t-Butyl pyridine and phenyl C-region analogues of 2-(3-fluoro-4-methylsulfonylaminophenyl)propanamides as potent TRPV1 antagonists
作者:Sunho Lee、Dong Wook Kang、HyungChul Ryu、Changhoon Kim、Jihyae Ann、Hobin Lee、Eunhye Kim、Sunhye Hong、Sun Choi、Peter M. Blumberg、Robert Frank-Foltyn、Gregor Bahrenberg、Hannelore Stockhausen、Thomas Christoph、Jeewoo Lee
DOI:10.1016/j.bmc.2017.03.004
日期:2017.4
A series of 2-substituted 6-t-butylpyridine and 4-t-butylphenyl C-region analogues of 2-(3-fluoro-4-methylsulfonamidophenyl)propanamides were investigated for hTRPV1 antagonism. The analysis of structure activity relationships indicated that the pyridine derivatives generally exhibited a little better antagonism than did the corresponding phenyl surrogates for most of the series. Among the compounds
研究了一系列 2-(3-氟-4-甲基磺酰氨基苯基)丙酰胺的 2-取代 6-叔丁基吡啶和 4-叔丁基苯基 C 区类似物的 hTRPV1 拮抗作用。结构活性关系分析表明,对于大多数系列,吡啶衍生物通常比相应的苯基替代物表现出更好的拮抗作用。其中,化合物7对辣椒素活化表现出优异的拮抗作用,Ki=0.1nM,而化合物60S在神经病理性疼痛模型中表现出强效的抗异常疼痛作用,10mg/kg的MPE为83%。hTRPV1同源模型中7S的对接研究表明,7S的A/B区与Tyr511之间的相互作用以及7S的C区中的叔丁基和乙基与Tyr511的两个疏水结合袋之间的相互作用hTRPV1 促成了高效力。