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Browsing Scholarly Publication by Author "Abdul Wadood"

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    Chalcones and bis-chalcones: As potential α-amylase inhibitors; synthesis, in vitro screening, and molecular modelling studies
    (Academic Press Inc., 2018-05-07) Bale, Adebayo Tajudeen; Khan, Khalid Mohammed; Salar, Uzma; Chigurupati, Sridevi; Fasina, Tolulope; Ali, Farman; Kanwal; Abdul Wadood; Taha, Muhammad; Nanda, Sekhar Sitanshu; Ghufran Mehreen; Perveen, Shahnaz
    Despite of a diverse range of biological activities associated with chalcones and bis-chalcones, they are still neglected by the medicinal chemist for their possible α-amylase inhibitory activity. So, the current study is based on the evaluation of this class for the identification of new leads as α-amylase inhibitors. For that purpose, a library of substituted chalcones 1–13 and bis-chalcones 14–18 were synthesized and characterized by spectroscopic techniques EI-MS and 1H NMR. CHN analysis was carried out and found in agreement with the calculated values. All compounds were evaluated for in vitro α-amylase inhibitory activity and demonstrated good activities in the range of IC50 = 1.25 ± 1.05–2.40 ± 0.09 µM as compared to the standard acarbose (IC50 = 1.04 ± 0.3 µM). Limited structure–activity relationship (SAR) was established by considering the effect of different groups attached to aryl rings on varying inhibitory activity. SMe group in chalcones and OMe group in bis-chalcones were found more influential on the activity than other groups. However, in order to predict the involvement of different groups in the binding interactions with the active site of α-amylase enzyme, in silico studies were also conducted.