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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/226233
Disclosure of cinnamic acid/4,9-diaminoacridine conjugates as multi-stage antiplasmodial hits
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4,9-diaminoacridines with reported antiplasmodial activity were coupled to different trans-cinnamic acids, delivering a new series of conjugates inspired by the covalent bitherapy concept. The new compounds were more potent than primaquine against hepatic stages of Plasmodium berghei, although this was accompanied by cytotoxic effects on Huh-7 hepatocytes. Relevantly, the conjugates displayed nanomolar activities against blood stage P. falciparum parasites, with no evidence of hemolytic effects below 100 mu M. Moreover, the new compounds were at least 25-fold more potent than primaquine against P. falciparum gametocytes. Thus, the new antiplasmodial hits disclosed herein emerge as valuable templates for the development of multi-stage antiplasmodial drug candidates.
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FONTE, Mélanie, et al. Disclosure of cinnamic acid/4,9-diaminoacridine conjugates as multi-stage antiplasmodial hits. Bioorganic & Medicinal Chemistry. 2024. Vol. 104, num. 117714. ISSN 0968-0896. [consulted: 9 of October of 2026]. Available at: https://hdl.handle.net/2445/226233