A new chemotype with promise against Trypanosoma cruzi

Xiaofang Wang, Monica Cal, Marcel Kaiser, Frederick S. Buckner, Galina I. Lepesheva, Austin G. Sanford, Alexander I. Wallick, Paul H. Davis, Jonathan L. Vennerstrom

Research output: Contribution to journalArticlepeer-review


Pyridyl benzamide 2 is a potent inhibitor of Trypanosoma cruzi, but not other protozoan parasites, and had a selectivity-index of ≥10. The initial structure–activity relationship (SAR) indicates that benzamide and sulfonamide functional groups, and N-methylpiperazine and sterically unhindered 3-pyridyl substructures are required for high activity against T. cruzi. Compound 2 and its active analogs had low to moderate metabolic stabilities in human and mouse liver microsomes.

Original languageEnglish (US)
Article number126778
JournalBioorganic and Medicinal Chemistry Letters
Issue number1
StatePublished - Jan 1 2020


  • Chagas disease
  • SAR
  • Trypanosoma cruzi

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmaceutical Science
  • Drug Discovery
  • Clinical Biochemistry
  • Organic Chemistry


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