Synthesis and crystal structure of Mn(II) complexes with novel macrocyclic Schiff-base ligands containing piperazine moiety

被引：58

作者：

Keypour, Hassan ^{[1
]}

Rezaeivala, Majid ^{[1
]}

Valencia, Laura ^{[2
]}

Perez-Lourido, Paulo ^{[2
]}

机构：

[1] Bu Ali Sina Univ, Fac Chem, Hamadan 65174, Iran

[2] Univ Vigo, Fac Quim, Dept Quim Inorgan, Vigo 36310, Pontevedra, Spain

来源：

POLYHEDRON | 2008年 / 27卷 / 14期

关键词：

Piperazine; Asymmetric macrocyclic Schiff base; Manganese(II) complexes; X-ray crystal structure;

D O I：

10.1016/j.poly.2008.07.012

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of Mn(II) macrocyclic Schiff-base complexes [MnL(n)Cl](+) (n = 1-4) have been prepared via the Mn(II) templated [1+1] cyclocondensation of 2,6-diacetylpyridine or 2,6-pyridinedicarbaldehyde with the symmetrical 1,4-bis(3-aminopropyl)piperazine or the novel asymmetrical N,N'(2-aminoethyl)(3-aminopropyl)piperazine linear amines containing piperazine moiety. The complexes have been characterized by elemental analyses, IR, FAB-MS, magnetic studies and conductivity measurements. The crystal structure of [MnL(2)(CH(3)OH)CI](ClO(4)) and [MnL(4)Cl](PF(6)) complexes have also been determined showing the metal ion in a N(4)OCl pentagonal bipyramidal or N(4)Cl highly distorted octahedral geometry, respectively. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3172 / 3176

页数：5

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