期刊
JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE
卷 15, 期 1, 页码 781-797出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/16583655.2021.2005921
关键词
Acetylcholinesterase; chalcone; DPPH; docking; structure-activity relationship
资金
- Taibah University [FRGS/1/2016/STG01/UTM/02/6]
Twelve novel chalcones were synthesized and characterized, showing potential as effective inhibitors of the AChE enzyme. The structure-activity relationship indicated promising compounds for the development of a drug against AChE.
Twelve novel chalcones were synthesized using 2-alkyloxy-naphthaldehydes and Mannich bases of 4-hydroxyacetophenone. The chalcones were characterized using FTIR, 1D and 2D NMR and HRMS spectroscopy. Comparative docking analysis was carried out to screen their affinity towards the AChE enzyme (PDB 1EVE). All chalcones showed lower binding energy (-13.06 to -10.43 kcal/mol) against AChE better than donepezil (-10.52 kcal/mol). All chalcones were potent inhibitors towards AChE, with IC50 values ranging between 0.11 and 5.34 nM better than donepezil (IC50 33.4 nM) and selectivity indexes (0.66-23.83), despite the fact that chalcones 10 and 13 were inactive. The structure activity relationship indicated that introducing diethyl amine in ring A of the chalcone skeleton and the propargyl moiety at ring B was affirmed to be a prospective drug against AChE. The multifunctional properties of chalcone 15 were all advantages that demonstrate an excellent candidate for the development of an effective drug against AChE.
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