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Bioorg Med Chem Lett. 2005 Aug 15;15(16):3665-9.

4-Fluorosulfonylpiperidines: selective 5-HT2A ligands for the treatment of insomnia.

Author information

1
The Neuroscience Research Centre, Merck Sharp and Dohme, Terlings Park, Harlow, Essex CM20 2QR, UK.

Abstract

Incorporation of fluorine at the 4-position of an existing series of sulfonyl piperidine 5-HT2A antagonists gave compounds with increased selectivity over the IKr potassium channel. This work led to the identification of 3b, a compound that gave no increase in QTc in the anesthetized dog up to plasma levels as high as 148 microM. Furthermore, 3b has been shown to increase slow-wave sleep bout duration and to decrease the number of awakenings in rats, indicating the potential utility of 5-HT2A antagonists in the treatment of insomnia.

PMID:
15993598
DOI:
10.1016/j.bmcl.2005.05.104
[Indexed for MEDLINE]

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