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Publication
Xanthenedione derivatives, new promising antioxidant and acetylcholinesterase inhibitor agents
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Advisor(s)
Abstract(s)
Natural and synthetic xanthone derivatives are well-known for their ability to act as antioxidants and/or enzyme inhibitors. This paper aims to present a successful synthetic methodology towards xanthenedione derivatives and the study of their aromatization to xanthones. Additionally their ability to reduce Fe(III), to scavenge DPPH radicals and to inhibit AChE was evaluated. The results demonstrated that xanthenedione derivative 5e, bearing a catechol unit, showed higher reduction capacity than BHT and similar to quercetin, strong DPPH scavenging activity (EC50 = 3.79 ± 0.06 μM) and it was also showed to be a potent AChEI (IC50 = 31.0 ± 0.09 μM) when compared to galantamine (IC50 = 211.8 ± 9.5 μM).
Description
Keywords
Xanthene-1,9(2H)-diones Scavenging Activity Reduction Power Acetylcholinesterase Inhibitors Xanthones 3-cinnamoyl-5-hydroxy-2-styrylchromones
Citation
Seca, Ana; Leal, Stephanie; Pinto, Diana; Barreto, Maria; Silva, Artur (2014). "Xanthenedione derivatives, new promising antioxidant and acetylcholinesterase inhibitor agents", Molecules, 19(6), 8317-8333. Doi: 10.3390/molecules19068317.
Publisher
MDPI