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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Selective Synthesis and Complexation of Novel N,N '-Alkylene-Bridged Bis(5-pyridyltetrazole)
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Selective Synthesis and Complexation of Novel N,N '-Alkylene-Bridged Bis(5-pyridyltetrazole)

机译:新型N,N'-亚烷基 - 桥接双(5-吡啶基托唑)的选择性合成和络合

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摘要

A novel N,N '-alkylene-bridged bis(5-pyridyltetrazole) ligand, namely 2,5-bis[5-(2-pyridyl)-tetrazol-2-yl]-2,5-dimethylhexane (bpt), was prepared by regioselective N-2-alkylation of 5-(2-pyridyl)tetrazole with 2,5-dimethylhexane-2,5-diol in perchloric acid. The ligand bpt was found to react with copper(II) chloride to give the dinuclear complex [Cu-2(bpt)Cl-4]. According to single-crystal X-ray analysis of the complex, bpt acts as a chelating ligand, coordinated by the metal through the tetrazole ring N-4 and the pyridine ring nitrogen atoms. In the complex molecule, two copper atoms are linked by double chlorido bridges, and ligand bpt plays the role of the third bridge. The temperature-dependent magnetic susceptibility measurements of the complex revealed that the copper(II) ions were weakly antiferromagnetically coupled showing a coupling constant J of -1.04 cm(-1).
机译:新型N,N'-亚烷基 - 桥接双(5-吡啶基四唑)配体,即2,5-双[5-(2-吡啶基) - -Tetrazol-2-Y1] -2,5-二甲基己烷(BPT),是 通过在高氯酸中具有2,5-二甲基己烷-2,5-二醇的5-(2-吡啶基)四唑的区域选择性N-2-烷基化制备。 发现配体BPT与氯化铜(II)氯化物反应,得到正卫络合物[Cu-2(BPT)Cl-4]。 根据复合物的单晶X射线分析,BPT用作螯合配体,由金属通过四唑环N-4和吡啶环氮原子配位。 在复杂的分子中,两个铜原子通过双氯桥连接,配体BPT发挥第三桥的作用。 复合物的温度依赖性磁化率测量显示铜(II)离子弱抗铁磁性偶联,表示-1.04cm(-1)的偶联常数J。

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