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ID: ALA5244269
Journal: Bioorg Med Chem
Title: Improving metabolic stability and removing aldehyde oxidase liability in a 5-azaquinazoline series of IRAK4 inhibitors.
Authors: Degorce SL, Aagaard A, Anjum R, Cumming IA, Diène CR, Fallan C, Johnson T, Leuchowius KJ, Orton AL, Pearson S, Robb GR, Rosen A, Scarfe GB, Scott JS, Smith JM, Steward OR, Terstiege I, Tucker MJ, Turner P, Wilkinson SD, Wrigley GL, Xue Y.
Abstract: In this article, we report our efforts towards improving in vitro human clearance in a series of 5-azaquinazolines through a series of C4 truncations and C2 expansions. Extensive DMPK studies enabled us to tackle high Aldehyde Oxidase (AO) metabolism and unexpected discrepancies in human hepatocyte and liver microsomal intrinsic clearance. Our efforts culminated with the discovery of 5-azaquinazoline 35, which also displayed exquisite selectivity for IRAK4, and showed synergistic in vitro activity against MyD88/CD79 double mutant ABC-DLBCL in combination with the covalent BTK inhibitor acalabrutinib.
CiteXplore: 33091850