COPPER(II) ION COMPLEXATION BY THE TETRADENTATE PHOSPHORUS-NITROGEN LIGAND P2N2 AT THE WATER 1,2-DCE INTERFACE

被引：18

作者：

CHENG, YF

SCHIFFRIN, DJ

GUERRIERO, P

VIGATO, PA

机构：

[1] UNIV LIVERPOOL,DEPT CHEM,POB 147,LIVERPOOL L69 3BX,ENGLAND

[2] IST CHIM & TECNOL INORGAN & MAT AVANZATI,I-35020 PADUA,ITALY

来源：

INORGANIC CHEMISTRY | 1994年 / 33卷 / 04期

关键词：

D O I：

10.1021/ic00082a024

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The tetradentate ligand N,N'-bis[2-(diphenylphosphino)phenyl]propane-1,3-diamine (P2N2) has been synthesized and characterized by several analytical methods. The electrochemical properties of P2N2 and its coordination ability with transition metal ions at the water/1,2-dichloroethane interface have been studied by cyclic voltammetry. It was found that P2N2 can chelate copper(II) ion. The transfer of the Cu2+ facilitated by P2N2 has been observed in the presence of Cl-, Br-, or acetate anion in the aqueous phase. An interfacial reaction between the ligand and metal ion has been proposed. A unique selectivity of P2N2 toward copper(II) makes it possible to use this hydrophobic ligand as an extractant in separation processes.

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页码：765 / 769

页数：5

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