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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Electrochemical synthesis and structural characterisation of zinc,cadmium and mercury complexes of heterocyclic bidentate ligands(N,S)
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Electrochemical synthesis and structural characterisation of zinc,cadmium and mercury complexes of heterocyclic bidentate ligands(N,S)

机译:杂环二齿配体(N,S)的锌,镉和汞配合物的电化学合成和结构表征

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The electrochemical oxidation of anodic metal(zinc or cadmium)in acetonitrile solutions of 3-trifluoromethyl-pyridine-2-thione(3-CF_3-pySH)or 5-trifluoromethylpyridine-2-thione(5-CF_3-pySH)affords complexes [M(R-pyS)_2],M=Zn,Cd,R=3-CF_3,5-CF_3.Adducts of these compounds with 2,2'-bipyridine(bipy)or 1,10-phenanthroline(phen)were also obtained when the bidentate coligand was present in the cell.On the other hand,reaction of a methanol solution of mercury acetate with the corresponding pyridine-2-thione in the presence of triethylamine affords compounds of composition [Hg(R-pyS)_2].All the compounds obtained have been characterised by micro-analysis,IR spectroscopy and,in cases where the compound was sufficiently soluble,by ~1H,~(13)C and ~(199)Hg NMR spectroscopy.The compounds [Zn(3-CF_3-pyS)_2(bipy)](1),[Zn(3-CF_3-pyS)_2(phen)]centre dot CH_3CN(2),[Zn(5-CF_3-pyS)_2-(bipy)](3),[Cd(3-CF_3-pyS)_2(DMF)]_2(4),[Cd_2(5-CF_3-pyS)_4(DMF)]_n(5),[Cd(3-CF_3-pyS)_2(bipy)]centre dot CH_3CN(6),[Hg(3-CF_3-pyS)_2](7)and [Hg(5-CF_3-pyS)_2].(8)were also characterised by X-ray diffraction.
机译:3-三氟甲基吡啶-2-硫酮(3-CF_3-pySH)或5-三氟甲基吡啶-2-硫酮(5-CF_3-pySH)affords络合物在乙腈溶液中的阳极金属(锌或镉)的电化学氧化[M (R-pyS)_2],M = Zn,Cd,R = 3-CF_3,5-CF_3。还获得了这些化合物与2,2'-联吡啶(bipy)或1,10-菲咯啉(phen)的加合物另一方面,在三乙胺存在下,乙酸汞的甲醇溶液与相应的吡啶-2-硫酮的反应,得到组成为[Hg(R-pyS)_2]的化合物。所获得的所有化合物均已通过微分析,红外光谱进行了表征,并且在化合物充分溶解的情况下,通过〜1H,〜(13)C和〜(199)Hg NMR光谱进行了表征。化合物[Zn(3- CF_3-pyS)_2(bipy)](1),[Zn(3-CF_3-pyS)_2(phen)]中心点CH_3CN(2),[Zn(5-CF_3-pyS)_2-(bipy)]( 3),[Cd(3-CF_3-pyS)_2(DMF)] _ 2(4),[Cd_2(5-CF_3-pyS)_4(DMF)] _ n(5),[Cd(3-CF_3-pyS) _2(bipy)]中心点CH_3CN(6),[Hg(3-C F_3-pyS)_2](7)和[Hg(5-CF_3-pyS)_2]。(8)的特征还在于X射线衍射。

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