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  • Title: Development of a novel class of monocyclic and bicyclic alkyl amides that exhibit CB1 and CB2 cannabinoid receptor affinity and receptor activation.
    Author: Berglund BA, Fleming PR, Rice KC, Shim JY, Welsh WJ, Howlett AC.
    Journal: Drug Des Discov; 2000; 16(4):281-94. PubMed ID: 10807034.
    Abstract:
    CB1 and CB2 cannabinoid receptors can be activated by several different classes of agonists, including cannabinoids such as delta9-tetrahydrocannabinol and 9-nor-9beta-hydroxyhexahydrocannabinol, and eicosanoids such as arachidonylethanolamide. Structure-activity relationship studies have identified potential pharmacophoric elements for binding to cannabinoid receptors by both cannabinoids and eicosanoids. Molecular models have hypothesized conformational, spatial, and pharmacophoric distance requirements based upon radioligand binding data whereby overlap of pharmacophoric elements of the two classes disclose a low energy conformation of arachidonylethanolamide that can occupy the same receptor space as cannabinoid ligands. To test this model, we have developed a novel class of monocyclic and bicyclic alkyl amide cannabinoid receptor ligands. Further, we predicted a spatial conformation for these compounds in a molecular model based on the pharmacophoric and structural requirements for binding to the CB1 cannabinoid receptor.
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