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N-4-t-Butylbenzyl 2-(4-methylsulfonylaminophenyl) propanamide TRPV1 antagonists: Structure-activity relationships in the A-region

  • Yong Soo Kim
  • , Min Jung Kil
  • , Sang Uk Kang
  • , Hyungchul Ryu
  • , Myeong Seop Kim
  • , Yongsung Cho
  • , Rahul S. Bhondwe
  • , Shivaji A. Thorat
  • , Wei Sun
  • , Keliang Liu
  • , Jin Hee Lee
  • , Sun Choi
  • , Larry V. Pearce
  • , Vladimir A. Pavlyukovets
  • , Matthew A. Morgan
  • , Richard Tran
  • , Jozsef Lazar
  • , Peter M. Blumberg
  • , Jeewoo Lee

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Structure-activity relationships for the A-region in a series of N-4-t-butylbenzyl 2-(4-methylsulfonylaminophenyl) propanamides as TRPV1 antagonists have been investigated. Among them, the 3-fluoro analogue 54 showed high binding affinity and potent antagonism for both rTRPV1 and hTRPV1 in CHO cells. Its stereospecific activity was demonstrated with marked selectivity for the (S)-configuration (54S versus 54R). A docking study of 54S with our hTRPV1 homology model highlighted crucial hydrogen bonds between the ligand and the receptor contributing to its potency.

Original languageEnglish
Pages (from-to)215-224
Number of pages10
JournalBioorganic and Medicinal Chemistry
Volume20
Issue number1
DOIs
StatePublished - 1 Jan 2012

Bibliographical note

Funding Information:
This research was supported by Research Funding from Digitalbiotech, Grants R11–2007–107–02001-0 from the National Research Foundation of Korea (NRF), the National Core Research Center (NCRC) program (No. 2011-0006244) of MEST and NRF through the Center for Cell Signaling & Drug Discovery Research at Ewha Womans University, and the intramural program of the National Institutes of Health, Center for Cancer Research, National Cancer Institute (project Z1A BC 005270).

Keywords

  • Analgesic
  • Capsaicin
  • Molecular modeling
  • Resiniferatoxin
  • TRPV1 antagonists

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