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European journal of medicinal chemistry

Improved anticancer and antiparasitic activity of new lawsone Mannich bases.


PMID 27912173

Abstract

Substituted lawsone Mannich bases 2a-e, 3a-e and 4a-e were prepared and tested for their biological activities. The new fatty alkyl substituted compounds 2a-c exhibited strong and selective growth inhibitory activities in the low one-digit micromolar and sub-micromolar range against a panel of human cancer cell lines associated with ROS formation. In addition, compounds 2a-c revealed sub-micromolar anti-trypanosomal activities against parasitic Trypanosoma brucei brucei cells via deformation of the microtubule cytoskeleton. The N-hexadecyl compound 2c was also highly active against locally isolated Entamoeba histolytica parasite samples exceeding the activity of metronidazole.