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Synthesis and Evaluation of Chroman-4-One Linked to N-Benzyl Pyridinium Derivatives As New Acetylcholinesterase Inhibitors Publisher Pubmed



Arab S1 ; Sadatebrahimi SE1 ; Mohammadikhanaposhtani M1 ; Moradi A2 ; Nadri H2 ; Mahdavi M1 ; Moghimi S1 ; Asadi M1 ; Firoozpour L3 ; Piralihamedani M1 ; Shafiee A1 ; Foroumadi A1
Authors

Source: Archiv der Pharmazie Published:2015


Abstract

A novel series of chroman-4-one derivatives containing the N-benzyl pyridinium moiety were designed, synthesized, and evaluated for their acetylcholinesterase (AChE) inhibitory activities. Among the various synthesized compounds, (E)-1-(2,3-dibromobenzyl)-4-((7-ethoxy-4-oxochroman-3-ylidene)methyl)pyridinium bromide (8l) depicted the most potent anti-AChE activity (IC50=0.048μM). In addition, the molecular modeling study allowed us to detect possible binding modes that are in full compliance with the observed results through in vitro experiments. A novel series of chroman-4-one derivatives bearing N-benzyl pyridinium derivatives (8a-l) were synthesized and evaluated in vitro for their acetylcholinesterase inhibitory activities. The most promising compound, (E)-1-(2,3-dibromobenzyl)-4-((7-ethoxy-4-oxochroman-3-ylidene)methyl)pyridinium bromide 8l, showed an IC50 value of 0.048μM. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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