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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Synthesis, X-ray crystal structure, and solution properties of nickel(II) complexes of new 16-membered mixed-donor-macrocyclic Schiff base ligand incorporating a pendant alcohol function
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Synthesis, X-ray crystal structure, and solution properties of nickel(II) complexes of new 16-membered mixed-donor-macrocyclic Schiff base ligand incorporating a pendant alcohol function

机译:带有侧链醇官能团的新型16元混合供体-大环席夫碱配体的镍(II)配合物的合成,X射线晶体结构和溶液性质

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摘要

The synthesis of N2O3 macrocyclic ligand 8,9,18,19-tetrahydro-7H,17H-dibenzo[fo][1,5,9,13] dioxadiazacyclohexadecin-18-ol (L = 2) and preparation of complexes NiLX2 (X = Cl, Br, 1, ClO4) and NiLXY (X = Cl, Br, I and Y = ClO4) are reported. NiLX2 complexes were prepared by facile template reactions of appropriate dialdehyde 2-[3-(2-formylphenoxy)-2-hydroxypropoxy]bezaldehyde (1) and 1,3-diaminopropane in the presence of Ni(II) salts. Reactions of NiL(ClO4)(2) (2d) with lithium halides resulted in NiLXY complexes. From spectroscopic measurements and conductivity studies of the complexes it is followed that the six-coordinate species NiLX+ are formed in solution except 2d. In all complexes the ligand behaves as a pentadentate ligand. Complexes 2b . CH3CN and 2b . 1.75CH(3)CN (2b = NiLBr2) contain nickel in a distorted octahedral environment of N2O3Br donors. (C) 2003 Elsevier Science Ltd. All rights reserved. [References: 32]
机译:N2O3大环配体8,9,18,19-四氢-7H,17H-二苯并[fo] [1,5,9,13]二氧杂氮杂环十六烷-18-ol(L = 2)的合成和配合物NiLX2(X报道了Cl = Br,1,ClO 4)和NiLXY(X = Cl,Br,I和Y = ClO 4)。通过在Ni(II)盐存在下合适的二醛2- [3-(2-甲酰基苯氧基)-2-羟基丙氧基]苯甲醛(1)和1,3-二氨基丙烷的简便模板反应制备NiLX2复合物。 NiL(ClO4)(2)(2d)与卤化锂的反应生成NiLXY配合物。从配合物的光谱测量和电导率研究可以看出,除了2d外,六配位物种NiLX +在溶液中形成。在所有配合物中,配体均表现为五齿配体。配合物2b。 CH 3 CN和2b。 1.75CH(3)CN(2b = NiLBr2)在扭曲的N2O3Br供体的八面体环境中包含镍。 (C)2003 Elsevier ScienceLtd。保留所有权利。 [参考:32]

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