两个一维铜配位聚合物的合成、晶体结构及其与双氧水的氧化反应(英文) |
Syntheses, Structure and Oxidation Reaction of Two 1D Copper(Ⅱ) Coordination Polymers with H2O2 |
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摘要: 本文利用柔性的N,N,N′,N′-间-二甲苯二胺四乙酸(H4L)及不同的氮杂环配体如刚性的4-4′-联吡啶(4,4′-bipy)及柔性的间-二(咪唑-1-亚甲基)苯(mbix)构筑了2个新的一维铜配位聚合物{[Cu2L(4,4′-bipy)(H2O)2]·2.5H2O}n(1)和{[Cu2L(mbix)(H2O)2]·3H2O}n(2),并对其进行了元素分析、红外光谱和X-ray单晶衍射表征。另外利用紫外-可见光谱的方法对2个化合物与H2O2的氧化反应进行了研究,结果表明虽然化合物1和2在高浓度的H2O2条件下均发生了分子断裂,但仍能使配体L4-中二甲苯基联接体C2位置发生羟基化。 |
关键词: 铜 聚合物 氧化反应 双氧水 |
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Abstract: Two 1D copper coordination polymers, {[Cu2L(4,4′-bipy)(H2O)2]·2.5H2O}n(1) and {[Cu2L(mbix)(H2O)2]·3H2O}n(2) (H4L=N,N,N′,N′-m-xylylenediamine tetracetic acid, mbix=m-bis(imidazol-1-ylmethyl)benzene) have been synthesized for the continuance of our research work on the coordination frameworks and oxidation reaction of copper(Ⅱ) complexes with ligand L4-. Compound 1 crystallizes in monoclinic system with space group P21/c and compound 2 crystallizes in space group P1 with triclinic system, and they both form a 1D zigig-like chain. Interchain hydrogen-bonding interactions further extend the 1D arrangement to generate a 3D supramolecular architecture for 1 and 2. UV-Vis spectra shows that compound 1 and 2 both can hydroxylate the xylyl linker in the supporting ligand L4- in spite of chemical degradation of the two compounds by reaction with H2O2. CCDC: 888051, 1; 888052, 2. |
Keywords: copper(Ⅱ) polymer oxidation reaction H2O2 |
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陈志明,倪天军,宫 腾,赵永梅,朱守荣.两个一维铜配位聚合物的合成、晶体结构及其与双氧水的氧化反应(英文)[J].无机化学学报,2012,28(9):2005-2010. |
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