1H-Imidazo[4,5-c]quinoline derivatives as novel potent TNF-α suppressors: synthesis and structure–activity relationship of 1-, 2-and 4-substituted 1H-imidazo[4,5-c]quinolines or 1H-imidazo[4,5-c]pyridines
作者:Tomoyuki Izumi、Jun Sakaguchi、Makoto Takeshita、Harumi Tawara、Ken-ichi Kato、Hitomi Dose、Tomomi Tsujino、Yoshinari Watanabe、Hideo Kato
DOI:10.1016/s0968-0896(03)00178-0
日期:2003.6
known as an interferon-alpha (IFN-alpha) inducer, for the aim of finding a novel and small-molecule tumor necrosis factor-alpha (TNF-alpha) suppressor and structure-activity relationship (SAR) are described. Structural modification of a imiquimod analogue, 4-amino-1-[2-(1-benzyl-4-piperidyl)ethyl-1H-imidazo[4,5-c]quinoline (2), which had moderate TNF-alpha suppressing activity without IFN-alpha inducing
咪喹莫特(1)的结构修饰,被称为干扰素-α(IFN-α)诱导剂,目的是寻找一种新型的小分子肿瘤坏死因子-α(TNF-alpha)抑制剂和构效关系(SAR)描述。具有中等TNF-α抑制活性的咪喹莫特类似物4-氨基-1- [2-(1-(苄基-4-哌啶基)乙基] -1H-咪唑并[4,5-c]喹啉(2)的结构修饰没有IFN-α诱导活性,导致发现具有强效TNF的4-氯-2-苯基-1- [2-(4-哌啶基)乙基] -1H-咪唑并[4,5-c]喹啉(10) -α抑制活性。NMR也证实了位置1处的2-(4-哌啶基)乙基的构象方向与TNF-α抑制活性之间的关系。