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A Study of Fluorinated β-Nitrostyrenes as Antimicrobial Agents
Health Innovations Research Institute & School of Applied Sciences, RMIT University, Melbourne, 3001 Australia
* Author to whom correspondence should be addressed.
Received: 23 January 2012; in revised form: 10 February 2012 / Accepted: 14 February 2012 / Published: 23 February 2012
Abstract: The effect of variously fluorine-substituted β-methyl-β-nitrostyrenes on their antimicrobial activity was investigated. Their efficacy was determined by minimum inhibition concentration (MIC) in cultures of Gram positive and Gram negative bacteria and a fungus. Highest activity against the Gram negative bacterium, E.coli, was achieved with 4-fluorine-aryl substituted β-methyl-β-nitrostyrenes, while most compounds gave excellent results against gram positive bacteria. Importantly, the addition of the β-methyl group profoundly enhanced the antibacterial activity of the compounds tested. The comparative KD values for the most potent compounds against E.coli were much lower than those required for the gram positive and fungus counterparts. This investigation illustrated that fluorine substituted nitropropenylarenes have enhanced antimicrobial activity suitable for antibiotic applications.
Keywords: antimicrobial agents; Henry reaction; fluoro-β-methyl-β-nitrostyrenes; MIC; partition coefficients; log P values
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MDPI and ACS Style
Lo, K.; Cornell, H.; Nicoletti, G.; Jackson, N.; Hügel, H. A Study of Fluorinated β-Nitrostyrenes as Antimicrobial Agents. Appl. Sci. 2012, 2, 114-128.
Lo K, Cornell H, Nicoletti G, Jackson N, Hügel H. A Study of Fluorinated β-Nitrostyrenes as Antimicrobial Agents. Applied Sciences. 2012; 2(1):114-128.
Lo, King; Cornell, Hugh; Nicoletti, Gina; Jackson, Neale; Hügel, Helmut. 2012. "A Study of Fluorinated β-Nitrostyrenes as Antimicrobial Agents." Appl. Sci. 2, no. 1: 114-128.