Add time:08/23/2019         Source:sciencedirect.com

A series of 2-(2,4-difluorophenyl)-2-hydroxy-3-(1H-1,2,4-triazol-1-yl)propyl dithiocarbamates as new analogs of fluconazole were synthesized and their antifungal activities were evaluated. Among these compounds, 2a–f and 3a–q exhibited higher activities than fluconazole against nearly all fungi tested except Aspergillus fumigatus. Noticeably, the in vitro biological activities of 2b, 3a, 3c, 3h–k, and 3o–q against Candida species were much better than those of fluconazole and ketoconazole. Also, 2a–d, 3a–d, 3e–f, 3h–k, 3p and 3q showed higher activities against A. fumi than fluconazole. Computational docking experiments indicated that the inhibition of CYP51 involved a coordination bond with iron of the heme group, the hydrophilic H-bonding region, the hydrophobic region, and the narrow hydrophobic cleft.

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