Design and synthesis of a metabolically stable and potent antitussive agent, a novel δ opioid receptor antagonist, TRK-851
作者:Satoshi Sakami、Koji Kawai、Masayuki Maeda、Takumi Aoki、Hideaki Fujii、Hiroshi Ohno、Tsuyoshi Ito、Akiyoshi Saitoh、Kaoru Nakao、Naoki Izumimoto、Hirotoshi Matsuura、Takashi Endo、Shinya Ueno、Kazuto Natsume、Hiroshi Nagase
DOI:10.1016/j.bmc.2008.07.065
日期:2008.9
oxy-4'H-pyrrolo[3,2,1-ij]quinolino[2',1':6,7]morphinan-14-ol(1b) methanesulfonate (TRK-850), a selective delta opioid receptor antagonist which markedly reduced the number of coughs in a rat cough model. We designed TRK-850 based on naltrindole (NTI), a typical delta opioid receptor antagonist, to improve its permeability through the blood-brain barrier by introducing hydrophobic moieties to NTI. The
先前我们已经报道过(5R,9R,13S,14S)-17-环丙基甲基-6,7-二氢-4,5-环氧-5',6'-二氢-3-甲基氧基-4'H的镇咳作用-pyrrolo [3,2,1-ij] quinolino [2',1':6,7]吗啡喃-14-ol(1b)甲磺酸盐(TRK-850),一种选择性的δ阿片受体拮抗剂,可显着减少大鼠咳嗽模型中的咳嗽。我们设计了基于纳曲酮(NTI)(一种典型的阿片类阿片受体拮抗剂)的TRK-850,以通过将疏水性部分引入NTI来提高其通过血脑屏障的通透性。腹膜内注射的NTI和化合物1b的ED(50)值分别为104微克/千克和2.07微克/千克。止咳药效力的提高可能是由于化合物1b的脑暴露改善所致。但是,1b对细胞色素P450的代谢极为不稳定。