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A series of 4-aminoquinoline-piperonyl-pyrimidine hybrids were synthesized with the aim of identifying compounds with enhanced antimalarial activity. All the synthesized molecules were evaluated in vitro against cultured Plasmodium falciparum W2 and… Click to show full abstract
A series of 4-aminoquinoline-piperonyl-pyrimidine hybrids were synthesized with the aim of identifying compounds with enhanced antimalarial activity. All the synthesized molecules were evaluated in vitro against cultured Plasmodium falciparum W2 and D6 strains and exhibited potent antiplasmodial activities with IC50 values in the range of 0.02-5.16 μM. Out of the 22 synthesised hybrids, 12 were found to be better (up to eight-fold more active) than chloroquine (CQ), particularly against the CQ-resistant W2 strain of P. falciparum with no significant cytotoxicity towards the mammalian cells. Mechanistic studies reveal that these compounds bind with heme and computational docking studies showed good docking interactions within the active site of Pf-DHFR.
Journal Title: European journal of medicinal chemistry
Year Published: 2017
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