Novel Transient Receptor Potential Vanilloid 1 Receptor Antagonists for the Treatment of Pain: Structure−Activity Relationships for Ureas with Quinoline, Isoquinoline, Quinazoline, Phthalazine, Quinoxaline, and Cinnoline Moieties
摘要:
Novel transient receptor potential vanilloid 1 (TRPV1) receptor antagonists with various bicyclic heteroaromatic pharmacophores were synthesized, and their in vitro activity in blocking capsaicin activation of TRPV1 was assessed. On the basis of the contribution of these pharmacophores to the in vitro potency, they were ranked in the order of 5-isoquinoline > 8-quinoline = 8-quinazoline > 8-isoquinoline greater than or equal to cinnoline approximate to phthalazine approximate to quinoxaline approximate to 5-quinoline. The 5-isoquinoline-containing compound 14a (hTRPV1 IC50 = 4 nM) exhibited 46% oral bioavailability and in vivo activity in animal models of visceral and inflammatory pain. Pharmacokinetic and pharmacological properties of 14a are substantial improvements over the profile of the high-throughput screening hit 1 (hTRPV1 IC50 = 22 nM), which was not efficacious in animal pain models and was not orally bioavailable.
[EN] FUSED AZABICYCLIC COMPOUNDS THAT INHIBIT VANILLOID RECEPTOR SUBTYPE 1 (VR1) RECEPTOR<br/>[FR] COMPOSES AZABICYCLIQUES FUSIONNES QUI INHIBENT LE RECEPTEUR (VR1) SOUS-TYPE 1 DU RECEPTEUR VANILLOIDE
申请人:ABBOTT LAB
公开号:WO2003070247A1
公开(公告)日:2003-08-28
Compounds of formula (I), are novel VR1 antagonists that are useful in treating pain, inflammatory thermal hyperalgesia, urinary incontinence and bladder overactivity.
Heteroaromatic urea derivatives as vr-1receptor modulators for treating pain
申请人:Brown Elizabeth Rebecca
公开号:US20050107388A1
公开(公告)日:2005-05-19
The present invention provides compounds of formula (I); pharmaceutically acceptable salts and N-oxides thereof in which A, B, D and E are C or N with the proviso that one or more are N, R
1
, R
2
, R
3
, R
4
, R
5
and R
6
are simple substituents, n is 0-3 and y is an aryl, heteroaryl, carbocyclyl or fused-carbocyclyl group; as VR-1 antagonists for treating conditions or diseases in which pain and/or inflammation predominates; the use of the same for manufacturing medicaments, pharmaceutical compositions comprising them and methods of treatment utilising them.
N-Isoquinolin-5-yl-N′-aralkyl-urea and -amide antagonists of human vanilloid receptor 1
作者:Michele C. Jetter、Mark A. Youngman、James J. McNally、Sui-Po Zhang、Adrienne E. Dubin、Nadia Nasser、Scott L. Dax
DOI:10.1016/j.bmcl.2004.04.038
日期:2004.6
Starting from a low micromolar agonist lead identified by high-throughput screening, series of N-isoquinolin-5-yl-N'-aralkyl ureas and analogous amides were developed as potent antagonists of human vanilloid receptor 1 (VR1). The synthesis and structure-activity relationships (SAR) of the series are described. (C) 2004 Elsevier Ltd. All rights reserved.