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Issue 23, 2014
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Antibacterial activity of adamantyl substituted cyclohexane diamine derivatives against methicillin resistant Staphylococcus aureus and Mycobacterium tuberculosis

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Abstract

A series of forty two adamantyl based cyclohexane diamine derivatives were synthesized and the antibacterial activities of these compounds were assessed against 29 strains of methicillin resistant Staphylococcus aureus (MRSA) and a virulent strain of Mycobacterium tuberculosis. The compounds showed potent to moderate activity against MRSA while moderate to weak activity against the virulent strain of M. tuberculosis. The compound 8e showed the most potent activity against MRSA having minimum inhibitory concentration (MIC) values in the range of 8–64 μg mL−1 against 26 MRSA strains out of the 29 strains examined. It exhibited improved inhibitory activity compared to oxacillin. Compound 8i with an MIC value of 13.7 μM against M. tuberculosis, was bactericidal with rapid kill kinetics demonstrating a 4 log reduction in viability of M. tuberculosis within 7 days.

Graphical abstract: Antibacterial activity of adamantyl substituted cyclohexane diamine derivatives against methicillin resistant Staphylococcus aureus and Mycobacterium tuberculosis

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Supplementary files

Article information


Submitted
11 Jan 2014
Accepted
11 Feb 2014
First published
18 Feb 2014

RSC Adv., 2014,4, 11962-11966
Article type
Paper

Antibacterial activity of adamantyl substituted cyclohexane diamine derivatives against methicillin resistant Staphylococcus aureus and Mycobacterium tuberculosis

Beena, D. Kumar, W. Kumbukgolla, S. Jayaweera, M. Bailey, T. Alling, J. Ollinger, T. Parish and D. S. Rawat, RSC Adv., 2014, 4, 11962
DOI: 10.1039/C4RA00224E

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