Table 1.
Minimum inhibitory concentration and minimum fungicidal concentration of compounds 4a–g and 5a–g (MIC/MFC in µg/mL).
Compound | Structure | Fungal Species | |||||||
---|---|---|---|---|---|---|---|---|---|
C.a. | C.n. | A.fu. | A.fl. | A.n. | M.g. | T.r. | T.m. | ||
4a | ![]() |
125/250 | 62.5/125 | i | i | i | 31.25/31.25 | 31.25/31.25 | 31.25/31.25 |
4b | ![]() |
250/>250 | 125/125 | i | i | i | 62.5/125 | 62.5/125 | 62.5/125 |
4c | ![]() |
250/nf | 125/125 | i | i | i | 62.5/62.5 | 62.5/62.5 | 31.25/31.25 |
4d | ![]() |
i | 250/250 | i | i | i | 62.5/250 | 62.5/250 | 62.5/125 |
4e | ![]() |
i | i | i | i | i | i | i | i |
4f | ![]() |
i | 250/nf | i | i | i | 250/250 | 250/250 | 125/250 |
4g | ![]() |
i | 125/250 | i | i | i | 62.5/250 | 62.5/125 | 62.5/125 |
5a | ![]() |
i | 125/125 | i | i | i | 125/250 | 125/250 | 125/250 |
5b | ![]() |
i | 250/250 | i | i | i | i | i | i |
5c | ![]() |
i | 250/nf | i | i | i | 250/nf | 250/nf | 250/nf |
5d | ![]() |
i | i | i | i | i | i | i | i |
5e | ![]() |
i | i | i | i | i | i | i | i |
5f | ![]() |
i | i | i | i | i | i | i | i |
5g | ![]() |
i | i | i | i | i | i | i | i |
Amphotericin B | - | 0.78 | 0.25 | 0.50 | 0.50 | 0.50 | 0.12 | 0.07 | 0.07 |
Terbinafine | - | 0.50 | 0.25 | 0.12 | 0.50 | 0.25 | 0.05 | 0.02 | 0.02 |
Antifungal activity was determined with the microbroth dilution assay following the CLSI guidelines; i = MIC > 250 µg/mL; nf: not fungicide up to 250 µg/mL; C.a.: Candida albicans ATCC 10231; C.n.: Cryptococcus neoformans ATCC 32264; A.n.: Aspergillus niger ATCC 9029; A.fl.: Aspergillus flavus ATCC 9170; A.fu.: Aspergillus fumigatus ATCC 26934; M.g.: Microsporum gypseum CCC 115; T.r: Trichophyton rubrum CCC 110; T.m.: Trichophyton mentagrophytes ATCC 9972.