含ON供体双齿希夫碱的聚苯乙烯负载螯合树脂及其铜(II)、镍(II)、钴(II)、铁(III)、锌(II)、钼(VI)和铀(VI)配合物的合成和表征

A. Syamal, M.M. Singh
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引用次数: 5

摘要

以氨基甲基化聚苯乙烯和羟丙酮为原料,在聚苯乙烯基体上合成了一种新的双齿状ON施主席夫碱。螯合树脂与金属盐/金属配合物反应形成金属结合聚合物。metal-bound聚合物的公式是:PSLCu (CH3COO)·年代,PSLNi (CH3COO)·3 S, PSLCo (CH3COO)·年代,PSLFeCl2·2 S, PSLZn (CH3COO)·年代,PSLZnCl·年代,PSLMoO2(中航商用飞机有限公司),和PSLUO2 (CH3COO)·S (PSLH = polymer-anchored配体;S =乙醇或甲醇,acac =去质子化乙酰丙酮)。通过元素分析、红外光谱、电子能谱和磁化率测试对聚合物锚定配合物进行了表征。ν(CO)(酒精)和ν(CN)(亚甲基)的负位移表明了聚合物锚定配体的ON供体行为。配合物PSLNi(CH3COO)·3S、PSLCo(CH3COO)·S、PSLFeCl2·2S和PSLCu(CH3COO)2·S具有顺磁性,而PSLZn(CH3COO)·S、PSLZnCl·S、PSLMoO2(acac)和PSLUO2(CH3COO)·S具有抗磁性。聚合物锚定铀(VI)配合物的力常数为7.03 mdyn/Å, O键距离为1.73 Å。铜(II)和钴(II)结合的聚合物呈方形平面结构,镍(II)、铁(III)、钼(VI)和铀(VI)配合物为八面体,锌(II)配合物为四面体。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis and characterization of polystyrene-supported chelating resin containing an ON donor bidentate Schiff base and its copper(II), nickel(II), cobalt(II), iron(III), zinc(II), molybdenum(VI) and uranium(VI) complexes

A new bidentate ON donor Schiff base supported on a polystyrene matrix has been synthesized by the reaction of aminomethylated polystyrene and hydroxyacetone. The chelating resin reacts with metal salt/metal complex and forms metal-bound polymers. The formulae of the metal-bound polymers are: PSLCu(CH3COO)·S, PSLNi (CH3COO)·3S, PSLCo(CH3COO)·S, PSLFeCl2·2S, PSLZn (CH3COO)·S, PSLZnCl·S, PSLMoO2(acac), and PSLUO2(CH3COO)·S (where PSLH = polymer-anchored ligand; S = ethanol or methanol and acac = deprotonated acetylacetone). The polymer-anchored complexes have been characterized by elemental analysis, IR and electronic spectra and magnetic susceptibility measurements. The negative shifts of the ν(CO) (alcoholic) and ν(CN) (azomethine) are indicative of the ON donor behaviour of the polymer-anchored ligand. The complexes PSLNi(CH3COO)·3S, PSLCo(CH3COO)·S, PSLFeCl2·2S, and PSLCu(CH3COO)2·S are paramagnetic while PSLZn(CH3COO)·S, PSLZnCl·S, PSLMoO2(acac), and PSLUO2(CH3COO)·S are diamagnetic. The force constant and UO bond distance of the polymer-anchored uranium(VI) complexes are 7.03 mdyn/Å and 1.73 Å, respectively. The copper(II)- and cobalt(II)-bound polymers exhibit a square planar structure, nickel(II), iron(III), molybdenum(VI) and uranium(VI) complexes are octahedral, and zinc(II) complexes are tetrahedral.

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