Azepinone as a conformational constraint in the design of κ-opioid receptor agonists

Paul A. Tuthill, Pamela R. Seida, William Barker, Joel A. Cassel, Serge Belanger, Robert N. DeHaven, Michael Koblish, Susan L. Gottshall, Patrick J. Little, Diane L. DeHaven-Hudkins, Roland E. Dolle

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A new class of κ-opioid receptor agonists is described. The design of these agents was based upon energy minimization and structural overlay studies of the generic azepin-2-one structure 3 with the crystal structure of arylacetamide κ agonist 1, ICI 199441. The most active compound identified was ligand 4a (K i = 0.34 nM), which demonstrated potent antinociceptive activity after oral administration in rodents.

Original languageEnglish
Pages (from-to)5693-5697
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume14
Issue number22
DOIs
StatePublished - Nov 15 2004

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