Brain-penetrating 2-aminobenzimidazole H1-antihistamines for the treatment of insomnia
作者:Timothy Coon、Wilna J. Moree、Binfeng Li、Jinghua Yu、Said Zamani-Kord、Siobhan Malany、Mark A. Santos、Lisa M. Hernandez、Robert E. Petroski、Aixia Sun、Jenny Wen、Sue Sullivan、Jason Haelewyn、Michael Hedrick、Samuel J. Hoare、Margaret J. Bradbury、Paul D. Crowe、Graham Beaton
DOI:10.1016/j.bmcl.2009.05.086
日期:2009.8
The benzimidazole core of the selective non-brain-penetrating H-1-antihistamine mizolastine was used to identify a series of brain-penetrating H-1-antihistamines for the potential treatment of insomnia. Using cassette PK studies, brain-penetrating H-1-antihistamines were identified and in vivo efficacy was demonstrated in a rat EEG/EMG model. Further optimization focused on strategies to attenuate an identified hERG liability, leading to the discovery of 4i with a promising in vitro pro. le. (C) 2009 Elsevier Ltd. All rights reserved.