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。