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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Syntheses and ligand interconversions of copper(II) derivatives of the metalloligand [Pt-2(mu-S)(2)(PPh3)(4)]
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Syntheses and ligand interconversions of copper(II) derivatives of the metalloligand [Pt-2(mu-S)(2)(PPh3)(4)]

机译:金属配体[Pt-2(mu-S)(2)(PPh3)(4)]的铜(II)衍生物的合成和配体互变

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The reactivity of the metalloligand [Pt-2(mu-S)(2)(PPh3)(4)] towards a variety of copper(II)-ligand systems has been studied. Reaction of [Pt-2(mu-S)(2)(PPh3)(4)] with copper(II) halide complexes [(CuClL)-L-2] (L=2,2'-bipyridine and 1,10-phenanthroline) gave trinuclear dicationic products [Pt-2(mu-S)(2)(PPh3)(4)CuL](2+), and the 8-hydroxyquinolinate (hq) complex [Cu(hq)(2)] gave [Pt-2(mu-S)(2)(PPh3)(4)Cu(hq)](+), isolated as their BPh4- or PF6- salts. Related cationic complexes with other ancillary amine ligands (1,2-diaminoethane, 1,2-diaminopropane, 1,2-diaminocyclohexane) were obtained by reactions of [Pt-2(mu-S)(2)(PPh3)(4)] with CuCl2 and the amine. In contrast, reaction of [Pt-2(mu-S)(2)(PPh3)(4)] with CuCl2 and NH3 in methanol gave the intensely blue methoxy-bridged dicopper complex [{Pt-2(mu-S)(2)(Ph-P(3))(4)Cu(OMe)}(2)](2+), isolated as its hexa. uorophosphate salt. Copper beta-diketonate complexes reacted with [Pt-2(mu-S)(2)(PPh3)(4)] giving [Pt-2(mu-S)2(PPh3)(4)Cu(beta-diketonate)](+) PF6- complexes, with the CH3COCHCOCH3 (acac) and CF3COCHCO(2-thienyl) (tta) derivatives characterised by X-ray structure determinations. The local Cu(II) environment ranges from distorted square-planar to an intermediate form of square-planar and tetrahedral. The beta-diketonate derivatives show varying stability towards methanolysis, giving [{Pt-2(mu-S)(2)(PPh3)(4)Cu(OMe)}(2)](2+).
机译:研究了金属配体[Pt-2(mu-S)(2)(PPh3)(4)]对多种铜(II)-配体系统的反应性。 [Pt-2(mu-S)(2)(PPh3)(4)]与卤化铜(II)络合物[(CuClL)-L-2](L = 2,2'-联吡啶和1,10 -菲咯啉)制得三核药用产品[Pt-2(mu-S)(2)(PPh3)(4)CuL](2+)和8-羟基喹啉酸酯(hq)复合物[Cu(hq)(2)]。分离出[Pt-2(mu-S)(2)(PPh3)(4)Cu(hq)](+),分离为其BPh4-或PF6-盐。通过[Pt-2(mu-S)(2)(PPh3)(4)反应获得与其他辅助胺配体(1,2-二氨基乙烷,1,2-二氨基丙烷,1,2-二氨基环己烷)的相关阳离子配合物用CuCl 2和胺。相比之下,[Pt-2(mu-S)(2)(PPh3)(4)]与CuCl2和NH3在甲醇中的反应生成了深蓝色的甲氧基桥接双铜络合物[{Pt-2(mu-S)( 2)(Ph-P(3))(4)Cu(OMe)}(2)](2+),以六价孤立。氟磷酸盐。 β-二酮铜酸铜络合物与[Pt-2(mu-S)(2)(PPh3)(4)]反应生成[Pt-2(mu-S)2(PPh3)(4)Cu(β-二酮酸铜)] (+)PF6-配合物,具有CH3COCHCOCH3(acac)和CF3COCHCO(2-噻吩基)(tta)衍生物,其特征在于X射线结构测定。局部Cu(II)环境的范围从扭曲的方形平面到方形平面和四面体的中间形式。 β-二酮衍生物对甲醇分解显示出不同的稳定性,得到[{Pt-2(mu-S)(2)(PPh3)(4)Cu(OMe)}(2)](2+)。

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