A series of new 3-benzoheterocyclic substituted pyridopyrimidines were designed and synthesized. Structures of the compounds were determined by IR, 1H NMR, and elemental analyses. The anti-proliferation activity of 13 novel compounds was evaluated in A549, HL-60, BGC-823 and SMMC-7721 cell lines. Compounds 3, 5, 7, 8, 9, 10 showed potent inhibitory activity against the four tested cancer cell lines
设计并合成了一系列新的3-苯并杂环取代的吡啶并嘧啶。化合物的结构通过IR,1 H NMR和元素分析确定。在A549,HL-60,BGC-823和SMMC-7721细胞系中评估了13种新化合物的抗增殖活性。化合物3,5,7,8,9,10表现出有效的抑制活性对四个测试的癌细胞系。通过测量质粒pBR322中超螺旋DNA的弛豫,检查了这6种化合物在100μmol/ L下对Top I的抑制作用。大多数测试化合物在该浓度下均抑制酶。最有效的化合物9 与喜树碱一样有效。