Abstract
Synthesis of a number of 2-cyano-4-oxo-3-phenyl-3,4-dihydro-2H-furo[3,2-c]chromene-2-carboxylate compounds (5) have been accomplished by a simple, multicomponent one pot reaction and evaluated for in vitro antimicrobial activity against different Gram-positive and Gram-negative bacterial strains. The outcome of the screening study showed that compound 5c exhibited promising activity against Micrococcus luteus MTCC 2470 and Klebsiella planticola MTCC 530. Whereas, compound 5g exhibited excellent activity against Bacillus subtilis MTCC 121, Micrococcus luteus MTCC 2470, Klebsiella planticola MTCC 530, Escherichia coli MTCC 739 and displayed a moderate activity against Staphylococcus aureus MTCC 96 and Candida albicans MTCC 3017 when compared with Ciprofloxacin (standard control).
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