Table 2. In Vitro Antifungal Activity of the Target Compounds 5a–5v.
| relative inhibitory rate (%) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| compounds | R | P. piricola | G. zeae | C. arachidicola | A. solani | F. oxysporum f. sp. Cucumerinum | C. orbiculare | B. maydis | R. solani |
| 5a | o-I Ph | 97.5 | 67.1 | 58.1 | 72.1 | 76.0 | 80.5 | 65.0 | 44.1 |
| 5b | 2,4-OH Ph | 70.4 | 52.9 | 69.3 | 68.6 | 44.0 | 41.8 | 40.0 | 73.5 |
| 5c | o-OH Ph | 42.9 | 70.7 | 69.7 | 54.8 | 65.3 | 46.4 | 57.5 | 14.7 |
| 5d | p-OCH3 Ph | 80.8 | 45.7 | 69.3 | 51.4 | 56.8 | 62.3 | 57.5 | 18.2 |
| 5e | o-Br Ph | 74.6 | 56.4 | 61.9 | 58.3 | 67.4 | 55.5 | 60.0 | 0 |
| 5f | p-Br Ph | 51.7 | 52.9 | 54.4 | 51.4 | 48.3 | 48.6 | 45.0 | 41.8 |
| 5g | p-F Ph | 80.8 | 52.9 | 58.1 | 47.9 | 50.4 | 53.2 | 60.0 | 26.5 |
| 5h | o-F Ph | 53.8 | 70.8 | 54.4 | 51.4 | 48.3 | 50.9 | 42.5 | 0 |
| 5i | o-CF3 Ph | 51.3 | 70.7 | 61.9 | 54.8 | 65.3 | 41.8 | 60.0 | 22.9 |
| 5j | o-NO2 Ph | 87.1 | 52.9 | 54.4 | 54.8 | 56.8 | 55.5 | 55.0 | 0 |
| 5k | o-Cl Ph | 47.4 | 70.7 | 65.6 | 72.1 | 39.8 | 62.3 | 52.5 | 0 |
| 5l | m-Cl Ph | 55.8 | 74.3 | 50.7 | 54.8 | 58.9 | 57.7 | 55.0 | 0 |
| 5m | p-Cl Ph | 47.5 | 70.7 | 58.1 | 44.5 | 58.9 | 48.6 | 60.0 | 0 |
| 5n | p-CH3 Ph | 76.3 | 38.6 | 39.6 | 47.9 | 56.8 | 50.9 | 50.0 | 31.2 |
| 5o | o-CH3 Ph | 62.1 | 56.4 | 50.7 | 54.8 | 52.6 | 53.2 | 50.0 | 0 |
| 5p | p-CH2OH Ph | 56.4 | 56.4 | 69.3 | 54.8 | 37.7 | 46.4 | 35.0 | 20.6 |
| 5q | p-C(CH3)3 Ph | 32.9 | 70.7 | 61.9 | 51.4 | 35.5 | 30.5 | 32.5 | 0 |
| 5r | Ph | 45.4 | 74.3 | 50.7 | 51.4 | 35.5 | 37.3 | 27.5 | 0 |
| 5s | CH3 | 97.5 | 60.0 | 58.1 | 61.7 | 44.0 | 46.4 | 32.5 | 0 |
| 5t | CH2 Ph | 70.0 | 70.7 | 65.6 | 44.5 | 50.4 | 53.2 | 45.0 | 0 |
| 5u | CH2CN | 46.7 | 60.0 | 50.7 | 61.7 | 50.4 | 44.1 | 40.0 | 0 |
| 5v | α-furyl | 45.4 | 35.0 | 58.1 | 51.4 | 50.4 | 46.4 | 40.0 | 14.7 |
| chlorothalonil | 92.9 | 58.3 | 94.4 | 45.0 | 91.7 | 75.0 | 81.8 | 96.3 | |