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Preparation Spectroscopic Characterization Theoretical Investigations and In Vitro Anticancer Activity of Cd(II) Ni(II) Zn(II) and Cu(II) Complexes of 4(3

机译:CD(II)Ni(II)Zn(II)和Cu(II)复合物的制备光谱性表征理论研究和体外抗癌活性为4(3

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摘要

Herein, we report the synthesis and characterization of a new Schiff base ligand 3-[[(E)-(3-hydroxyphenyl)-methylidene]amino]-2-methyl-quinazolin-4(3H)-one (HAMQ) and its Cd(II), Ni(II), Zn(II), and Cu(II) complexes (C1–C4). The ligand HAMQ was synthesized by reacting 3-hydroxybenzaldehyde and 3-amino-2-methyl-4(3H)-quinazolinone in a 1:1 molar ratio. The structure of the ligand and its complexes (C1–C4) were evaluated using ultraviolet (UV)–visible (Vis) light spectroscopy, 1H-NMR, Fourier-transform infrared (FT-IR) spectroscopy, MS, elemental analysis, conductance data, and thermogravimetric analysis (TGA). The characterization results suggested that the bidentate ligand, HAMQ, coordinated to the metal center through the lactum oxygen and the azomethine nitrogen. Moreover, all the metal complexes were analyzed using powder X-ray diffraction studies, which revealed that all of them belong to a triclinic crystal system. The research was supplemented by density functional theory (DFT) studies on the IR and UV–Vis spectra, as well as the chemical reactivity of the HAMQ and its four metallic derivatives making use of conceptual density functional theory (CDFT) by means of KID (Koopmans in DFT) methodology. The synthesized complexes displayed significant in vitro anticancer activity against human cancer cell lines (HeLa and HCT-115).
机译:在此,我们报告了新的席夫碱配体3 - [(e) - (3-羟基苯基) - 甲基氨基] -2-甲基 - 喹唑啉-4(3h) - 酮(HAMQ)及其的合成和表征CD(II),Ni(II),Zn(II)和Cu(II)配合物(C1-C4)。通过在1:1摩尔比中反应3-羟基苯甲醛和3-氨基-2-甲基-4(3H) - 喹唑啉酮来合成配体HAMQ。使用紫外(UV)可视化(VIS)光谱,1H-NMR,傅里叶变换红外(FT-IR)光谱,MS,元素分析,电导数据,评估配体和其配合物(C1-C4)的结构和热重分析(TGA)。表征结果表明,由乳内酯氧和氮杂甲酰胺配位的二齿配体与金属中心协调。此外,使用粉末X射线衍射研究进行分析所有金属配合物,透露它们所有这些都属于三级晶体系统。该研究由密度泛函理论(DFT)研究进行补充IR和UV-VIS光谱,以及哈克及其四种金属衍生物的化学反应性,通过KID使用概念密度泛函理论(CDFT)( koopmans在dft)方法。合成的配合物针对人癌细胞系(Hela和Hct-115)显示出显着的体外抗癌活性。

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