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Keywords: Chalcone , Ciprofloxacin , B. subtilis , Escherichia coli , S. aureus.

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Chalcone is an aromatic ketone that forms the central core for the variety of important biological compounds, which are collectively known as chalcones. The derivatives of chalcones with an annular nitrogen atom in the phenyl ring were reported to have a wide range of biologically activities, such as antibacterial, anti-tuberculostatic and anti- inflammatory. The chalcones, two aromatic rings are linked by an aliphatic three carbon chain which bears a very good synthon so that variety of novel heterocyclics with good pharmaceutical profile can be designed. Chalcones have been considered as a magic moiety possessing myriad spectrum of medicinal activities. Diversity of biological response profile has attracted considerable interest of several researchers across the globe to explore this skeleton for its assorted therapeutic significance. The synthesized chalcone derivatives were screened for antimicrobial activity by comparing with the standard drug of ciprofloxacin on two gram positive and two gram negative strains, the synthesized compounds, by using Disc-diffusion method. Chalcone is a lead nucleus for future developments to get effective compounds.


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