Hybrids of Methylxanthines and Azoderivatives as Acetylcholinesterase Inhibitors: Structure–Activity Relationship Analysis

In this work, we synthesized methylxanthine and azobenzene derivatives, linked to secondary amines via a seven-carbon chain, to evaluate their acetylcholinesterase (AChE) inhibitory activity. Among the azobenzene compounds, <b>3a</b> exhibited the highest activity with an IC<sub>50...

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Bibliographic Details
Main Authors: Brunella Biscussi, Santiago Gundin, Martina Donozo, Ana Paula Murray
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Chemistry Proceedings
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Online Access:https://www.mdpi.com/2673-4583/16/1/111
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Summary:In this work, we synthesized methylxanthine and azobenzene derivatives, linked to secondary amines via a seven-carbon chain, to evaluate their acetylcholinesterase (AChE) inhibitory activity. Among the azobenzene compounds, <b>3a</b> exhibited the highest activity with an IC<sub>50</sub> of 1.1 µM. Meanwhile, the theobromine derivative <b>2a</b> was the most potent inhibitor among the methylxanthines, with an IC<sub>50</sub> of 0.19 µM. These results highlight the importance of structure–activity relationship analysis to optimize AChE inhibition by modifying pharmacophore fragments and secondary amines.
ISSN:2673-4583