Prospective QSAR-based Prediction Models with Pharmacophore Studies of Oxadiazole-substituted α-isopropoxy Phenylpropanoic Acids on with Dual Activators of PPARα and PPARγ

  • Mukesh C. SharmaEmail author


A series of oxadiazole-substituted α-isopropoxy phenylpropanoic acids with dual activators of PPARα and PPARγ derivatives were subjected to two dimensional and k-nearest neighbour Molecular field analysis. The statistically significant best 2D-QSAR (PPARα) model having good predictive ability with statistical values of r2 = 0.8725, q2 = 0.7957 and pred_r2 = 0.8136, was developed by GA-PLS with the descriptors like SsClcount, SddsN (nitro) count and SsOHcount contribute significantly to the biological activity. The best 3D-QSAR studies (PPARα) were performed using the genetic algorithm selection k-nearest neighbor molecular field analysis approach; a leave-one-out cross-validated correlation coefficient q2=0.7188 and predicate activity pred_r2 = 0.7508 were obtained. The influences of steric and electrostatic field effects generated by the contribution plots are discussed. The best pharmacophore model includes three features viz. hydrogen bond donor, hydrogen bond acceptor, and aromatic features were developed. The information rendered by 2D, 3D QSAR models may lead to a better understanding of structural requirements of substituted α-isopropoxy phenylpropanoic derivatives and also aid in designing novel potent PPARα and PPARγ for antihyperglycemic molecules.

phenylpropanoic PPARα PPARγ 2D QSAR k-nearest neighbor pharmacophore antihyperglycemic VLife MDS 


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The author thanks Vlife Science Technologies Pvt. Ltd for providing the trial version software for the study.


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Copyright information

© International Association of Scientists in the Interdisciplinary Areas and Springer-Verlag Berlin Heidelber 2015

Authors and Affiliations

  1. 1.Drug Design and Development Laboratory, School of PharmacyDevi Ahilya VishwavidyalayaIndore (M.P)India

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