 0 . 2 1 3 1 . 3 0 ± 0 . 0 5
13.3m 3 2 . 2 4 ± 0 . 1 1 3 1 . 3 6 ± 0 . 0 8
14.3n 2 6 . 5 6 ± 0 . 1 2 2 6 . 6 2 ± 0 . 1 1
15.Ascorbic acid 1 8 . 5 5 ± 0 . 0 5 2 1 . 8 3 ± 0 . 0 8
∗ 𝑛 = 3 values are expressed in mean  ±  S.E.M.