New pyrazoline derivatives bearing an oxadiazole moiety were synthesized via the reaction of 1-(chloroacetyl)-3-(2-furyl/thienyl)-5-aryl-2-pyrazolines with 5-substituted-1,3,4-oxadiazole-2(3H)-thiones in the presence of potassium carbonate. Compounds 1 – 32 were screened for their antifungal activity against various Candida species and compared with ketoconazole. Among these compounds, the most effective derivatives were evaluated for their cytotoxicity against NIH/3T3 cells. 2-({2-[5-(4-Bromophenyl)-3-(2-furyl)-4,5-dihydro-1H-pyrazol-1-yl]-2-oxoethyl}thio)-5-(2-cyclopentylethyl)-1,3,4-oxadiazole (23) can be identified as the most potent antifungal agent against C. tropicalis due to its inhibitory effect on C. tropicalis and low toxicity to NIH/3T3 cells.
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This study was supported by Anadolu University Scientific Research Projects Commission under the grant no. 1001S41.
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Özdemir, A., Altıntop, M.D., Kaplancıklı, Z.A. et al. Synthesis and Biological Evaluation of a New Series of Pyrazolines as New Anticandidal Agents. Pharm Chem J 48, 603–612 (2014). https://doi.org/10.1007/s11094-014-1158-8
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DOI: https://doi.org/10.1007/s11094-014-1158-8