Table 1 Preliminary antifungal activities in vitro of compounds 4a4k at 100 µg/mLa.

From: Design, synthesis, and antifungal activity of 14-aryloxy/amide substituted andrographolide derivatives

No.

Average inhibition rate ± SD (%) (n = 3) (100 µg/mL, 72 h)

FG

AS

AB

AA

CL

CG

FB

VM

PO

PP

Andro

20.5 ± 0.4

34.8 ± 1.0

25.8 ± 0.9

20.8 ± 0.6

33.5 ± 1.2

38.2 ± 0.4

36.8 ± 1.2

18.4 ± 0.0

28.9 ± 0.8

42.1 ± 0.2

4a

29.8 ± 1.7

44.2 ± 0.0

12.9 ± 2.0

27.8 ± 0.0

60.3 ± 1.6

29.0 ± 1.8

30.7 ± 1.5

21.9 ± 1.0

22.9 ± 1.0

25.9 ± 2.1

4b

43.6 ± 0.7

50.6 ± 1.7

53.8 ± 2.3

61.4 ± 1.9

38.4 ± 0.8

69.4 ± 1.1

41.4 ± 1.4

55.7 ± 2.3

27.0 ± 2.1

32.4 ± 0.0

4c

34.7 ± 0.7

48.0 ± 1.0

50.3 ± 2.0

50.8 ± 0.9

56.4 ± 0.8

67.7 ± 0.0

58.6 ± 0.8

38.7 ± 1.5

55.2 ± 1.1

35.8 ± 0.0

4d

71.2 ± 1.9

75.0 ± 1.0

62.4 ± 0.0

46.5 ± 0.0

56.9 ± 0.8

64.4 ± 1.9

65.6 ± 0.0

46.7 ± 0.9

55.4 ± 1.1

83.6 ± 0.0

4e

42.1 ± 0.7

46.2 ± 0.0

41.1 ± 1.1

45.4 ± 0.9

51.6 ± 1.5

53.8 ± 1.1

48.4 ± 0.0

38.2 ± 1.7

46.0 ± 1.1

40.9 ± 2.0

4f

34.3 ± 0.0

68.6 ± 2.0

40.4 ± 2.0

48.7 ± 0.9

70.2 ± 1.5

57.6 ± 2.2

38.1 ± 0.8

42.7 ± 1.5

41.7 ± 2.1

48.0 ± 1.7

4g

43.4 ± 1.4

45.1 ± 2.0

50.3 ± 2.0

44.3 ± 1.9

80.9 ± 0.8

70.9 ± 1.1

73.5 ± 0.8

53.8 ± 0.9

47.2 ± 1.1

49.1 ± 21.5

4h

26.9 ± 0.0

40.5 ± 2.0

9.3 ± 1.1

13.5 ± 0.9

52.4 ± 1.5

31.0 ± 4.4

19.1 ± 1.4

18.6 ± 1.5

20.9 ± 0.0

19.1 ± 1.0

4i

26.0 ± 0.7

37.0 ± 2.0

7.3 ± 1.1

12.4 ± 2.8

52.4 ± 1.5

32.3 ± 2.2

24.2 ± 0.8

26.6 ± 0.9

22.1 ± 2.1

12.9 ± 1.0

4j

31.0 ± 0.7

41.0 ± 3.0

11.3 ± 1.1

2.2 ± 0.9

12.4 ± 0.8

17.1 ± 2.2

14.0 ± 0.8

16.1 ± 1.7

6.7 ± 1.1

15.3 ± 0.0

4k

42.6 ± 1.4

86.5 ± 1.0

33.9 ± 3.0

22.7 ± 1.9

62.2 ± 1.5

44.6 ± 0.0

28.8 ± 0.0

38.7 ± 0.9

43.1 ± 1.1

40.0 ± 2.0

KXMb

60.9 ± 1.9

55.4 ± 2.5

60.9 ± 1.9

55.4 ± 2.5

60.9 ± 1.9

55.4 ± 2.5

60.9 ± 1.9

55.4 ± 2.5

60.9 ± 1.9

55.4 ± 2.5

  1. aFG F. graminearum, AS A. solani, AB A. brassicae, AA A. alternata, CL C. lunata, CG C. gloeosporioides, FB F. bulbigenum, VM V. mali, PO P. oryza, PP P. piricolabKXM commercial fungicide Kresoxim-methyl as the positive control.