Discovery of R-142086 as a factor Xa (FXa) inhibitor: syntheses and structure-activity relationships of cinnamyl derivatives

Chem Pharm Bull (Tokyo). 2009 Jan;57(1):22-33. doi: 10.1248/cpb.57.22.

Abstract

To develop a novel and effective anticoagulant with potent and selective factor Xa (FXa) inhibitory activity, a new series of cinnamyl derivatives with enhanced lipophilicity and prodrug forms were synthesized and their biological activities were evaluated. As a result, we found that cinnamyl derivative (N-[4-[1-(acetimidoyl)piperidin-4-yloxy]-3-carbamoylphenyl]-N-[(Z)-3-(3-amidinophenyl)-2-fluoro-2-propenyl]sulfamoyl)acetic acid dihydrochloride (26d, R-142086) with a fluorine atom on the double bond exhibited potent anticoagulant activity and no mutagenic potential. Moreover, orally administered R-142086 exhibited potent anti-FXa activity and anticoagulant activity in dogs.

MeSH terms

  • Administration, Oral
  • Amidines* / chemical synthesis
  • Amidines* / chemistry
  • Amidines* / pharmacology
  • Animals
  • Anticoagulants* / chemical synthesis
  • Anticoagulants* / chemistry
  • Anticoagulants* / pharmacology
  • Antithrombin III* / chemical synthesis
  • Antithrombin III* / chemistry
  • Antithrombin III* / pharmacology
  • Cinnamates / chemistry*
  • Cricetinae
  • Dogs
  • Factor Xa Inhibitors*
  • Humans
  • Male
  • Molecular Structure
  • Structure-Activity Relationship
  • Sulfonamides* / chemical synthesis
  • Sulfonamides* / chemistry
  • Sulfonamides* / pharmacology

Substances

  • Amidines
  • Anticoagulants
  • Cinnamates
  • Factor Xa Inhibitors
  • N-(4-(1-(acetimidoyl)piperidin-4-yloxy)-3-carbamoylphenyl)-N-(3-(3-amidinophenyl)-2-fluoro-2-propenyl)sulfamoylacetic acid
  • Sulfonamides
  • Antithrombin III