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Synthesis, in vitro Acetylcholinesterase Inhibitory Activity Evaluation and Docking Investigation of Some Aromatic Chalcones

Original Research
  • Thanh-Dao Tran, Thai-Son Tran, Thi-Cam-Vi Nguyen, Minh-Tri Le, Khac-Minh Thai,
  • Pages 15-25

In this study, a total of twenty chalcones were synthesized via Claisen-Schmidt condensation reaction and evaluated for their in vitro acetylcholinesterase inhibitory activities using Ellman’s method. Molecular docking studies on acetylcholinesterase were performed to elucidate the interactions between these chalcone derivatives and acetylcholinesterase active site at the molecular level. From the series, six compounds (S1-5 and S17) exhibited strong acetylcholinesterase inhibitory activities with IC50 values below 100 µM compared to the parent unsubstituted chalcone. Compound S17 (4’-amino-2-chlorochalcone) showed the strongest acetylcholinesterase inhibitory activity in the investigated group with IC50 value of 36.10 µM. Molecular modeling studies were consistent with the results of in vitro acetylcholinesterase inhibitory activities, and chalcone S17 could be considered as a potential lead compound for the development of new acetylcholinesterase inhibitors.

Graphical abstract