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ID: ALA4396948
Journal: Bioorg Med Chem Lett
Title: Structure based design of macrocyclic factor XIa inhibitors: Discovery of cyclic P1 linker moieties with improved oral bioavailability.
Authors: Clark CG, Rossi KA, Corte JR, Fang T, Smallheer JM, De Lucca I, Nirschl DS, Orwat MJ, Pinto DJP, Hu Z, Wang Y, Yang W, Jeon Y, Ewing WR, Myers JE, Sheriff S, Lou Z, Bozarth JM, Wu Y, Rendina A, Harper T, Zheng J, Xin B, Xiang Q, Luettgen JM, Seiffert DA, Wexler RR, Lam PYS.
Abstract: This manuscript describes the discovery of a series of macrocyclic inhibitors of FXIa with oral bioavailability. Assisted by structure based drug design and ligand bound X-ray crystal structures, the group linking the P1 moiety to the macrocyclic core was modified with the goal of reducing H-bond donors to improve pharmacokinetic performance versus 9. This effort resulted in the discovery of several cyclic P1 linkers, exemplified by 10, that are constrained mimics of the bioactive conformation displayed by the acrylamide linker of 9. These cyclic P1 linkers demonstrated enhanced bioavailability and improved potency.
CiteXplore: 31445854