Table 1.
Chemical structures of compounds 21–46 and their antifungal activities.

| Compd. | R1 | R2 | Ar | Antifungal Activity MIC (μg/mL) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C. albicans ATCC 90028 | C. albicans 205 | C. albicans 64110 | C. krusei ATCC 6528 | C. tropicalis 657 | C. Glabrata 923 | C. Glabrata 186 | C. parapsilosis 27 | ||||
| 21 | H | 4-NO2 | phenyl | >128 | >128 | >128 | >128 | >128 | 8 | 16 | >128 |
| 22 | H | 2-NO2 | phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 23 | H | 4-F | phenyl | 32 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 24 | H | 4-Br | phenyl | 2 | >128 | >128 | >128 | >128 | 4 | 4 | 16 |
| 25 | H | 4-MeO | phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 26 | H | 2,4-diCl | phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 27 | 4,5-diCl | 4-Br | phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 28 | 4-CH3 | 4-Br | phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 29 | H | 4-Br | 4-Br-phenyl | 8 | >128 | >128 | >128 | 2 | 4 | 4 | 2 |
| 30 | H | 4-Br | 4-Cl-phenyl | 2 | >128 | >128 | 32 | 4 | 8 | 8 | >128 |
| 31 | H | 4-Br | 4-F-phenyl | 0.5 | 4 | 8 | 8 | 2 | 2 | 2 | 4 |
| 32 | H | 4-Br | 4-Me-phenyl | 2 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 33 | H | 4-Br | 4-MeO-phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 34 | H | 4-Br | 4-CN-phenyl | 2 | >128 | >128 | >128 | 4 | 1 | 1 | 4 |
| 35 | H | 4-Br | 2,4-diCl-phenyl | 2 | >128 | >128 | >128 | 2 | >128 | >128 | 4 |
| 36 | H | 4-Br | 3,4-diF-phenyl | 2 | >128 | >128 | 32 | 16 | 8 | 8 | 16 |
| 37 | H | 4-Br | 3-Cl-4-F-phenyl | >128 | >128 | >128 | >128 | >128 | 32 | 32 | >128 |
| 38 | H | 4-Br | 3-Br-4-F-phenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 39 | H | 4-Br | 2,4-diF-phenyl | 0.5 | >128 | 64 | 64 | 16 | 32 | 32 | 8 |
| 40 | H | 4-Br | 2-NO2-4-F-phenyl | 8 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 41 | H | 4-Br | 1,1'-biphenyl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 42 | H | 4-Br | pyridin-2-yl | 4 | 8 | 8 | 32 | 2 | 4 | 8 | 8 |
| 43 | H | 4-Br | 5-F-pyridin-2-yl | 4 | 32 | 64 | 8 | 2 | 64 | 64 | 1 |
| 44 | H | 4-Br | furan-2-yl | >128 | >128 | >128 | >128 | >128 | >128 | >128 | >128 |
| 45 | ![]() |
8 | 128 | 128 | 128 | 128 | 128 | 128 | 32 | ||
| 46 | ![]() |
0.25 | 64 | 128 | 16 | 8 | 32 | 32 | 8 | ||
| Fluconazole | 0.5 | 8 | >128 | 32 | 16 | 32 | 32 | 1 | |||

