Facile template synthesis of water-soluble triazine-based Schiff base ligand bridged-coordination polymers of Co(<scp>ii</scp>), Ni(<scp>ii</scp>), and Cu(<scp>ii</scp>): structure, biomolecular interactions, and cytotoxic activity
作者:Sheikdawood Parveen、Thathan Premkumar、Hung Huy Nguyen、Subbiah Govindarajan
DOI:10.1039/c9nj02377a
日期:——
A new set of water-soluble coordination polymers of Co(II), Ni(II), and Cu(II) with 3-(4-amino-3,5-dioxo-2,3,4,5-tetrahydro-[1,2,4]triazin-6-yl)-propionic acid ligand (HL) was synthesized and characterized. The powder X-ray diffraction (PXRD) pattern confirmed the isostructurality between Co(II) and Ni(II) complexes, whereas the Cu(II) complex had a slightly different coordination environment. The
一组新的Co(II),Ni(II)和Cu(II)与3-(4-氨基-3,5-二氧代-2,3,4,5-四氢-[[合成并表征了1,2,4]三嗪-6-基)丙酸配体(HL)。粉末X射线衍射(PXRD)图谱证实了Co(II)和Ni(II)配合物之间的同构性,而Cu(II)配合物具有稍微不同的配位环境。钴配合物在Co(II)离子周围具有八面体几何形状,在该处三嗪配体(L)通过O / N双齿模式并桥接两个金属中心以形成一维聚合物单元,这已由单晶X射线数据证实。使用DPPH˙(2,2-二苯基-1-吡啶基肼基),ABTS˙ + [2,2'-叠氮基双-(3-乙基苯并噻唑啉-6-磺酸二铵盐)],NO˙(一氧化氮)进行体外抗氧化剂测定和O 2 ˙ - (超氧)进行自由基以评估自由基清除能力,并表明在一般与Cu复合物(II与配体相比,)配合物特别具有显着的自由基清除活性。确定了对生物分子如小牛胸腺DNA(CT-DNA