Novel Alpha-7 Nicotinic Acetylcholine Receptor Agonists Containing a Urea Moiety: Identification and Characterization of the Potent, Selective, and Orally Efficacious Agonist 1-[6-(4-Fluorophenyl)pyridin-3-yl]-3-(4-piperidin-1-ylbutyl) Urea (SEN34625/WYE-103914)

Alpha-7 nicotinic acetylcholine receptor (α7 nAChR) agonists are promising therapeutic candidates for the treatment of cognitive impairment. We report a series of novel, potent small molecule agonists (4−18) of the α7 nAChR deriving from our continuing efforts in the areas of Alzheimer’s disease and...

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Published in:Journal of medicinal chemistry Vol. 53; no. 11; pp. 4379 - 4389
Main Authors: Ghiron, Chiara, Haydar, Simon N, Aschmies, Suzan, Bothmann, Hendrick, Castaldo, Cristiana, Cocconcelli, Giuseppe, Comery, Thomas A, Di, Li, Dunlop, John, Lock, Tim, Kramer, Angela, Kowal, Dianne, Jow, Flora, Grauer, Steve, Harrison, Boyd, La Rosa, Salvatore, Maccari, Laura, Marquis, Karen L, Micco, Iolanda, Nencini, Arianna, Quinn, Joanna, Robichaud, Albert J, Roncarati, Renza, Scali, Carla, Terstappen, Georg C, Turlizzi, Elisa, Valacchi, Michela, Varrone, Maurizio, Zanaletti, Riccardo, Zanelli, Ugo
Format: Journal Article
Language:English
Published: United States American Chemical Society 10-06-2010
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Summary:Alpha-7 nicotinic acetylcholine receptor (α7 nAChR) agonists are promising therapeutic candidates for the treatment of cognitive impairment. We report a series of novel, potent small molecule agonists (4−18) of the α7 nAChR deriving from our continuing efforts in the areas of Alzheimer’s disease and schizophrenia. One of the compounds of the series containing a urea moiety (16) was further shown to be a selective agonist of the α7 nAChR with excellent in vitro and in vivo profiles, brain penetration, and oral bioavailability and demonstrated in vivo efficacy in multiple behavioral cognition models. Structural modifications leading to the improved selectivity profile and the biological evaluation of this series of compounds are discussed.
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ISSN:0022-2623
1520-4804
DOI:10.1021/jm901692q