Journal of Medicinal Chemistry p. 3094 - 3105 (1995)
Update date:2022-08-03
Topics:
Eissenstat, Michael A.
Bell, Malcolm R.
D'Ambra, Thomas E.
Alexander, E. John
Daum, Sol J.
et al.
Aminoalkylindoles (AAIs) are a novel series of cannabinoid receptor ligands.In this report we disclose the structural features of AAIs which are important for binding to this receptor as measured by inhibition of binding of <3H>Win 55212-2 (5).Functional activity in the mouse vas deferens is also noted and used to distinguish agonists from potential antagonists.The key structural features for potent cannabinoid activity in this series are a bicyclic (naphthyl) substituent at the 3-position, a small (H) substituent at the 2-position, and an aminoethyl (morpholinoethyl) substituent at the 1-position.A 6-bromo analog, Win 54461 (31), has been identified as a potential cannabinoid receptor antagonist.Modeling experiments were done to develop a pharmacophore and also to compare AAI structures with those of classical cannabinoids.The fact that the cannabinoid AAIs arose out of work on a series of cyclooxygenase inhibitors makes sense now that an endogenous cannabinoid ligand has been identified which is a derivative of arachidonic acid.Because of their unique structures and physical properties, AAIs provide useful tools to study the structure and function of the cannabinoid receptor(s).
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