The discovery of GSK221149A: a potent and selective oxytocin antagonist

Bioorg Med Chem Lett. 2008 Jan 1;18(1):90-4. doi: 10.1016/j.bmcl.2007.11.008. Epub 2007 Nov 6.

Abstract

Optimisation of a series of oxazole diketopiperazines has led to the discovery of a very potent and selective oxytocin antagonist GSK221149A. GSK221149A has been shown to inhibit oxytocin-induced uterine contractions in the anaesthetised rat.

MeSH terms

  • Animals
  • Female
  • Humans
  • Kinetics
  • Oxytocin / antagonists & inhibitors*
  • Oxytocin / metabolism
  • Piperazines / chemistry*
  • Piperazines / pharmacokinetics
  • Piperazines / pharmacology*
  • Rats
  • Rats, Sprague-Dawley
  • Receptors, Oxytocin / metabolism
  • Structure-Activity Relationship
  • Uterine Contraction / drug effects

Substances

  • GSK221149A
  • Piperazines
  • Receptors, Oxytocin
  • Oxytocin