New Diethyl Ammonium Salt of Thiobarbituric Acid Derivative: Synthesis, Molecular Structure Investigations and Docking Studies
AbstractThe synthesis of the new diethyl ammonium salt of diethylammonium(E)-5-(1,5-bis(4-fluorophenyl)-3-oxopent-4-en-1-yl)-1,3-diethyl-4,6-dioxo-2-thioxohexaydropyrimidin-5-ide 3 via a regioselective Michael addition of N,N-diethylthiobarbituric acid 1 to dienone 2 is described. In 3, the carboanion of the thiobarbituric moiety is stabilized by the strong intramolecular electron delocalization with the adjacent carbonyl groups and so the reaction proceeds without any cyclization. The molecular structure investigations of 3 were determined by single-crystal X-ray diffraction as well as DFT computations. The theoretically calculated (DFT/B3LYP) geometry agrees well with the crystallographic data. The effect of fluorine replacement by chlorine atoms on the molecular structure aspects were investigated using DFT methods. Calculated electronic spectra showed a bathochromic shift of the π-π* transition when fluorine is replaced by chlorine. Charge decomposition analyses were performed to study possible interaction between the different fragments in the studied systems. Molecular docking simulations examining the inhibitory nature of the compound show an anti-diabetic activity with Pa (probability of activity) value of 0.229. View Full-Text
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Barakat, A.; Al-Majid, A.M.; Soliman, S.M.; Lotfy, G.; Ghabbour, H.A.; Fun, H.-K.; Wadood, A.; Warad, I.; Sloop, J.C. New Diethyl Ammonium Salt of Thiobarbituric Acid Derivative: Synthesis, Molecular Structure Investigations and Docking Studies. Molecules 2015, 20, 20642-20658.
Barakat A, Al-Majid AM, Soliman SM, Lotfy G, Ghabbour HA, Fun H-K, Wadood A, Warad I, Sloop JC. New Diethyl Ammonium Salt of Thiobarbituric Acid Derivative: Synthesis, Molecular Structure Investigations and Docking Studies. Molecules. 2015; 20(11):20642-20658.Chicago/Turabian Style
Barakat, Assem; Al-Majid, Abdullah M.; Soliman, Saied M.; Lotfy, Gehad; Ghabbour, Hazem A.; Fun, Hoong-Kun; Wadood, Abdul; Warad, Ismail; Sloop, Joseph C. 2015. "New Diethyl Ammonium Salt of Thiobarbituric Acid Derivative: Synthesis, Molecular Structure Investigations and Docking Studies." Molecules 20, no. 11: 20642-20658.