AI Article Synopsis

  • The study presents a two-step method for synthesizing and testing 12 new tetrahydropyranodiquinolin-8-amines as potential antioxidants and cholinesterase inhibitors that are safe for the liver.
  • Among these, 7-(3-methoxyphenyl)-9,10,11,12-tetrahydro-7H-pyrano[2,3-b:5,6-h']diquinolin-8-amine (2h) was highlighted for its properties, showing moderate antioxidant effects and non-competitive inhibition of the enzyme hAChE.
  • Additionally, this compound demonstrated the ability to cross the blood-brain barrier, suggesting possible neurological benefits.

Article Abstract

Herein we report an efficient two step synthesis and biological assessment of 12 racemic tetrahydropyranodiquinolin-8-amines derivatives as antioxidant, cholinesterase inhibitors and non-hepatotoxic agents. Based on the results of the primary screening, we identified 7-(3-methoxyphenyl)-9,10,11,12-tetrahydro-7H-pyrano[2,3-b:5,6-h']diquinolin-8-amine (2h) as a particularly interesting non-hepatotoxic compound that shows moderate antioxidant activity (1.83 equiv Trolox in the ORAC assay), a non competitive inhibition of hAChE (IC = 0.75 ± 0.01 μM), and brain permeable as determined by the PAMPA-Blood Brain Barrier assay.

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http://dx.doi.org/10.1016/j.ejmech.2016.11.050DOI Listing

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Laboratoire de Chimie Organique et Thérapeutique, Neurosciences intégratives et cliniques, EA 481, Univ. Franche-Comté, Univ. Bourgogne Franche-Comté, UFR SMP, 19, rue Ambroise Paré, F-25000 Besançon, France. Electronic address:

Herein we report an efficient two step synthesis and biological assessment of 12 racemic tetrahydropyranodiquinolin-8-amines derivatives as antioxidant, cholinesterase inhibitors and non-hepatotoxic agents. Based on the results of the primary screening, we identified 7-(3-methoxyphenyl)-9,10,11,12-tetrahydro-7H-pyrano[2,3-b:5,6-h']diquinolin-8-amine (2h) as a particularly interesting non-hepatotoxic compound that shows moderate antioxidant activity (1.83 equiv Trolox in the ORAC assay), a non competitive inhibition of hAChE (IC = 0.

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