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In the search for new antimicrobial and anticancer agents, a series of (aryl/heteroaryl-piperazino-alkyl)-substituted derivatives of benzo[ b]furans were prepared. All compounds were characterized by 1H NMR, 13C NMR, ESI-MS spectra and elemental analyses. Most of the investigated compounds had no antimicrobial activity (MIC > 512 mg/L) except for 2l, 2m and 2o, which showed activity against Candida albicans. None of the tested compounds showed significant anticancer activity in K562 and HeLa cells. [ABSTRACT FROM AUTHOR]

Five aminoalkyl 1 H-benzo[ de]isoquinoline-1,3(2 H)-diones were synthesized and evaluated for antimicrobial activity. Microorganisms used in this study included aerobic and facultative anaerobic bacteria Staphylococcus aureus, Escherichia coli and Stenotrophomonas maltophilia, and obligatory anaerobes Bacteroides fragilis, Bacteroides thetaiotaomicron and Propionibacterium acnes. Moreover, Candida albicans yeast was used. The minimum inhibitory concentration (MIC) was determined for the test compounds. Among the tested derivatives, two compounds 1 and 2 have shown the most potent antibacterial as well as antifungal activities. [ABSTRACT FROM AUTHOR]