Abstract
5-Arylamino-4,7-dioxobenzo[b]thiophenes 3–6 were synthesized and tested for in vitro antifungal activity against Candida and Aspergillus species. 5-Arylamino-6-chloro-2-(methoxycarbonyl)-4,7-dioxobenzo[b]thiophenes 5 showed, in general, more potent antifungal activity against Candida species than the other 4,7-dioxobenzo[b]thiophenes 3, 4 and 6. The results suggest that 5-arylamino-4,7-dioxobenzo[b]thiophenes would be potent antifungal agents.
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