Imidazoline-modified benzylimidazolines as h5-HT(1D/1B) serotonergic ligands |
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| Authors: | Prisinzano T Law H Dukat M Slassi A MaClean N Demchyshyn L Glennon R A |
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| Affiliation: | Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond 23298-0540, USA. |
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| Abstract: | Sumatriptan, a h5-HT1D and h5-HT1B receptor agonist used clinically as a migraine-abortive, produces certain side effects thought to result from its affinity for h5-HT1B receptors. The present investigation extends our work with benzylimidazolines as novel non-tryptamine h5-HT(1D/1B) ligands. The effect of N-methylation, N-benzylation, ring-aromatization, and variation of the imidazoline ring on affinity both at h5-HT1D and h5-HT1B receptors was examined. Several compounds were identified with good affinity and enhanced (i.e., > 100-fold) h5-HT1D versus hS-HT1B selectivity. |
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