European Journal of Medicinal Chemistry p. 396 - 406 (2017)
Update date:2022-08-11
Topics:
Nisa, Mehr-un
Munawar, Munawar A.
Iqbal, Amber
Ahmed, Asrar
Ashraf, Muhammad
Gardener, Qurra-tul-Ann A.
Khan, Misbahul A.
A novel series of 5-(aroylhydrazinocarbonyl)escitalopram (58–84) have been designed, synthesized and tested for their inhibitory potential against cholinesterases. 3-Chlorobenzoyl- (71) was found to be the most potent compound of this series having IC50 1.80 ± 0.11 μM for acetylcholinesterase (AChE) inhibition. For the butyrylcholinesterase (BChE) inhibition, 2-bromobenzoyl- (76) was the most active compound of the series with IC50 2.11 ± 0.31 μM. Structure-activity relationship illustrated that mild electron donating groups enhanced enzyme inhibition while electron withdrawing groups reduced the inhibition except o-NO2. However, size and position of the substituents affected enzyme inhibitions.. In docking study of AChE, the ligands 71, 72 and 76 showed the scores of 5874, 5756 and 5666 and ACE of ?64.92,-203.25 and ?140.29 kcal/mol, respectively. In case of BChE, ligands 71, 76 and 81 depicted high scores 6016, 6150 and 5994 with ACE values ?170.91, ?256.84 and ?235.97 kcal/mol, respectively.
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