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Cobalt, nickel and copper complexes with glycinamide: structural insights and magnetic properties

机译:含有甘氨酸的钴,镍和铜配合物:结构见解和磁性

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摘要

Ten new compounds of Co, Ni and Cu with glycinamide (HL = glycinamide): [Co(H2O)(2)(HL)(2)]Cl-2 (1a), [Co(H2O)(2)(HL)(2)]Br1.06Cl0.94 (1b), [Co(H2O)(2)(HL)(2)]I-2 (1c), [Ni(H2O)(2)(HL)(2)]Cl-2 (2a), [Ni(H2O)(2)(HL)(2)]Br0.94Cl1.06 (2b), [Ni(H2O)(2)(HL)(2)]I-2 (low and room temperature polymorph, 2c(LT) and 2c(RT)), [CuCl2(HL)(2)] (3a), [CuBr1.3Cl0.7(HL)(2)] (3b) and {[Cu(HL)(2)](2)[Cu2I6]}(n) (3c), as well as glycinamide hydroiodide (H2LI) and a new polymorph of glycinamide hydrochloride (beta-H2LCl) were prepared and characterized by single-crystal X-ray diffraction, infrared spectroscopy, thermal analysis (TG/DTA) and ESR spectroscopy. 1a, 1b, 2a and 2b are isostructural, as well as 1c and 2c(RT), while the Cu compounds (3a-c) have entirely different molecular structures. All investigated compounds are mononuclear with exception of the 1D coordination polymer 3c. Compound 3c contains copper ions in the mixed oxidation state Cu(i) and Cu(ii) with interesting magnetic properties. Paramagnetic behaviour was found in 1a, 1b, 3a and 3b. Temperature induced polymorphic transformation was observed in 2c. Compounds 1a and 3a showed moderate antiproliferative activity and selectivity toward the human breast tumor cell line MCF-7.
机译:用糖酰胺(HL =甘氨酸)的十种新的CO,Ni和Cu化合物(HL =甘氨酸):[CO(H 2 O)(2)(2)(2)(2))Cl-2(1A),[Co(H 2 O)(2)(HL) (2)] BR1.06CL0.94(1B),[CO(H 2 O)(2)(HL)(2)] I-2(1C),[Ni(H2O)(2)(2)(2)] C1-2(2A),[Ni(H 2 O)(2)(2)(2)] BR0.94Cl1.06(2B),[Ni(H 2 O)(2)(2)(HL)(2)] I-2(低温和室温多晶型物,2℃(LT)和2℃(RT)),[CuCl 2(HL)(2)](3A),[CUBR1.3Cl0.7(HL)](3B)和{[Cu (HL)(2)](2)[Cu 2 I6]}(N)(3C)以及制备糖酰胺氢酰胺(H2LI)和糖酰胺盐酸甘氨酸盐酸盐(β-H2LCL)的新多晶型物,并用单晶x表征 - 射线衍射,红外光谱,热分析(Tg / DTA)和ESR光谱。如图1A,1B,2A和2B所示,也是1C和2C(RT),而Cu化合物(3A-C)具有完全不同的分子结构。所有所研究的化合物都是单核,其除了1D配位聚合物3c外。化合物3c在混合氧化态Cu(I)和Cu(II)中含有铜离子,具有有趣的磁性。在1A,1B,3A和3B中发现了顺磁性行为。在2C中观察到温度诱导的多态转化。化合物1A和3A显示了适度的抗增殖活性和对人乳腺肿瘤细胞系MCF-7的选择性。

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  • 来源
    《RSC Advances》 |2019年第38期|共9页
  • 作者单位

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

    Rudjer Boskovic Inst Div Phys Chem Lab Magnet Resonances Bijenicka 54 HR-10000 Zagreb Croatia;

    Rudjer Boskovic Inst Div Phys Chem Lab Magnet Resonances Bijenicka 54 HR-10000 Zagreb Croatia;

    Univ Zagreb Fac Sci Dept Chem Horvatovac 102a HR-10000 Zagreb Croatia;

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  • 中图分类 化学;
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