Design, Synthesis, and Biological Evaluation of Bromophenol Derivatives as Protein Tyrosine Phosphatase 1B Inhibitors
作者:Bo Jiang、Dayong Shi、Yongchao Cui、Shuju Guo
DOI:10.1002/ardp.201100373
日期:2012.6
5‐bis(2,3‐dibromo‐4,5‐dihydroxybenzyl)‐1,2‐benzenediol (BDB) is a bromophenol purified from the marine red alga Rhodomela confervoides and exhibits potent protein tyrosine phosphatase 1B (PTP1B) inhibition (IC50 = 1.7 µmol/L). In an effort to improve the PTP1B inhibitory activity, a series of derivatives were designed, synthesized, and evaluated in vitro. The preliminary structure–activity relationship indicated
3-Bromo-4,5-bis(2,3-dibromo-4,5-dihydroxybenzyl)-1,2-benzodiol (BDB) 是一种从海洋红藻 Rhodomela confervoides 中纯化的溴酚,具有强大的蛋白质酪氨酸磷酸酶 1B( PTP1B) 抑制 (IC50 = 1.7 µmol/L)。为了提高 PTP1B 抑制活性,设计、合成和体外评估了一系列衍生物。初步的构效关系表明,与芳环相连的三环支架和多溴原子(4 到 5 个)对 PTP1B 抑制很重要。其中,化合物 26 对 PTP1B 表现出显着的抑制活性,IC50 为 0.89 µmol/L,比最初的先导化合物 BDB 强约 2 倍。