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Article Dans Une Revue Organic & Biomolecular Chemistry Année : 2012

Exploring the trifluoromenadione core as a template to design antimalarial redox-active agents interacting with glutathione reductase

Résumé

Menadione is the 2-methyl-1,4-naphthoquinone core used to design potent antimalarial redox-cyclers to affect the redox equilibrium of Plasmodium-infected red blood cells. Exploring the reactivity of fluoromethyl-1,4-naphthoquinones, in particular trifluoromenadione, under quasi-physiological conditions in NADPH-dependent glutathione reductase reactions, is discussed in terms of chemical synthesis, electrochemistry, enzyme kinetics, and antimalarial activities. Multitarget-directed drug discovery is an emerging approach to the design of new antimalarial drugs. Combining in one single 1,4-naphthoquinone molecule, the trifluoromenadione core with the alkyl chain at C-3 of the known antimalarial drug atovaquone, revealed a mechanism for CF3 as a leaving group. The resulting trifluoromethyl derivative 5 showed a potent antimalarial activity per se against malarial parasites in culture.
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Dates et versions

hal-00702812 , version 1 (31-05-2012)

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D.A. Lanfranchi, D. Belorgey, T. Müller, H. Vezin, M. Lanzer, et al.. Exploring the trifluoromenadione core as a template to design antimalarial redox-active agents interacting with glutathione reductase. Organic & Biomolecular Chemistry, 2012, 10, pp.4795 - 4806. ⟨10.1039/C2OB25229E⟩. ⟨hal-00702812⟩
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