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Title

Development of HuperTacrines as non-toxic, cholinesterase inhibitors for the potential treatment of Alzheimer’s disease

AuthorsChioua, Mourad ; Pérez, Marta M.; Bautista-Aguilera, Óscar M.; Yáñez, M.; López, M. G.; Romero, A. ; Cacabelos, Ramón; Bellacasa, R. P. de la; Brogi, S.; Butini, S.; Borrell, J. I.; Marco-Contelles, José
Issue Date2015
PublisherBentham Science Publishers
CitationMini reviews in medicinal chemistry 15: 648-658 (2015)
AbstractThis paper describes our preliminary results on the ADMET, synthesis, biochemical evaluation, and molecular modeling of racemic HuperTacrines (HT), new hybrids resulting from the juxtaposition of huperzine A and tacrine for the potential treatment of Alzheimer’s disease (AD). The synthesis of these HT was executed by Friedländer-type reactions of 2-amino-6-oxo-1,6-dihydropyridine-3-carbonitriles, or 7-amino-2-oxo-1,2,3,4-tetrahydro-1,6-naphthyridine- 8-carbonitriles, with cyclohexanone. In the biochemical evaluation, initial and particular attention was devoted to test their toxicity on human hepatoma cells, followed by the in vitro inhibition of human cholinesterases (hAChE, and hBuChE), and the kinetics/mechanism of the inhibition of the most potent HT; simultaneous molecular modeling on the best HT provided the key binding interactions with the human cholinesterases. From these analyses, (±)-5-amino-3-methyl- 3,4,6,7,8,9-hexahydrobenzo[b][1,8]naphthyridin-2(1H)-one (HT1) and (±)-5-amino-3-(2,6-dichlorophenyl)-3,4,6,7,8,9- hexahydrobenzo[b][1,8]naphthyridin-2(1H)-one (HT3) have emerged as characterized by extremely low liver toxicity reversible mixed-type, selective hAChE and, quite selective irreversible hBuChEIs, respectively, showing also good druglike properties for AD-targeted drugs.
URIhttp://hdl.handle.net/10261/117425
DOI10.2174/1389557515666150219130156
Identifiersdoi: 10.2174/1389557515666150219130156
issn: 1389-5575
e-issn: 1875-5607
Appears in Collections:(IQOG) Artículos
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