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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >One-pot template synthesis and properties of Ni(II) complexes of 16-membered hexaaza macrocycles
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One-pot template synthesis and properties of Ni(II) complexes of 16-membered hexaaza macrocycles

机译:一锅模板合成和16元六氮杂大环Ni(II)配合物的性质

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摘要

A new nickel(II) complex of the 16-membered hexaaza macrocyclic ligand ''1,3,7,9,11,15-hexaazacyclohexadecane, (L-1); 1,9-dimethyl-, (L-2); 1,9-diethyl-, (L-3); 1,9-dibutyl(iso)-, (L-4); 1,9-dibutyl(sec)-, (L-5) and 1,9-dibenzyl-1,3,7,9,11,15-hexaazacyclohexadecane (L-6)'' have been prepared by the one-pot template reactions of formaldehyde and propylenediamine (pn) with alkyl and benzyl amine in the presence of nickel(II) ion. The complexes of a hexaaza macrocycle have been characterized by elemental analyses, IR, UV-Vis and C-13 NMR spectroscopy, conductometric and magnetic measurements. The complexes of nickel(II) have square-planar coordination geometry in the solid state and in nitromethane. The spectra of [NiL1-6](ClO4)(2) shows that the four secondary nitrogen atoms are coordinated to the nickel(II) ion. Synthesis, characterization and solution behavior of the nickel(II) complexes of hexaaza macrocycle are reported. (C) 2003 Elsevier Science Ltd. All rights reserved. [References: 38]
机译:16元六氮杂大环配体''1,3,7,9,11,15,六氮杂环十六烷(L-1)的新镍(II)配合物; 1,9-二甲基-,(L-2); 1,9-二乙基-,(L-3); 1,9-二丁基(异)-,(L-4);通过一锅法制备了1,9-二丁基(仲)-,(L-5)和1,9-二苄基-1,3,7,9,11,15-六氮杂环十六烷(L-6)''镍(II)离子存在下甲醛和丙二胺(pn)与烷基和苄基胺的模板反应。通过元素分析,IR,UV-Vis和C-13 NMR光谱,电导和磁测量来表征六氮杂大环的配合物。镍(II)的配合物在固态和硝基甲烷中均具有正方形平面的配位几何形状。 [NiL1-6](ClO4)(2)的光谱表明,四个仲氮原子与镍(II)离子配位。报告了六氮杂大环镍(II)配合物的合成,表征和溶液行为。 (C)2003 Elsevier ScienceLtd。保留所有权利。 [参考:38]

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