Purine compounds and uses thereof as cannabinoid receptor ligands

摘要

Disclosed is a compound of formula (I) wherein: A and B are optionally substituted aryl or optionally substituted heteroaryl; R1 is hydrogen, (C1-C4) alkyl, halo-substituted (C1-C4)alkyl, or (C1- C4) alkoxy; and R4 is as defined in the specification. The compounds are useful as cannabinoid receptor ligands, in particular CB-1 receptor ligands.