Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu-2(t)-salicylaldimines

Kasumov VT; Koksal F; Zeren Y

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Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu-2(t)-salicylaldimines

机译：N-（二甲基苯基）-3,5-Bu-2（t）-水杨醛亚胺的铜（II）配合物的合成，光谱和氧化还原性质

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A series of copper(II) complexes (CuL2x) with new N-di-methylphenyl-3,5-Bu'(2)-salicylaldimines ((LH)-H-x) were prepared and characterized by IR, UV/vis, H-1 NMR, ESR, cyclic voltammetry techniques and chemical oxidation. (LH)-H-x ligands have been found selectively bind to a Cu-II, rather than to Ni-II, Co-II, Mn-II, VOIV, Zn-II and C-II. ESR examinations of the CuL2x complexes demonstrate that they exist in magnetically diluted mononuclear or coupled triplet-state structures in the solid. The temperature dependent (113-283 K) intensity of the powder ESR spectra for some Cu-2(x) is characteristic of ferromagnetic coupling (J > 0). The reduction potentials of CuL2x in DMSO are sensitive to aniline moieties. Chemical oxidation of CuL2x with (NH4)(2)[Ce(NO3)(6)] in CHCl3 and MeCN solutions at 300 K affords gradually disappearance of their ESR signals and dramatic changes in the electronic spectra as well as the appearance of new maximum bands at 530-672 (CHCl3) and 670-700nm (MeCN), suggesting generation of Cu-II-phenoxyl radical species. (c) 2005 Elsevier B.V. All rights reserved.

机译：制备了一系列与新的N-二甲基苯基-3,5-Bu'（2）-水杨基醛亚胺（（LH）-Hx）形成的铜（II）配合物（CuL2x），并通过IR，UV / vis，H-进行了表征1 NMR，ESR，循环伏安技术和化学氧化。已经发现（LH）-H-x配体选择性地结合于Cu-II，而不是结合于Ni-II，Co-II，Mn-II，VOIV，Zn-II和C-II。对CuL2x配合物的ESR检查表明，它们以磁性稀释的单核或耦合的三重态结构存在于固体中。某些Cu-2（x）的粉末ESR光谱的温度依赖性（113-283 K）强度是铁磁耦合的特征（J> 0）。 DMSO中CuL2x的还原电位对苯胺部分敏感。在300 K的CHCl3和MeCN溶液中，用（NH4）（2）[Ce（NO3）（6）]在CuCl2x中进行化学氧化可使其ESR信号逐渐消失，电子光谱发生显着变化以及出现新的谱带在530-672（CHCl3）和670-700nm（MeCN）处出现，表明生成了Cu-II-苯氧基基团。（c）2005 Elsevier B.V.保留所有权利。

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《Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy》 |2006年第2期|共7页
作者
Kasumov VT; Koksal F; Zeren Y;
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正文语种 eng
中图分类分析化学;
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N-(di-methylphenyl)-3; 5-Bu-2(t)-salicylaldimines; Cu(II) complexes; spectroscopy; electrochemistry; chemical oxidation; TRANSITION-METAL-COMPLEXES; ELECTRONIC PROPERTIES; GALACTOSE-OXIDASE; NUCLEAR COMPLEXES; STEREOCHEMISTRY; REACTIVITY; LIGANDS; ION; SALICYLALDIMINES; CHEMISTRY;

机译：N-（二甲基苯基）-3;5-Bu-2（t）-水杨醛亚胺;铜（II）配合物;光谱;电化学;化学氧化;过渡金属络合物;电子性质;半乳糖氧化酶;核络合物;立体化学;反应性;配体;离子;水杨醛;化学;

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1. Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu-2(t)-salicylaldimines [J] . Kasumov VT, Koksal F, Zeren Y Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy . 2006,第2期

机译：N-（二甲基苯基）-3,5-Bu-2（t）-水杨醛亚胺的铜（II）配合物的合成，光谱和氧化还原性质
2. Synthesis, spectroscopic and redox properties of a novel series of copper(II) complexes of N-alkyl-3,5-Bu-2(t)-salicylaldimines. Generation of the directly coordinated Cu(II)-phenoxyl radical complexes [J] . Kasumov VT, Koksal F, Sezer A Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2005,第10期

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Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu-2(t)-salicylaldimines

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