6,6-Fused heterocyclic ureas as highly potent TRPV1 antagonists

Wei Sun, Hyo Shin Kim, Sunho Lee, Aeran Jung, Sung Eun Kim, Jihyae Ann, Suyoung Yoon, Sun Choi, Jin Hee Lee, Peter M. Blumberg, Robert Frank-Foltyn, Gregor Bahrenberg, Klaus Schiene, Hannelore Stockhausen, Thomas Christoph, Sven Frormann, Jeewoo Lee

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A series of N-[{2-(4-methylpiperidin-1-yl)-6-(trifluoromethyl)-pyridin-3-yl}methyl] N′-(6,6-fused heterocyclic) ureas have been investigated as hTRPV1 antagonists. Among them, compound 15 showed highly potent TRPV1 antagonism to capsaicin, with Ki(ant) = 0.2 nM, as well as antagonism to other activators, and it was efficacious in a pain model. A docking study of 15 with our hTRPV1 homology model indicates that there is crucial hydrogen bonding between the ring nitrogen and the receptor, contributing to its potency.

Original languageEnglish
Pages (from-to)803-806
Number of pages4
JournalBioorganic and Medicinal Chemistry Letters
Volume25
Issue number4
DOIs
StatePublished - 15 Feb 2015

Keywords

  • Analgesic
  • Molecular modeling
  • TRPV1 antagonist
  • Vanilloid receptor 1

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