Tehran University of Medical Sciences

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New Tacrine-Derived Ache/Buche Inhibitors: Synthesis and Biological Evaluation of 5-Amino-2-Phenyl-4H-Pyrano[2,3-B]Quinoline-3-Carboxylates Publisher Pubmed



Eghtedari M1 ; Sarrafi Y1 ; Nadri H2 ; Mahdavi M3 ; Moradi A2 ; Homayouni Moghadam F4 ; Emami S5 ; Firoozpour L3 ; Asadipour A6 ; Sabzevari O7 ; Foroumadi A6, 8
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Source: European Journal of Medicinal Chemistry Published:2017


Abstract

A series of poly-functionalized tacrine-derived compounds namely 5-amino-2-phenyl-4H-pyrano[2,3-b]quinoline-3-carboxylates were designed and synthesized as cholinesterases inhibitors. The in vitro inhibition assay against AChE and BuChE demonstrated that most of compounds had potent AChE inhibitory with reserving potential of BuChE inhibition. Among them, compound 6i bearing a 4-(3-bromophenyl) moiety showed the most potent activity against AChE/BuChE (IC50s values of 0.069 and 1.35 μM, respectively). The anti-AChE activity of 6i was five times more than that of tacrine. The SAR study revealed that chloro/bromo substituent at ortho or meta position of the 4-phenyl ring can improve the anticholinesterase activity. © 2017 Elsevier Masson SAS
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