Novel 2,4,5-trisubstituted oxazole derivatives: Synthesis and antiproliferative activity
作者:Xin-Hua Liu、Peng-Cheng Lv、Jia-Yu Xue、Bao-An Song、Hai-Liang Zhu
DOI:10.1016/j.ejmech.2009.04.019
日期:2009.10
)-4-(2,3,4-trimethoxyphenyl)oxazol-5-ylthio)benzo[d]thiazole (6af), 2-(2-(pyridin-3-yl)-4-(2,3,4-trimethoxyphenyl)oxazol-5-ylthio)pyrimidine (6bg) and 2-(2-(2-fluorophenyl)-4-(2,3,4-trimethoxyphenyl)oxazol-5-ylthio)-5-methyl-1,3,4-thiadiazole (6cf) displayed good antiproliferative activity in vitro, which were comparable to the positive control (5-fluorouracil).
微波辐射促进了肟和酰氯的快速O,N-酰化-环脱水级联反应。合成了二十个含有杂环部分的新的2,4,5-三取代的恶唑衍生物,并对其抗增殖活性进行了评估。首次报道了这20种化合物,并通过元素分析,1 H NMR和13 C NMR光谱确定了它们的结构。生物测定测试表明,化合物2-(2-(2-氟苯基)-4-(2,3,4-三甲氧基苯基)恶唑-5-基硫基)苯并[d]噻唑(6af),2-(2-(吡啶) -3-基)-4-(2,3,4-三甲氧基苯基)恶唑-5-基硫基)嘧啶(6bg)和2-(2-(2-氟苯基)-4-(2,3,4-三甲氧基苯基)恶唑-5-基硫基)-5-甲基-1,3,4-噻二唑(6cf)在体外具有良好的抗增殖活性,与阳性对照(5-氟尿嘧啶)相当。