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ID: ALA3817827

Journal: Bioorg Med Chem

Title: 5-Substituted 3-chlorokenpaullone derivatives are potent inhibitors of Trypanosoma brucei bloodstream forms.

Authors: Orban OC, Korn RS, Benítez D, Medeiros A, Preu L, Loaëc N, Meijer L, Koch O, Comini MA, Kunick C.

Abstract: Trypanothione synthetase is an essential enzyme for kinetoplastid parasites which cause highly disabling and fatal diseases in humans and animals. Inspired by the observation that N(5)-substituted paullones inhibit the trypanothione synthetase from the related parasite Leishmania infantum, we designed and synthesized a series of new derivatives. Although none of the new compounds displayed strong inhibition of Trypanosoma brucei trypanothione synthetase, several of them caused a remarkable growth inhibition of cultivated Trypanosoma brucei bloodstream forms. The most potent congener 3a showed antitrypanosomal activity in double digit nanomolar concentrations and a selectivity index of three orders of magnitude versus murine macrophage cells.

CiteXplore: 27349574

DOI: 10.1016/j.bmc.2016.06.023