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Design, Synthesis and Anti-Alzheimer's Activity of Novel 1,2,3-Triazole-Chromenone Carboxamide Derivatives Publisher Pubmed



Rastegari A1 ; Nadri H2 ; Mahdavi M3 ; Moradi A2 ; Mirfazli SS4 ; Edraki N5 ; Moghadam FH6 ; Larijani B3 ; Akbarzadeh T1, 7 ; Saeedi M7, 8
Authors

Source: Bioorganic Chemistry Published:2019


Abstract

Alzheimer's disease (AD) is a well-known neurodegenerative disorder affecting millions of old people worldwide and the corresponding epidemiological data highlights the significance of the disease. As AD is a multifactorial illness, various single-target directed drugs that have reached clinical trials have failed. Therefore, various factors associated with outset of AD have been considered in targeted drug discovery and development. In this work, a wide range of 1,2,3-triazole-chromenone carboxamides were designed, synthesized, and evaluated for their cholinesterase inhibitory activity. Among them, N-(1-benzylpiperidin-4-yl)-7-((1-(3,4-dimethylbenzyl)-1H-1,2,3-triazol-4-yl)methoxy)-2-oxo-2H-chromene-3-carboxamide (11b) showed the best acetylcholinesterase inhibitory activity (IC 50 = 1.80 µM), however, it was inactive toward butyrylcholinesterase. It should be noted that compound 11b was evaluated for its BACE1 inhibitory activity and calculated IC 50 = 21.13 µM confirmed desired inhibitory activity. Also, this compound revealed satisfactory neuroprotective effect against H 2 O 2 -induced cell death in PC12 neurons at 50 µM as well as metal chelating ability toward Fe 2+ , Cu 2+ , and Zn 2+ ions. © 2018 Elsevier Inc.
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