Quantitative Structure Activity Relationship Analysis of Selected Chalcone Derivatives as Mycobacterium tuberculosis Inhibitors - Open Access Library Journal

OALibJ > Vol.3 No.3, March 2016

Quantitative Structure Activity Relationship Analysis of Selected Chalcone Derivatives as Mycobacterium tuberculosis Inhibitors ()

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DOI: 10.4236/oalib.1102432 1,233 Downloads 2,830 Views Citations

Author(s)

Alisi Ikechukwu Ogadimma^1*, Uzairu Adamu²

Affiliation(s)

¹Department of Applied Chemistry, Federal University, Dutsin-Ma, Nigeria.
²Department of Chemistry, Ahmadu Bello University, Zaria, Nigeria.

ABSTRACT

In order to gain further insights into the structural requirements for anti-tuberculosis activity by chalcone derivatives of 1,3-diphenylprop-2-ene-1-one, quantitative structure activity relationship (QSAR) was performed using genetic function approximation (GFA). Geometry optimization was achieved at the density functional theory (DFT) level using Becke’s three-parameter Lee-Yang-Parr hybrid functional (B3LYP) in combination with the 6-31G* basis set. Subsequently, quantum chemical and molecular descriptors were generated and divided into training and test sets by Kennard Stone algorithm. Internal and external validations as well as Y-randomization tests were employed in model validation. Five predictive models were generated by GFA. The generated models showed that constitutional indices, 2D autocorrelations and radial distribution function (RDF) descriptors were important contributors to anti-tuberculosis activity of 1,3-diphenylprop-2-ene-1-one derivatives. Based on validation results, model 4 was chosen as the best of the five models.

KEYWORDS

Anti-Tuberculosis, Descriptors, GFA, Model Validation, QSAR

Share and Cite:

Ogadimma, A. and Adamu, U. (2016) Quantitative Structure Activity Relationship Analysis of Selected Chalcone Derivatives as Mycobacterium tuberculosis Inhibitors. Open Access Library Journal, 3, 1-13. doi: 10.4236/oalib.1102432.

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