Identification of N-phenyl-3-methoxy-4-pyridinones as orally bioavailable H3 receptor antagonists and β-amyloid aggregation inhibitors for the treatment of Alzheimer’s disease
作者:Minkui Zhang、Li Tang、Liu Jiang、Jun Wei、Yongzhou Hu、Rong Sheng
DOI:10.1016/j.ejmech.2020.113096
日期:2021.2
functional agents for therapy of Alzheimer’s disease, through introducing alkyloxy moiety into 4-pyridinone ring to avoid the possible phase II metabolism of 3-hydroxy-4-pyridinone in lead compound 3-hydroxy-2-methyl-1-(4-(3-(pyrrolidin-1-yl)propoxy)phenyl)-pyridin-4(1H)-one (4). In vitro studies indicated that most of these compounds exhibit excellent H3 receptor antagonistic activities and potent
根据我们以前的工作,通过将烷氧基部分引入4-吡啶酮环中以避免可能的II期,设计了一系列N-苯基-3-甲氧基-4-吡啶酮衍生物作为口服生物可利用的双重功能药物,用于治疗阿尔茨海默氏病铅化合物的3-羟基-4-吡啶酮的代谢3-羟基-2-甲基-1-(4-(3-(吡咯烷-1-基)丙氧基)苯基) -吡啶-4-(1 ħ) -酮( 4)。体外研究表明,这些化合物大多数都具有出色的H 3受体拮抗活性和强力的自诱导Aβ1-40 / Aβ1-42聚集抑制活性。特别是,3-甲氧基-1-(4-(3-(吡咯烷基-1-基)丙氧基)苯基)-吡啶-4(1H)-一(7i)在H 3 R拮抗作用中显示IC 50值为0.52 nM。对其他组胺受体亚型具有良好的选择性。透射电子显微镜(TEM)图像显示化合物7i可有效抑制自我介导的Aβ1-40 / Aβ1-42聚集。如预期的那样,它在血浆中表现出理想的药代动力学性质和良好的BBB渗透