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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Structural and spectral studies of palladium(II) complexes of pyridil bis{3-piperidyl-, bis{hexamethyleneiminyl-, bis{N(4)-diethyl- and bis{N(4)-dipropylthiosemicarbazone)
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Structural and spectral studies of palladium(II) complexes of pyridil bis{3-piperidyl-, bis{hexamethyleneiminyl-, bis{N(4)-diethyl- and bis{N(4)-dipropylthiosemicarbazone)

机译:吡啶吡啶双{3-哌啶基-,双{六亚甲基亚氨基-,双{N(4)-二乙基-和双{N(4)-二丙基硫代半碳emi酮)的)钯(II)配合物的结构和光谱研究

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摘要

Pyridil bis{N(4)-substituted thiosemicarbazones}, in which the substituents replacing the NH2 group on the thiosemicarbazone moieties are piperidyl, H(2)Plpip; hexamethyleneiminyl, H(2)Plhexim; diethylamino, H(2)Pl4DE; and dipropylamino, H(2)Pl4DP, have been synthesized. Representative palladium(II) complexes of these bis (thiosemicarbazones) have been characterized by IR, electronic, mass, and H-1 and C-13 NMR spectroscopy. Crystal structures have been determined for H(2)Plhexim and two of its palladium(II) complexes. H(2)Plhexim is in the Z isomeric form with intramolecular hydrogen bonding from both thiosemicarbazone moieties to pyridine nitrogens. [Pd(Plhexim)] has square-planar N2S2 coordination (i. e., imine nitrogen and thiolato sulfur atoms). [Pd(Plhexim)Cl-2].DMSO has two PdNNSCl centers with the pyridine nitrogen, imine nitrogen or hydrazinic nitrogen and thiolato sulfur atoms coordinated. [References: 27]
机译:吡啶双{N(4)-取代的硫代氨基脲化合物},其中取代硫代氨基脲部分上的NH2的取代基是哌啶基,H(2)Plpip;六亚甲基亚氨基,H(2)Phehexim;二乙氨基,H(2)P14DE;合成了二丙基氨基H(2)P14DP。这些双(硫代半氨基甲酮)的代表性钯(II)配合物已通过红外,电子,质谱,H-1和C-13 NMR光谱进行了表征。已经确定了H(2)Plhexim及其两个钯(II)配合物的晶体结构。 H(2)Plhexim是Z异构体形式,具有从两个硫代半碳环素部分到吡啶氮的分子内氢键。 [Pd(Plhexim)]具有正方形平面的N 2 S 2配位(即,亚胺氮和硫醇基硫原子)。 [Pd(Plhexim)Cl-2] .DMSO具有两个PdNNSCl中心,吡啶氮,亚胺氮或肼氮和硫醇基硫原子配位。 [参考:27]

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