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Qsar Study of Antimicrobial 3-Hydroxypyridine-4-One and 3-Hydroxypyran-4-One Derivatives Using Different Chemometric Tools Publisher



Sabet R1 ; Fassihi A1
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Authors Affiliations
  1. 1. Department of Medicinal Chemistry, Faculty of Pharmacy, Isfahan University of Medical Sciences, 81746-73461, Isfahan, Iran

Source: International Journal of Molecular Sciences Published:2008


Abstract

A series of 3-hydroxypyridine-4-one and 3-hydroxypyran-4-one derivatives were subjected to quantitative structure-antimicrobial activity relationships (QSAR) analysis. A collection of chemometrics methods, including factor analysis-based multiple linear regression (FA-MLR), principal component regression (PCR) and partial least squares combined with genetic algorithm for variable selection (GA-PLS) were employed to make connections between structural parameters and antimicrobial activity. The results revealed the significant role of topological parameters in the antimicrobial activity of the studied compounds against S. aureus and C. albicans. The most significant QSAR model, obtained by GA-PLS, could explain and predict 96% and 91% of variances in the pIC 50 data (compounds tested against S. aureus) and predict 91% and 87% of variances in the pIC 50 data (compounds tested against C. albicans), respectively. © 2008.
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