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The discovery of novel CB2 ligands based on the 3-carbamoyl-2-pyridone derivatives by adjusting the size of side chain at 1-, 5- and 6-position is reported. The structure-activity relationship around this template lead to the identification of S-777469 as a selective CB2 receptor agonist, which exhibited the significant inhibition of scratching induced by(More)
The optimization of a series of 3-carbamoyl 2-pyridone derivatives as CB agonists is reported. These efforts resulted in the discovery of 3-(2-(1-(cyclohexylmethyl)-2-oxo-1,2,5,6,7,8,9,10-octahydrocycloocta[b]pyridine-3-carboxamido)thiazol-4-yl)propanoic acid (21), a potent dual CB1/CB2 agonist without CNS side effects induced by CB1 receptor activation. It(More)
Our lead compound 1 showed high affinity for both CB1 and CB2 receptors, suggesting the possibility of inducing psychoactive side effects through the CB1 receptor in the brain. To solve this issue, polar functional groups were introduced at the 3-position of the pyridone core of compound 1 to find CB1/2 dual agonists such as 17 and 20 which did not show any(More)
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