Table 23 Antioxidant activity of the synthesized derivatives (63a-h) Subramaniam et al. [43]

63a

2.54

8.47

14.61

20.97

27.86

33.36

42.37

45.12

51.58

56.25

63b

2.11

10.06

19.17

29.34

33.15

40.57

48.62

52.43

62.5

69.70

63c

1.80

10.48

17.05

25.42

33.30

40.57

48.19

55.82

65.36

71.61

63d

1.37

7.41

15.14

20.65

27.33

33.89

39.72

47.35

51.37

59.42

63e

1.80

6.88

14.83

21.29

27.22

33.47

40.25

47.98

51.48

57.83

63f

7.94

21.5

34.32

46.29

59.11

71.61

84.53

97.35

97.98

98.83

63 g

12.71

27.54

40.99

55.40

73.83

84.21

93.53

94.91

95.65

96.71

63 h

10.91

22.77

37.07

51.16

65.14

68.32

89.72

92.37

92.69

95.85

Standard

Concentration (μg/ml)

01

02

03

04

05

06

07

08

09

10

Ascorbic acid

8.76

15.34

26.08

37.65

41.23

59.29

67.43

76.53

80.21

87.76