1-Arylpiperazinyl-4-cyclohexylamine derived isoindole-1,3-diones as potent and selective alpha-1a/1d adrenergic receptor ligands

Bioorg Med Chem Lett. 2007 Mar 15;17(6):1646-50. doi: 10.1016/j.bmcl.2006.12.111. Epub 2007 Jan 12.

Abstract

Subtype-selective alpha-1a and/or alpha-1d adrenergic receptor antagonists may be useful for the treatment of benign prostatic hyperplasia (BPH) and lower urinary tract symptoms (LUTS) with fewer adverse effects than non-selective drugs. A series of 1-arylpiperazinyl-4-cyclohexylamine derived isoindole-1,3-diones has been synthesized, displaying in vitro alpha(1a) and alpha(1d) binding affinity K(i) values in the range of 0.09-38nM with K(i)(alpha1b)/K(i)(alpha1a) and K(i)(alpha1b)/K(i)(alpha1d) selectivity ratios up to 3607-fold.

MeSH terms

  • Adrenergic alpha-Antagonists / chemical synthesis*
  • Adrenergic alpha-Antagonists / pharmacology*
  • Indicators and Reagents
  • Indoles / chemical synthesis*
  • Indoles / pharmacology*
  • Kinetics
  • Ligands
  • Magnetic Resonance Spectroscopy
  • Piperazines / chemical synthesis*
  • Piperazines / pharmacology*
  • Radiopharmaceuticals
  • Receptors, Adrenergic, alpha-1 / drug effects*
  • Stereoisomerism
  • Structure-Activity Relationship
  • Tetralones

Substances

  • Adrenergic alpha-Antagonists
  • Indicators and Reagents
  • Indoles
  • Ligands
  • Piperazines
  • Radiopharmaceuticals
  • Receptors, Adrenergic, alpha-1
  • Tetralones
  • 2-(beta-(3-iodo-4-hydroxyphenyl)ethylaminomethyl)tetralone