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ID: ALA2016513

Journal: Bioorg Med Chem Lett

Title: Synthesis and evaluation of human phosphodiesterases (PDE) 5 inhibitor analogs as trypanosomal PDE inhibitors. Part 1. Sildenafil analogs.

Authors: Wang C, Ashton TD, Gustafson A, Bland ND, Ochiana SO, Campbell RK, Pollastri MP.

Abstract: Parasitic diseases, such as African sleeping sickness, have a significant impact on the health and well-being in the poorest regions of the world. Pragmatic drug discovery efforts are needed to find new therapeutic agents. In this Letter we describe target repurposing efforts focused on trypanosomal phosphodiesterases. We outline the synthesis and biological evaluation of analogs of sildenafil (1), a human PDE5 inhibitor, for activities against trypanosomal PDEB1 (TbrPDEB1). We find that, while low potency analogs can be prepared, this chemical class is a sub-optimal starting point for further development of TbrPDE inhibitors.

CiteXplore: 22370268

DOI: 10.1016/j.bmcl.2012.01.119