Review Article

Metallocene Antimalarials: The Continuing Quest

Table 4

In vitro activity of coordination complexes and the free 4-aminoquinoline ligands in chloroquine-sensitive (D10) and chloroquine-resistant (K1) strains of P. falciparum.

CompoundD10 (CQ sensitive)K1 (CQ resistant)
IC50(nM)IC50 (nM)

L137.10570.0
[Au(L1)(PPh3)]NO321.0961.53
[Au(C6F5)(L1)]18.0761.09
[Rh(Cl)(COD)(L1)]21.5081.31

L216.304.96
[Au(L2)(PPh3)]NO310.505.68
[Au(C6F5)(L2)]10.083.96
[Rh(Cl)(COD)(L2)]15.8010.55

L311.3012.56
[Au(L3)(PPh3)]NO333.2733.89
[Au(C6F5)(L3)]13.7014.65
[Rh(Cl)(COD)(L3)]202.00597.59

L416.5415.54
[Au(L4)(PPh3)]NO330.3231.09
[Au(C6F5)(L4)]23.3612.92
[Rh(Cl)(COD)(L4)]56.1047.70