The discovery of potent, selective, and orally bioavailable PDE9 inhibitors as potential hypoglycemic agents

Bioorg Med Chem Lett. 2009 May 1;19(9):2537-41. doi: 10.1016/j.bmcl.2009.03.024. Epub 2009 Mar 13.

Abstract

Starting from a non-selective pyrazolo-pyrimidone lead, the sequential use of parallel medicinal chemistry and directed synthesis led to the discovery of potent, highly selective, and orally bioavailable PDE9 inhibitors. The availability of these tools allowed for a thorough evaluation of the therapeutic potential of PDE9 inhibition.

MeSH terms

  • 3',5'-Cyclic-AMP Phosphodiesterases / chemistry*
  • 3',5'-Cyclic-AMP Phosphodiesterases / metabolism
  • Administration, Oral
  • Catalytic Domain
  • Crystallography, X-Ray
  • Cyclic GMP / metabolism
  • Diabetes Mellitus / drug therapy
  • Drug Design
  • Humans
  • Hypoglycemia / drug therapy*
  • Hypoglycemic Agents / administration & dosage*
  • Hypoglycemic Agents / chemical synthesis*
  • Hypoglycemic Agents / pharmacology
  • Inhibitory Concentration 50
  • Models, Chemical
  • Permeability
  • Phosphodiesterase Inhibitors / chemical synthesis*
  • Phosphodiesterase Inhibitors / pharmacology
  • Structure-Activity Relationship

Substances

  • Hypoglycemic Agents
  • Phosphodiesterase Inhibitors
  • 3',5'-Cyclic-AMP Phosphodiesterases
  • PDE9A protein, human
  • Cyclic GMP