Chalcone-benzoxaborole hybrid molecules as potent antitrypanosomal agents

Journal of Medicinal Chemistry
Zhitao QiaoHuchen Zhou

Abstract

We report the novel chalcone-benzoxaborole hybrids and their structure-activity relationship against Trypanosoma brucei parasites. The 4-NH(2) derivative 29 and 3-OMe derivative 43 were found to have excellent potency. The synergistic 4-NH(2)-3-OMe compound 49 showed an IC(50) of 0.010 μg/mL and resulted in 100% survival and zero parasitemia in a murine infection model, which represents one of the most potent compounds discovered to date from the benzoxaborole class that inhibit T. brucei growth.

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