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Table 3 Antioxidant potential of compounds (3ak and 3lp) by DPPH radical scavenging activity

From: Palladium(0) catalyzed Suzuki cross-coupling reaction of 2,5-dibromo-3-methylthiophene: selectivity, characterization, DFT studies and their biological evaluations

Entry Compounds no Percentage inhibition at 50 µg/ml
1 3a 33.4 ± 0.29
2 3b 23.9 ± 0.31
3 3c 37.5 ± 0.42
4 3d 48.2 ± 0.42
5 3e 38.5 ± 0.42
6 3f 39.2 ± 0.42
7 3g 82.0 ± 0.78
8 3h ***
9 3i 28.9 ± 0.45
10 3j 81.3 ± 0.72
11 3k 21.9 ± 0.32
12 3l 86.0 ± 0.73
13 3m 1.19 ± 0.02
14 3n 40.9 ± 0.21
15 3o 15.1 ± 0.21
16 3p 30.9 ± 0.29
17 Ascorbic acid 100 ± 0.99
  1. *** Showed no activity. The results are average ± SD of triplicate experiments p < 0.05