Discovery and evolution of phenoxypiperidine hydroxyamide dual CCR3/H₁ antagonists. Part II: optimising in vivo clearance

Bioorg Med Chem Lett. 2012 Dec 15;22(24):7707-10. doi: 10.1016/j.bmcl.2012.09.112. Epub 2012 Oct 10.

Abstract

The second part of this communication focuses on the resolution of issues surrounding the series of hydroxyamide phenoxypiperidine CCR3/H(1) dual antagonists described in Part I. This involved further structural exploration directed at reducing metabolism and leading to the identification of compound 60 with a greatly improved in vivo pharmacokinetic profile.

MeSH terms

  • Animals
  • Dogs
  • Drug Discovery*
  • Hepatocytes / chemistry
  • Hepatocytes / metabolism
  • Humans
  • Microsomes, Liver / chemistry
  • Microsomes, Liver / metabolism
  • Piperidines / chemistry
  • Piperidines / metabolism
  • Piperidines / pharmacology*
  • Rats
  • Receptors, CCR3 / antagonists & inhibitors*
  • Receptors, Histamine H1 / metabolism*
  • Structure-Activity Relationship
  • Tissue Distribution

Substances

  • CCR3 protein, human
  • Piperidines
  • Receptors, CCR3
  • Receptors, Histamine H1