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ID: ALA3102759
Journal: Bioorg Med Chem Lett
Title: Systematic evaluation of amide bioisosteres leading to the discovery of novel and potent thiazolylimidazolidinone inhibitors of SCD1 for the treatment of metabolic diseases.
Authors: Sun S, Zhang Z, Kodumuru V, Pokrovskaia N, Fonarev J, Jia Q, Leung PY, Tran J, Ratkay LG, McLaren DG, Radomski C, Chowdhury S, Fu J, Hubbard B, Winther MD, Dales NA.
Abstract: Several five- and six-membered heterocycles were introduced to replace the C2-position amide bond of the original 2-aminothiazole-based hit compound 5. Specifically, replacement of the amide bond with an imidazolidinone moiety yielded a novel and potent thiazolylimidazolidinone series of SCD1 inhibitors. XEN723 (compound 22) was identified after optimization of the thiazolylimidazolidinone series. This compound demonstrated a 560-fold improvement in in vitro potency and reduced plasma desaturation indices in a dose dependent manner, with an EC50 of 4.5 mg/kg.
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