Pyridazine and pyridazinone derivatives as potent and selective factor XIa inhibitors

Bioorg Med Chem Lett. 2018 Apr 1;28(6):987-992. doi: 10.1016/j.bmcl.2018.02.049. Epub 2018 Feb 27.

Abstract

Pyridazine and pyridazinone derivatives were designed and synthesized as coagulation factor XIa inhibitors. Potent and selective inhibitors with single digit nanomolar affinity for factor XIa were discovered. Selected inhibitors demonstrated moderate oral bioavailability.

Keywords: FXIa; Factor XIa inhibitors; Pyridazine; Pyridazinone; Thrombosis.

MeSH terms

  • Crystallography, X-Ray
  • Dose-Response Relationship, Drug
  • Factor XIa / antagonists & inhibitors*
  • Factor XIa / metabolism
  • Humans
  • Microsomes, Liver / drug effects
  • Microsomes, Liver / metabolism
  • Models, Molecular
  • Molecular Structure
  • Pyridazines / chemical synthesis
  • Pyridazines / chemistry
  • Pyridazines / pharmacology*
  • Serine Proteinase Inhibitors / chemical synthesis
  • Serine Proteinase Inhibitors / chemistry
  • Serine Proteinase Inhibitors / pharmacology*
  • Structure-Activity Relationship

Substances

  • Pyridazines
  • Serine Proteinase Inhibitors
  • Factor XIa