Design, Synthesis and Antibacterial Activities of New Azo-compounds: An Experimental and a Computational Approach

Author(s): Jamshaid Ashraf, Ehsan Ullah Mughal*, Shahzad Murtaza, Amina Sadiq, Sheraz Ahmad Khan Tanoli, Amara Mumtaz, Abdul Hameed, Khalid Mohammed Khan, Ishtiaq Ahmed, Bilal Khalid, Asif Javid.

Journal Name: Letters in Drug Design & Discovery

Volume 14 , Issue 10 , 2017

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Abstract:

Introduction: Azo-compounds, with the general formula R-N=N-R' (where R and R' can be either aryl or alkyl groups), constitute an important class of organic dyes. Over the past decades, these compounds have attained increasing attention of the scientific community because of their immense biological as well as industrial applications.

Methodology: A series of new azo-compounds was prepared starting from 4-aminophenol and 4- methoxyaniline under standard conditions. The synthesized compounds were investigated for their potential as antibacterial agents. The bacterial strains used were Escherichia coli, Streptococcus pyrogenes, Shigellasonnei, Neisseria gonorrhoeae and Staphylococcus aureus.

Results and Discussion: The structures of newly synthesized compounds were established by usual spectroscopic techniques such as UV-Vis, FTIR, Mass Spectrometry and NMR spectroscopy. These results were further supported by molecular docking studies in order to confirm the binding interaction of the compounds with bacterial proteins. Furthermore, these compounds were also investigated by density functional theory calculations. The calculated band gap (E gap) of the targeted library was found between the ranges of 0.12307-13665 eV.

Conclusion: In summary, we have synthesized and characterized an interesting series of azo-compounds which have potent anti-bacterial activities against several bacterial species. The experimental results were further supported by molecular docking analysis and density functional theory calculations.

Keywords: 4-Aminophenol, 4-methoxyaniline, azo-compounds, antibacterial activities, DFT calculations, computational approach.

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Article Details

VOLUME: 14
ISSUE: 10
Year: 2017
Page: [1145 - 1154]
Pages: 10
DOI: 10.2174/1570180814666170306124134
Price: $58

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