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ABSTRACT: The synthesis and structure-activity relationship studies of imidazoles are described. The target compounds 6-20 represent a novel chemotype of potent and CB(2)/CB(1) selective cannabinoid CB(2) receptor antagonists/inverse agonists with very high binding efficiencies in combination with favourable logP and calculated polar surface area values. Compound 12 exhibited the highest CB(2) receptor affinity (K(i)=1.03 nM) in this series, as well as the highest CB(2)/CB(1) subtype selectivity (>9708-fold).
Bioorganic & medicinal chemistry letters 02/2010; 20(3):1084-9. · 2.65 Impact Factor