Synthesis, antimalarial activity, and structure-activity relationship of 7-(2-phenoxyethoxy)-4(1H)-quinolones.

Synthesis, antimalarial activity, and structure-activity relationship of 7-(2-phenoxyethoxy)-4(1H)-quinolones.
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DOI:
10.1021/jm200718m
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发表时间:
2011-12-22
影响因子:
7.3
通讯作者:
Manetsch, Roman
Manetsch, Roman
中科院分区:
医学1区
文献类型:
--
作者:
Cross, R. Matthew;Namelikonda, Niranjan K.;Mutka, Tina S.;Luong, Lisa;Kyle, Dennis E.;Manetsch, Roman

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ICI 56,780 (5) displayed causal prophylactic and blood schizonticidal activity (ED50 = 0.05 mg/kg) in rodent malaria models, but produced rapid acquisition of parasitological resistance in P. berghei infected mice. Herein we describe the synthesis of analogs of 5 with EC50s as low as 0.15 nM against multi-drug resistant P. falciparum. Optimal activity with low cross resistance indexes (RI) to atovaquone were achieved by introducing ortho-substituted aryl moieties at the 3-position of the 7-(2-phenoxyethoxy)-4(1H)-quinolone core.
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