The synthesis, structure and activity evaluation of pyrogallol and catechol derivatives as Helicobacter pylori urease inhibitors
作者:Zhu-Ping Xiao、Tao-Wu Ma、Wei-Chang Fu、Xiao-Chun Peng、Ai-Hua Zhang、Hai-Liang Zhu
DOI:10.1016/j.ejmech.2010.08.015
日期:2010.11
Some pyrogallol and catechol derivatives were synthesized, and their urease inhibitory activity was evaluated by using acetohydroxamic acid (AHA), a well known Helicobacter pylori urease inhibitor, as positive control. The assay results indicate that many compounds have showed potential inhibitory activity against H. pylori urease. 4-(4-Hydroxyphenethyl)phen-1,2-diol (2a) was found to be the most potent
合成了一些邻苯三酚和邻苯二酚衍生物,并使用众所周知的幽门螺杆菌脲酶抑制剂乙酰氧肟酸(AHA)作为阳性对照,评估了它们对脲酶的抑制活性。测定结果表明许多化合物已显示出对幽门螺杆菌脲酶的潜在抑制活性。已发现4-(4-羟基苯乙基)phen-1,2-二醇(2a)是最有效的脲酶抑制剂,提取分数的IC 50值为1.5±0.2μM,完整细胞的IC 50值为4.2±0.3μM,至少10分别比AHA低2倍和20倍(IC 50为17.2±0.9μM,100.6±13μM)。这一发现表明2a潜在的脲酶抑制剂将值得进一步研究。为了理解所观察到的良好活性,进行了2a到幽门螺杆菌脲酶活性位点的分子对接。