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Development of bromo-and fluoro-based α, β-unsaturated ketones as highly potent MAO-B inhibitors for the treatment of Parkinson's disease

Author name : Arafa Kassem A Musa
Publication Date : 2022-11-07
Journal Name : Journal of Molecular Structure

Abstract

This study evaluated the synthesis of a dual series of bromo (CHB1–CHB4)- and fluoro (CHF1–CHF4)-based α,β-unsaturated ketones and their inhibitory activities against monoamine oxidase (MAO)-A and MAO-B. All compounds exhibited potent MAO-B inhibitory activities compared with the reference drugs. Among the CHB derivatives, CHB3 exhibited the highest potent inhibitory activity against MAO-B, with an IC50 value of 0.0062 µM, followed by CHB2 (IC50 = 0.013 µM), CHB4 (IC50 = 0.023 µM), and CHB1 (parent compound in the subseries, IC50 = 0.027 µM). Among the CHF derivatives, CHF3 demonstrated an efficient inhibitory activity against MAO-B, with an IC50 value of 0.011 µM, followed by CHF2 (IC50 = 0.037 µM), CHF1 (IC50 = 0.042 µM; parent compound in the subseries), and CHF4 (IC50 = 0.160 µM). CHB3 and CHF3 were found to be reversible competitive inhibitors of MAO-B, with Ki values of ...........

Keywords

MAO-B inhibitors, Parkinson's disease, α, β-unsaturated ketones

Publication Link

https://doi.org/10.1016/j.molstruc.2022.133545

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