Discovery of 1-(1H-indazol-4-yl)-3-((1-phenyl-1H-pyrazol-5-yl)methyl) ureas as potent and thermoneutral TRPV1 antagonists
作者:Jin Mi Kang、Sun Ok Kwon、Jihyae Ann、Peter M. Blumberg、Heejin Ha、Young Dong Yoo、Robert Frank-Foltyn、Bernhard Lesch、Gregor Bahrenberg、Hannelore Stockhausen、Thomas Christoph、Jeewoo Lee
DOI:10.1016/j.bmcl.2020.127548
日期:2020.12
A series of 1-indazol-3-(1-phenylpyrazol-5-yl)methyl ureas were investigated as hTRPV1 antagonists. The structure-activity relationship study was conducted systematically for both the indazole A-region and the 3-trifluoromethyl/t-butyl pyrazole C-region to optimize the antagonism toward the activation by capsaicin. Among them, the antagonists 26, 50 and 51 displayed highly potent antagonism with Ki(CAP)
研究了一系列1-吲唑-3-(1-苯基吡唑-5-基)甲基脲作为h TRPV1拮抗剂。系统地研究了吲唑A区和3-三氟甲基/叔丁基吡唑C区的结构-活性关系,以优化对辣椒素活化的拮抗作用。其中,拮抗剂26,50和51显示具有高度有效的拮抗作用ķ我(CAP) = 0.4-0.5纳米。此外,在小鼠体内的研究表明,这些衍生物均拮抗辣椒素诱导的体温过低,与它们的体外相符活动,并且他们自己没有诱发热疗。在福尔马林模型中,51以剂量依赖性方式显示出抗伤害感受活性。