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Structural exploration of hydroxyethylamines as HIV-1 protease inhibitors: new features identified.

Structural exploration of hydroxyethylamines as HIV-1 protease inhibitors: new features identified.
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Amin SA, Adhikari N, Bhargava S, Jha T, Gayen S,


Amin SA, Adhikari N, Bhargava S, Jha T, Gayen S, (click to view)

Amin SA, Adhikari N, Bhargava S, Jha T, Gayen S,

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SAR and QSAR in environmental research 2018 03 23() 1-24 doi 10.1080/1062936X.2018.1447511

Abstract

The current study deals with chemometric modelling strategies (Naïve Bayes classification, hologram-based quantitative structure-activity relationship (HQSAR), comparative molecular field analysis (CoMFA) and comparative molecular similarity index analysis (CoMSIA)) to explore the important features of hydroxylamine derivatives for exerting potent human immunodeficiency virus-1 (HIV-1) protease inhibition. Depending on the statistically validated reliable and robust quantitative structure-activity relationship (QSAR) models, important and crucial structural features have been identified that may be responsible for enhancing the activity profile of these hydroxylamine compounds. Arylsulfonamide function along with methoxy or fluoro substitution is important for enhancing activity. Bulky steric substitution at the sulfonamide nitrogen disfavours activity whereas smaller hydrophobic substitution at the same position is found to be favourable. Apart from the crucial oxazolidinone moiety, pyrrolidine, cyclic urea and methyl ester functions are also responsible for increasing the HIV-1 protease inhibitory profile. Observations derived from these modelling studies may be utilized further in designing promising HIV-1 protease inhibitors of this class.

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