Synthesis and anticancer property of three new Cu(II) coordination polymers constructed by the bifunctional substituted-polynitrogen heterocyclic ligands
作者:Ao-Lin Zhang、Xin-Chen Li、Juan Min、Li-Tao Tan、Hong-Liang Xu、Xiao-Ge Zhu、Yu-Xin Yao、Zu-Hui Zheng、Jian-Wei Zhu、Jie Yang
DOI:10.1016/j.ica.2021.120380
日期:2021.7
Three different substituted multi-nitrogen heterocyclic ligands, Hatzpa (Hatzpa = 3-(5-Amino-tetrazol-1-yl)-propionic acid), Hpytzipa (Hpytzipa = 2-(5-Pyridin-3-yl-tetrazol-2-yl)-propionic acid), Hphtz (Hphtz = 4-(4-hydroxyphenyl)-1,2,4-triazole) have been chosen to react with CuCl2·2H2O, resulting in the formation of three new complexes [Cu(atzpa)2] (1), [Cu(pytzipa)2] (2) and [Cu4(Hphtz)8](ClO4)4·4H2O
三种不同的取代多氮杂环配体Hatzpa(Hatzpa = 3-(5-氨基-四唑-1-基)-丙酸),Hpytzipa(Hpytzipa = 2-(5-吡啶-3--3-基-四唑-2-酰基)-丙酸),Hphtz(Hphtz = 4-(4-羟苯基)-1,2,4-三唑)已选择与CuCl 2 ·2H 2 O反应,从而形成了三个新的配合物[Cu (atzpa)2 ](1),[Cu(pytzipa)2 ](2)和[Cu 4(Hphtz)8 ](ClO 4)4 ·4H 2 O(3)。三个配体的配位点主要受多氮杂环的不同取代基影响。这些配合物已通过元素分析,IR和单晶X射线衍射进行了表征。复合体1显示2D结构;复合体2显示2D层网络;配合物3显示出四核Cu(II)结构。这些复合物显示出对人宫颈癌细胞(HeLa)的相当大的细胞毒性。MTT分析表明,与复合物1和2相比,复合物3具有最低一半的最大抑制浓度(IC 5