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首页> 外文期刊>Chemistry: A European journal >Preparation of mononuclear, homodinuclear, and heterotrinuclear complexes by salicylaldiminato-functionalized imidazolium salt: Approach to multifunctional catalysts
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Preparation of mononuclear, homodinuclear, and heterotrinuclear complexes by salicylaldiminato-functionalized imidazolium salt: Approach to multifunctional catalysts

机译：水杨醛亚氨基官能化的咪唑鎓盐制备单核，同核和异三核配合物：多功能催化剂的方法

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摘要

A salicylaldiminato imidazolium salt that bears both a Schiff base and imidazolium salt moiety was used to synthesize heterometallic compounds that could serve as multifunctional catalysts in certain reactions. The successful preparation of seven mononuclear compounds with a variety of transition metals (Pd, Ir, Ru, Zn, Ni) illustrated the high versatility of this class of ligands, which is crucial for the design of catalysts. Synthesis of homodinuclear compounds and heterotrinuclear compounds provided practical methods to connect multiple metal fragments through these ligands. The heterotrinuclear complex (Ni/Ir) was employed as a catalyst in the reaction of dehalogenation/transfer hydrogenation of halo-acetophenones. The preliminary catalytic study showed that this heterometallic species is more active than a combination of the corresponding monometallic species.
机译：具有席夫碱和咪唑鎓盐部分的水杨基二氨基咪唑鎓盐被用于合成可以在某些反应中用作多功能催化剂的杂金属化合物。用多种过渡金属（Pd，Ir，Ru，Zn，Ni）成功制备七个单核化合物说明了这类配体的高通用性，这对催化剂的设计至关重要。同核化合物和异三核化合物的合成提供了通过这些配体连接多个金属片段的实用方法。在卤代苯乙酮的脱卤/转移氢化反应中，异三核配合物（Ni / Ir）被用作催化剂。初步的催化研究表明，这种杂金属物种比相应的单金属物种的组合更具活性。

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