Literature DB >> 22626552

Synthesis and SAR of 4-aminocyclopentapyrrolidines as N-type Ca²⁺ channel blockers with analgesic activity.

Xenia Beebe1, Daria Darczak, Rodger F Henry, Timothy Vortherms, Richard Janis, Marian Namovic, Diana Donnelly-Roberts, Karen L Kage, Carol Surowy, Ivan Milicic, Wende Niforatos, Andrew Swensen, Kennan C Marsh, Jill M Wetter, Pamela Franklin, Scott Baker, Chengmin Zhong, Gricelda Simler, Erica Gomez, Janel M Boyce-Rustay, Chang Z Zhu, Andrew O Stewart, Michael F Jarvis, Victoria E Scott.   

Abstract

A novel 4-aminocyclopentapyrrolidine series of N-type Ca(2+) channel blockers have been discovered. Enantioselective synthesis of the 4-aminocyclopentapyrrolidines was enabled using N-tert-butyl sulfinamide chemistry. SAR studies demonstrate selectivity over L-type Ca(2+) channels. N-type Ca(2+) channel blockade was confirmed using electrophysiological recording techniques. Compound 25 is an N-type Ca(2+) channel blocker that produces antinociception in inflammatory and nociceptive pain models without exhibiting cardiovascular or motor liabilities.
Copyright © 2012 Elsevier Ltd. All rights reserved.

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Year:  2012        PMID: 22626552     DOI: 10.1016/j.bmc.2012.04.057

Source DB:  PubMed          Journal:  Bioorg Med Chem        ISSN: 0968-0896            Impact factor:   3.641


  3 in total

1.  Novel GlyT1 inhibitor chemotypes by scaffold hopping. Part 2: development of a [3.3.0]-based series and other piperidine bioisosteres.

Authors:  Douglas J Sheffler; Michael T Nedelcovych; Richard Williams; Stephen C Turner; Brittany B Duerk; Megan R Robbins; Sataya B Jadhav; Colleen M Niswender; Carrie K Jones; P Jeffrey Conn; R Nathan Daniels; Craig W Lindsley
Journal:  Bioorg Med Chem Lett       Date:  2014-01-13       Impact factor: 2.823

2.  Inhibition of N-type calcium channels by fluorophenoxyanilide derivatives.

Authors:  Ellen C Gleeson; Janease E Graham; Sandro Spiller; Irina Vetter; Richard J Lewis; Peter J Duggan; Kellie L Tuck
Journal:  Mar Drugs       Date:  2015-04-13       Impact factor: 5.118

3.  ω-Conotoxin GVIA mimetics that bind and inhibit neuronal Ca(v)2.2 ion channels.

Authors:  Charlotte Elisabet Tranberg; Aijun Yang; Irina Vetter; Jeffrey R McArthur; Jonathan B Baell; Richard J Lewis; Kellie L Tuck; Peter J Duggan
Journal:  Mar Drugs       Date:  2012-10-22       Impact factor: 6.085

  3 in total

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