Synthesis and characterization of a (1+1) cyclic Schiff base of a lower rim 1,3-diderivative of p-tert-butylcalix[4]arene and its complexes of VO2+, UO22+, Fe3+, Ni2+, Cu2+ and Zn2+

被引：13

作者：

Ali, Amjad ^{[1
]}

Joseph, Roymon ^{[1
]}

Mahieu, Bernard ^{[2
]}

Rao, Chebrolu P. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Bioinorgan Lab, Bombay 400076, Maharashtra, India

[2] Catholic Univ Louvain, CSTR, Dept Chem, B-3000 Louvain, Belgium

来源：

POLYHEDRON | 2010年 / 29卷 / 03期

关键词：

Calix[4]arene based Schiff base; Metal complex; Mossbauer spectroscopy; EPR spectroscopy; SELECTIVE RECOGNITION; MAGNETIC EXCHANGE; CALIXARENE; LIGANDS; CATALYSTS; COORDINATION; PENDANTS; IMINE; ION; DERIVATIVES;

D O I：

10.1016/j.poly.2009.12.020

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A (1+1) macrocyclic calix[4]arene based Schiff base derivative has been synthesized and was subjected to complexation with different Ions or ionic species. viz, VO2+, UO22+, Fe-,(3+) Ni2+, CU2+ and Zn-.(2+) Both the conjugate and the complexes were characterized using various spectral techniques, viz, FTIR, H-1, C-13 NMR and FAB mass The complexes have been further characterized by UV-Vis, EPR and magnetic susceptibility, while the Iron complex was studied further by Mossbauer spectroscopy On the basis of all these studies, the VO2+ and UO22+ complexes were found to be mononuclear, whereas all the other complexes were found to be dinuclear. Based on the studies, the Iron complex was found have a distorted octahedral high spin Fe(III) center with an antiferromagnetically Coupled dinuclear core in the complex. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1035 / 1040

页数：6

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