Three new 5-carbon-linked trioxane dimer carboxylate esters have been prepared from the natural trioxane, artemisinin in only 3-steps and 40-50% overall yields. Each one of these new chemical entities is at least as efficacious as the clinically used trioxane antimalarial drug artemether when combined with mefloquine hydrochloride in a low single oral dose cure.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2913489PMC
http://dx.doi.org/10.1002/ddr.20350DOI Listing

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