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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Structural diversity of copper complexes with angular and linear dipyridyl ligands
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Structural diversity of copper complexes with angular and linear dipyridyl ligands

机译:具有角和线性二吡啶基配体的铜配合物的结构多样性

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摘要

The versatile coordination properties of the 2,2' and 4,4'-Iong conjugated bidentate ligands 2,5-bis(2-pyridylethynyl)thiophene (LI), 2,2'-dipyridyldisulfide (L-2) and 4,4'-dipyridyldisulfide (L-3) with copper acetate has been investigated. Reactions with 2,5-bis(2-pyridylethynyl)thiophene (LI) and 4,4'-dipyridyldisulfide (L3) leads to two types of complexes. So, when methanol solutions of Cu(OAC)(2) (.) H2O were allowed to diffuse into a solution of L-1 or L-3 (ratio 1:1), green crystals of the molecular 1:2 adduct Cu-2(mu-OAc)(4)(L-1)(2) (1) and the infinite coordination polymer [Cu-2(mu-OAc)(4)(L-3)](n) (2) were obtained. The reaction with L-2, under reflux in MeOH, affords the copper(I) cluster Cu-6(SC5H4N)(6) (3) and the dimer [Cu(mu-S)(L-2)](2) (4). Compound 3 was already known by reaction of the copper(I) salt [Cu(NCMe)(4)]PF6 with SC5H4NH in acetone. The structures were determined by X-ray crystallography and their magnetic properties examined. (C) 2007 Elsevier Ltd. All rights reserved.
机译:2,2'和4,4'-Iong共轭双齿配体2,5-双(2-吡啶基乙炔基)噻吩(LI),2,2'-二吡啶基二硫化物(L-2)和4,4的通用配位特性已经研究了具有乙酸铜的'-二吡啶基二硫化物(L-3)。与2,5-双(2-吡啶基乙炔基)噻吩(LI)和4,4'-二吡啶基二硫化物(L3)的反应产生两种类型的络合物。因此,当使Cu(OAC)(2)(。)H2O的甲醇溶液扩散到L-1或L-3溶液(比率1:1)中时,分子1:2的绿色晶体加成了Cu- 2(mu-OAc)(4)(L-1)(2)(1)和无限配位聚合物[Cu-2(mu-OAc)(4)(L-3)](n)(2)为获得。在甲醇中回流下,与L-2反应,得到铜(I)簇Cu-6(SC5H4N)(6)(3)和二聚体[Cu(mu-S)(L-2)](2) (4)。通过铜(I)盐[Cu(NCMe)(4)] PF6与SC5H4NH在丙酮中的反应,已经知道化合物3。通过X射线晶体学确定结构并检查其磁性能。 (C)2007 Elsevier Ltd.保留所有权利。

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