Patent ID: 9221822
Filing Date: 2015-12-29
Classification: A61K,A61P,C07D

Abstract:
1. A compound having the formula III or IV: wherein R and wherein schematically represents a saturated or partly unsaturated heterocyclic ring with at least two nitrogen atoms in the said heterocyclic ring and with a total of 5 to 7 atoms in the said heterocyclic ring, and optionally with one or more other heteroatoms in the said heterocyclic ring or attached to one or more carbon atoms of said heterocyclic ring, wherein one of said at least two nitrogen atoms in the heterocyclic ring is attached to a carbon atom 6 of the purine ring; wherein acyl group refers to a carbonyl group adjacent to a C or a pharmaceutical acceptable addition salt thereof and/or a stereoisomer thereof.