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K Martinek A V Levashov V L Ruba?lo S D Varfolomeev I V Berezin 《Biokhimii?a (Moscow, Russia)》1970,35(6):1207-1215
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New series of pyrazoles 4a – c and pyrazolopyrimidines 5a – f had been constructed. The newly synthesized compounds were assessed for their antimicrobial activity towards E. coli and P. aeruginosa (gram –ve bacteria), B. subtilis and S. aureus (gram +ve bacteria) and A. flavus and C. albicans (representative of fungi). The pyrazolylpyrimidine-2,4-dione derivative 5b is the most active candidate against B. subtilis (MIC=60 μg/mL) and P. aeruginosa (MIC=45 μg/mL). Regarding antifungal potential, compound 5f was the most effective against A. flavus (MIC=33 μg/mL). Similarly, compound 5c displayed strong antifungal activity towards C. Albicans (MIC=36 μg/mL) in reference to amphotericin B (MIC=60 μg/mL). Finally, the novel compounds had been docked inside dihydropteroate synthase (DHPS) to suggest the binding mode of these compounds. 相似文献