Synthesis and antimalarial activity of 2-methoxyprop-2-yl peroxides derivatives

Synthesis and antimalarial activity of novel bicyclic and tricyclic aza-peroxides

Bicyclic and tricyclic aza-peroxides were synthesized and assessed for theirin vitroandin vivoantimalarial activities againstPlasmodium falciparum(3D7 strain) andPlasmodium yoelii nigeriensisin Swiss mice by an oral route, respectively.

Synthesis of alkyl hydroperoxides via alkylation of gem-dihydroperoxides

2-Fold alkylation of 1,1-dihydroperoxides, followed by hydrolysis of the resulting bisperoxyacetals, provides a convenient method for synthesis of primary and secondary alkyl hydroperoxides.

Crucial role of the peroxyketal function for antimalarial activity in the G-factor series

New endoperoxides, related to the natural phytohormones known as G factors (G1, G2, G3), were modified on the side chain and the ketalic position. An unexpected rearrangement, specific to one diastereoisomer was observed in the deprotection step of O-silylated compounds and attributed to a hexacoordinated fluorosilicon intermediate. The reduction potential of these new peroxides was determined. They exhibited good to moderate antimalarial activity, greatly related to the presence of peroxyketal function.

Alkylation of manganese(II) tetraphenylporphyrin by a synthetic antimalarial trioxane

The synthesis and the antimalarial activity of a new kind of polycyclic 1,2,4-trioxanes are reported. The alkylation of the heme model MnIITPP by the biologically active (IC 50 = 320 nmol L-1) hemiperketal 2 is presented.