Heterocyclic modification of a novel bicyclo[3.1.0]hexane NPY1 receptor antagonist

Bioorg Med Chem Lett. 2013 Jul 1;23(13):3814-7. doi: 10.1016/j.bmcl.2013.04.095. Epub 2013 May 15.

Abstract

A convergent synthesis route for the heterocyclic modification of a novel bicyclo[3.1.0]hexane NPY1 antagonist 2 was developed and the structure activity relationship of these modifications on NPY1 binding is reported. Two heterocyclic analogs 9 and 10 showed comparable Y1 binding potency to 2, but with improved aqueous solubility. Compound 9 demonstrated reduced spontaneous nocturnal food intake in a rat model when dosed ip. Compound 9 was also shown to be orally bioavailable and brain penetrable.

MeSH terms

  • Administration, Oral
  • Animals
  • Bridged Bicyclo Compounds / administration & dosage
  • Bridged Bicyclo Compounds / chemistry
  • Bridged Bicyclo Compounds / pharmacology*
  • Dose-Response Relationship, Drug
  • Heterocyclic Compounds / administration & dosage
  • Heterocyclic Compounds / chemistry
  • Heterocyclic Compounds / pharmacology*
  • Male
  • Molecular Structure
  • Rats
  • Rats, Sprague-Dawley
  • Receptors, Neuropeptide Y / antagonists & inhibitors*
  • Structure-Activity Relationship

Substances

  • Bridged Bicyclo Compounds
  • Heterocyclic Compounds
  • Receptors, Neuropeptide Y
  • bicyclo(3.1.0)hexane