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首页> 外文期刊>Revue roumaine de chimie >NEW HYPERCOORDINATED TRIARYLTELLURONIUM DERIVATIVES OF ORGANOPHOSPHORUS LIGANDS. SYNTHESIS AND STRUCTURAL CHARACTERIZATION
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NEW HYPERCOORDINATED TRIARYLTELLURONIUM DERIVATIVES OF ORGANOPHOSPHORUS LIGANDS. SYNTHESIS AND STRUCTURAL CHARACTERIZATION

机译：有机磷配体的新型高扶夸的三芳基团衍生物。 合成与结构表征

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摘要

Hypercoordinated triaryltelluronium compounds of type [{2-(Me_2NCH_2)C_6H_4}_3Te]~+L~- [L~- = (SPMe_2)_2N (1), (OPPh_2)_2N (2), (SPPh_2)_2N (3), (SPPh_2){OP(OEt)_2}N (4), (SPPh_2)(O_2SMe)N (5) and {SP(OEt)_2}(O_2SC_6H_4Cl-4)N (6)] were prepared by salt metathesis reactions between [{2-(Me_2NCH_2)C_6H_4}_3Te]Cl·H_2O and the potassium salts of the corresponding organophosphorus ligands in a 1:1 molar ratio. Multinuclear NMR spectroscopy, mass spectrometry, molar conductivity and IR spectroscopy were used to characterize the new complexes. The ~1H NMR spectra suggest for all compounds the intramolecular coordination of the nitrogen atoms from the pendant arms to tellurium in solution. For compound 3 single-crystal X-ray diffraction studies revealed strong N→Te intramolecular interactions in solid state, which result in hypercoordinated triaryltelluronium(Ⅳ) cations (14-Te-6 species) with a distorted octahedral coordination geometry around tellurium. Weak S…H interactions between anions and cations resulted in a 2D supramolecular network.
机译：型型型型型[{2-（me_2nch_2）c_6h_4} _3te]〜+ l〜 - [l〜 - =（spme_2）_2n（opph_2）_2n（2），spph_2）_2n（3）， （SPPH_2）{OP（OET）_2} n（4），（SPPH_2）（O_2SME）n（5）和{SP（OET）_2}（O_2SC_6H_4CL-4）通过盐复分解反应制备N（6）] [{2-（ME_2NCH_2）C_6H_4} _3TE] CL·H_2O和相应的有机磷配体的钾盐为1：1摩尔比。多核NMR光谱，质谱法，摩尔电导率和IR光谱用于表征新复合物。 〜1H NMR光谱表明所有化合物都将氮原子与裂解臂中的氮原子的分子内协调溶液中的碲。对于化合物3，单晶X射线衍射研究揭示了固态的强N→Te分子内相互作用，其导致碲的高型三芳硫铵（Ⅳ）阳离子（14-TE-6种），其含有扭曲的八面体配位几何形状。阴离子和阳离子之间的弱S ... H相互作用导致2D超分子网络。

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  • 来源
    《Revue roumaine de chimie》 |2021年第1期|33-402|共9页
  • 作者

    Eleonora DENES; Mihaela VLASSA; Cristian SILVESTRU; Anca SILVESTRU;

  • 作者单位

    Supramolecular Organic and Organometallic Chemistry Centre Department of Chemistry Faculty of Chemistry and Chemical Engineering Babes-Bolyai University Arany Janos Str. 11 RO-400028 Cluj-Napoca Roumania;

    'Raluca Ripan' Institute for Research in Chemistry Babes-Bolyai University Fantanele Str. 30 RO-400294 Cluj-Napoca Roumania;

    Supramolecular Organic and Organometallic Chemistry Centre Department of Chemistry Faculty of Chemistry and Chemical Engineering Babes-Bolyai University Arany Janos Str. 11 RO-400028 Cluj-Napoca Roumania;

    Supramolecular Organic and Organometallic Chemistry Centre Department of Chemistry Faculty of Chemistry and Chemical Engineering Babes-Bolyai University Arany Janos Str. 11 RO-400028 Cluj-Napoca Roumania;

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  • 正文语种 eng
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  • 关键词

    triorganotelluronium cations; hypercoordination; organophosphorus ligands; structural investigation;

    机译：TriorNootelluronium阳离子;超级协调;有机磷配体;结构调查;

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