5q0e Citations

Macrocyclic inhibitors of Factor XIa: Discovery of alkyl-substituted macrocyclic amide linkers with improved potency.

Abstract

Optimization of macrocyclic inhibitors of FXIa is described which focused on modifications to both the macrocyclic linker and the P1 group. Increases in potency were discovered through interactions with a key hydrophobic region near the S1 prime pocket by substitution of the macrocyclic linker with small alkyl groups. Both the position of substitution and the absolute stereochemistry of the alkyl groups on the macrocyclic linker which led to improved potency varied depending on the ring size of the macrocycle. Replacement of the chlorophenyltetrazole cinnamide P1 in these optimized macrocycles reduced the polar surface area and improved the oral bioavailability for the series, albeit at the cost of a decrease in potency.

Reviews citing this publication (2)

  1. Discovery methods of coagulation-inhibiting drugs. Gómez-Outes A, García-Fuentes M, Suárez-Gea ML. Expert Opin Drug Discov 12 1195-1205 (2017)
  2. Recent advances in the discovery and development of factor XI/XIa inhibitors. Al-Horani RA, Afosah DK. Med Res Rev 38 1974-2023 (2018)

Articles citing this publication (1)

  1. Studies on fragment-based design of allosteric inhibitors of human factor XIa. Boothello RS, Sankaranarayanan NV, Afosah DK, Karuturi R, Al-Horani RA, Desai UR. Bioorg Med Chem 28 115762 (2020)


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