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ID: ALA1143461
Journal: Bioorg Med Chem Lett
Title: Trifluoroethylamines as amide isosteres in inhibitors of cathepsin K.
Authors: Black WC, Bayly CI, Davis DE, Desmarais S, Falgueyret JP, Léger S, Li CS, Massé F, McKay DJ, Palmer JT, Percival MD, Robichaud J, Tsou N, Zamboni R.
Abstract: The P2-P3 amide of dipeptide cathepsin K inhibitors can be replaced by the metabolically stable trifluoroethylamine group. The non-basic nature of the nitrogen allows the important hydrogen bond to Gly66 to be made. The resulting compounds are 10- to 20-fold more potent than the corresponding amide derivatives. Compound 8 is a 5 pM inhibitor of human cathepsin K with >10,000-fold selectivity over other cathepsins.
CiteXplore: 16154747