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. 2018 Aug 23;23(9):2116. doi: 10.3390/molecules23092116

Table 2.

Bioactivity of compounds (4a4x and 8a8n) through growth inhibition method (inhibition rate %, herbicide activity at 500 mg/L and fungicide activity at 50 mg/L).

Compound Substituent Group Herbicidal Activity Fungicide Activity
R X Brassica campestris Echinochloca crus-galli C. arachidicola B. cinerea G. zeae S. sclerotiorum R. cerealis P. sasakii
Root Stem Root Stem
4a 7-ethoxybenzofuran / 0 0 0 0 46.24 ± 1.63 30.24 ± 2.94 19.18 ± 1.63 97.18 ± 2.16 0 39.65 ± 4.32
4b pyridin-2-yl / 0 0 4.15 ± 1.63 0 31.24 ± 1.63 50.95 ± 0.82 26.34 ± 3.56 85.35 ± 2.94 9.46 ± 1.41 43.96 ± 2.16
4c pyridin-3-yl / 31.30 ± 2.16 6.12 ± 1.63 14.24 ± 2.45 25.59 ± 2.45 8.57 ± 1.41 0 19.57 ± 1.63 96.09 ± 2.94 9.94 ± 3.74 30.28 ± 1.41
4d pyridin-4-yl / 43.12 ± 5.35 0 26.32 ± 2.94 10.37 ± 1.41 31.36 ± 2.16 21.28 ± 0.82 26.02 ± 0.82 98.12 ± 1.63 9.42 ± 7.12 0
4e 6-CF3-pyridin-2-yl / 0 0 73.85 ± 9.27 36.22 ± 1.41 27.97 ± 1.63 60.43 ± 0.82 43.86 ± 2.16 81.39 ± 1.63 14.97 ± 2.16 28.66 ± 3.56
4f thiophene-2-yl / 0 0 0 0 46.52 ± 1.41 35.28 ± 1.63 37.56 ± 1.41 73.92 ± 3.56 39.38 ± 7.12 63.17 ± 1.63
4g furan-2-yl / 27.21 ± 3.74 0 25.24 ± 1.41 10.26 ± 2.16 42.30 ± 2.16 33.37 ± 0.82 65.26 ± 5.89 100 17.49 ± 2.83 52.28 ± 2.94
4h Ph / 0 0 23.32 ± 4.32 7.15 ± 2.94 31.61 ± 0.82 70.29 ± 0.82 30.15 ± 0.82 100 9.28 ± 4.32 0
4i 2-CF3-Ph / 0 0 0 0 15.23 ± 2.83 50.49 ± 0.82 22.50 ± 8.29 96.01 ± 2.83 0 0
4j 3-CF3-Ph / 0 0 22.18 ± 3.74 5.18 ± 2.16 23.06 ± 0.82 30.58 ± 2.94 15.35 ± 1.63 100 4.55 ± 1.41 43.09 ± 6.98
4k 4-CF3-Ph / 17.02 ± 1.63 0 0 0 8.41 ± 0.82 50.09 ± 1.63 26.64 ± 1.41 100 9.37 ± 8.52 33.17 ± 2.45
4l 3-F-Ph / 19.65 ± 2.94 23.11 ± 1.41 0 0 46.52 ± 2.94 55.98 ± 1.63 41.53 ± 2.16 96.94 ± 1.63 0 33.92 ± 10.2
4m 4-F-Ph / 71.14 ± 1.63 45.20 ± 3.56 61.25 ± 2.45 35.38 ± 4.32 0 30.94 ± 2.94 4.29 ± 3.56 96.37 ± 2.83 9.25 ± 1.63 22.40 ± 3.27
4n 2-F-Ph / 69.30 ± 2.94 22.45 ± 2.94 12.14 ± 2.94 0 31.61 ± 0.82 50.37 ± 0.82 59.58 ± 2.45 94.38 ± 3.74 9.34 ± 2.94 52.38 ± 5.89
4o 2-Cl-Ph / 19.08 ± 3.27 8.18 ± 3.74 21.15 ± 1.63 5.15 ± 2.94 36.99 ± 2.16 40.29 ± 0.82 57.30 ± 5.35 93.28 ± 2.45 23.36 ± 2.16 24.19 ± 2.94
4p 3-Cl-Ph / 0 0 0 0 27.16 ± 1.63 45.38 ± 2.16 43.91 ± 0.82 71.30 ± 0.82 14.63 ± 2.94 20.28 ± 0.82
4q 4-Cl-Ph / 32.25 ± 3.60 57.14 ± 3.56 6.18 ± 2.16 0 27.12 ± 3.56 50.49 ± 4.08 48.64 ± 1.41 69.07 ± 4.97 18.28 ± 2.45 8.07 ± 2.16
4r 2,6-F2-Ph / 59.66 ± 3.27 40.02 ± 2.16 0 0 36.35 ± 1.41 60.38 ± 0.82 24.28 ± 0.82 64.32 ± 1.41 18.91 ± 11.43 20.59 ± 2.94
4s 2,4-Cl2-Ph / 60.29 ± 1.63 25.30 ± 2.16 2.92 ± 2.16 0 18.81 ± 0.82 65.94 ± 1.63 29.17 ± 1.63 79.59 ± 4.32 14.28 ± 5.72 24.94 ± 1.63
4t PhOCH2CH2 / 54.48 ± 2.94 41.01 ± 2.45 33.45 ± 4.32 10.18 ± 4.32 55.49 ± 2.94 50.28 ± 2.16 48.61 ± 1.41 62.27 ± 5.72 36.97 ± 3.56 32.97 ± 0.82
4u 2,4-Cl2-PhOCH2CH2 / 66.70 ± 0.82 73.15 ± 2.83 83.52 ± 2.16 55.26 ± 2.45 27.61 ± 0.82 65.37 ± 0.82 62.28 ± 1.63 50.38 ± 2.94 36.29 ± 2.94 12.08 ± 2.94
4v 4-NO2-Ph / 25 ± 2.45 0 0 0 36.35 ± 1.63 55.28 ± 1.63 43.09 ± 1.41 69.29 ± 2.45 14.52 ± 1.41 28.33 ± 3.74
4w 4-MeO-Ph / 0 0 58.24 ± 2.45 33.23 ± 2.16 45.19 ± 1.63 75.68 ± 2.94 30 ± 2.45 79.21 ± 1.41 23.88 ± 2.16 12.28 ± 2.16
4x cyclopropyl / 0 11.04 ± 1.63 26.40 ± 4.24 10.12 ± 2.16 64.56 ± 2.94 70.64 ± 1.63 33 ± 0.82 79.28 ± 3.27 23.34 ± 3.74 32.17 ± 0.82
8a 3-CF3-Ph H 53.15 ± 3.56 17.10 ± 2.16 9.20 ± 3.27 20.02 ± 6.48 47.89 ± 4.97 25.28 ± 4.32 37.17 ± 0.82 85.59 ± 3.56 24.09 ± 2.16 39.16 ± 4.08
8b 3-Cl-Ph H 56.22 ± 1.63 41.24 ± 2.16 47.48 ± 1.63 16.65 ± 3.74 40.39 ± 0.82 58.46 ± 0.82 40.76 ± 1.41 98.03 ± 1.63 10.29 ± 2.94 43.24 ± 3.56
8c PhOCH2CH2 H 73.27 ± 2.94 60.55 ± 1.41 38.17 ± 3.56 10.15 ± 1.63 53.19 ± 2.16 67.35 ± 1.41 43.16 ± 0.82 93.49 ± 2.16 19.87 ± 4.32 35.49 ± 1.63
8d 2,4-Cl2-PhOCH2CH2 H 76.25 ± 0.82 29.58 ± 2.16 21.18 ± 4.08 5.47 ± 4.32 27.18 ± 1.63 55.88 ± 1.63 40.25 ± 0.82 76.58 ± 2.16 5.24 ± 1.63 24.28 ± 1.41
8e 4-MeO-Ph H 27.49 ± 2.16 13.22 ± 2.83 43.54 ± 5.89 31.24 ± 4.55 18.49 ± 2.83 50.92 ± 0.82 57.28 ± 6.53 76.19 ± 2.16 9.91 ± 1.41 16.57 ± 2.16
8f 6-CF3-pyridin-2-yl H 31.54 ± 3.74 0 21.40 ± 1.41 5.18 ± 1.63 36.48 ± 3.74 55.38 ± 0.82 38.66 ± 3.74 71.49 ± 0.82 27.28 ± 3.74 36.39 ± 3.56
8g 3-CF3-Ph CF3 52.22 ± 6.48 19.44 ± 4.24 15 ± 2.94 0 27.18 ± 1.63 54.19 ± 0.82 69.19 ± 1.63 93.38 ± 2.16 0 35.02 ± 0.82
8h PhOCH2CH2 CF3 82.48 ± 7.26 72.25 ± 4.55 41.15 ± 1.63 11.08 ± 4.08 27.19 ± 1.41 25.28 ± 2.16 37.17 ± 2.94 95.06 ± 3.74 19.21 ± 2.83 26.89 ± 3.56
8i 3-Cl-Ph CF3 48.47 ± 2.94 26.15 ± 2.16 8.18 ± 2.16 0 27.49 ± 3.27 50.94 ± 2.16 62.91 ± 8.83 74.15 ± 1.41 0 24.34 ± 2.83
8j 2-Cl-Ph CF3 35.26 ± 4.32 40.25 ± 2.16 20.18 ± 2.16 1.08 ± 0.82 36.52 ± 1.63 20.35 ± 1.41 37.09 ± 2.45 74.27 ± 1.41 14.19 ± 1.63 20.28 ± 9.42
8k 4-Cl-Ph CF3 18.30 ± 2.94 29.02 ± 2.45 3.24 ± 1.41 0 9.87 ± 1.41 50.97 ± 2.16 24.28 ± 0.82 83.59 ± 4.55 23.28 ± 1.41 24.19 ± 2.45
8l 4-NO2-Ph CF3 2.19 ± 1.41 0 3.20 ± 2.16 9.20 ± 3.56 27.91 ± 3.27 65.97 ± 0.82 38.17 ± 3.56 57.14 ± 2.94 27.09 ± 4.55 20.28 ± 1.41
8m 4-MeO-Ph CF3 12.18 ± 2.94 11.15 ± 3.27 44.18 ± 2.16 13.30 ± 2.45 45.49 ± 1.63 60.68 ± 1.63 62.29 ± 0.82 52.79 ± 7.35 14.68 ± 1.41 16.47 ± 2.16
8n 6-CF3-pyridin-2-yl CF3 4.24 ± 2.94 2.99 ± 2.16 0 0 9.35 ± 2.16 50.94 ± 2.16 38.89 ± 4.55 67.29 ± 8.04 9.53 ± 2.94 36.35 ± 2.16
ZINC12007063 / / 78.48 ± 2.16 63.22 ± 2.83 66.18 ± 2.16 61.18 ± 3.27 17.29 ± 3.56 24.35 ± 0.82 16.21 ± 1.41 63.94 ± 3.56 36.27 ± 2.16 13.02 ± 1.63
Atrazine / / 96.54 ± 1.63 92.45 ± 4.32 92.62 ± 4.32 90.23 ± 2.83 / / / / / /
Azoxystrobin / / / / / / 56.49 ± 1.41 71.29 ± 1.63 75.19 ± 2.16 100 88.10 ± 1.41 84.34 ± 2.45

Note: Representative fungi used in this study included B. cinereal, C. arachidicola, G. zeae, P. sasakii, S. sclerotiorum, and R. cerealis; “/” means that which is not detected or non-existent.