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Antimalarial cyclic peroxy ketals
G H Posner1, H O'Dowd, P Ploypradith
1Department of Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218, USA.
Journal of Medicinal Chemistry
|June 17, 1998
Abstract:
Over 20 new, cyclic, peroxy ketals have been prepared via a two-step protocol starting with readily available aryl methyl ketones. Structure-activity correlations using in vitro antimalarial data as a guide for optimization of potency have led to the design and synthesis of seven new peroxides that have IC50 values of 31-85 nM (artemisinin IC50 = 8.4 nM). Some SAR generalizations are discussed.