Hetrocyclic compounds that are inhibitors of the enzyme DPP-IV

摘要

The present invention relates to therapeutically active and selective inhibitors of the enzyme DPP-IV, pharmaceutical compositions comprising the compounds and the use of such compounds for and the manufacture of medicaments for treating diseases that are associated with proteins that are subject to inactivation by DPP-IV, such as type 2 diabetes and obesity. The present inhibitors are novel purine derivatives, attached at position 8 of the purine skeleton to a diamine.