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Bioorg Med Chem Lett. 2001 Aug 20;11(16):2075-7.

Synthesis, antimalarial activity and inhibition of haem detoxification of novel bisquinolines.

Author information

1
Department of Chemistry, La Trobe University, 3086, Victoria, Australia.

Abstract

The synthesis of novel bisquinoline compounds comprising 4-(4-diethylamino-1-methylbutyl)aminoquinoline units joined through the 2-position by a (CH(2))(n) linker is described. Their ability to inhibit the growth of both chloroquine-sensitive (D10) and chloroquine-resistant (K1) strains of Plasmodium falciparum, the hydrogen peroxide-mediated pathway for decomposition of haem, and the conversion of haem to beta-haematin have been measured. The activity was affected by the length of the linker and the most active (6c, n=12) showed effects similar to chloroquine in three of the assays. However, it was even more active against the resistant strain [IC(50), 17 nM (K1); 43 nM (D10)], much superior to chloroquine (IC(50), 540 nM) and slightly better than mefloquine (IC(50), 30 nM) in this regard.

PMID:
11514142
DOI:
10.1016/s0960-894x(01)00383-3
[Indexed for MEDLINE]

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