Synthesis and antimicrobial activity of some 2-(benzo[d]oxazol/benzo[d]imidazol-2-ylthio)-N-(9H-fluoren-9-yl)acetamide derivatives

Abstract

Some 2-(benzo[d]oxazol/benzo[d]imidazol-2-ylthio)-N-(9H-fluoren-9-yl)acetamide derivatives were synthesized by reacting 9-(chloroacetylamino)fluorene with benzo[d]oxazol/benzo[d]imidazol-2-thiole in acetone in the presence of K2CO3. Chemical structures of the compounds were elucidated by H-1 NMR spectroscopy and FAB(+) mass spectrometty. Their antimicrobial activities against Micrococcus luteus (NRLL B-4375), Bacillus cereus (NRRL B-3711), Proteus vulgaris (NRRL B-123), Salmonella typhimurium (NRRL B-4420), Staphylococcus aureus (NRRL B-767), Escherichia coli (NRRL B-3704), Candida albicans, and Candida glabrata were investigated, and significant activity was observed.