1.1.3. Re(IV)配合物上的取代:一种合成新型单核和多核化合物的工具

C. Kremer
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引用次数: 0

摘要

与其它氧化态的配合物如Re(V)或Re(VII)相比,铼(IV)配合物相对较少。它是一种5d3离子,通常形成八面体配合物,对氧化还原过程相当稳定,对配体取代惰性。这是制备可以作为其他过渡金属离子配体的单核物质的基础。例如,含有二羧基配体的配合物,[ReX 4 (ox)] 2 -和[ReX 4 (mal)] 2 - (X = Cl, Br;牛=草酸;mal = malonato)或n -供体配体[recl5 (pyz)] - (pyz = pyrazine)已被用作构建杂多核配合物的基本单元。不同的合成路线,以及设计的结构,从离散双核配合物延伸链状化合物,在这一贡献进行了回顾。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
1.1.3. Substitution on Re(IV) complexes: a tool for the synthesis of novel mono- and polynuclear compounds
Rhenium(IV) complexes are relatively scarce if compared with those of other oxidation states as Re(V) or Re(VII). It is a 5d 3 ion, and usually forms octahedral complexes which are reasonably stable against redox processes and inert to ligand substitution. This is the basis for the preparation of mononuclear species that can act as ligands towards other transition metal ions. For example, complexes containing dicarboxylic ligands, [ReX 4 (ox)] 2– and [ReX 4 (mal)] 2– (X = Cl, Br; ox = oxalato; mal = malonato), or N-donor ligands, [ReCl 5 (pyz)] – (pyz = pyrazine) have been used as building blocks to construct heteropolynuclear complexes. The different synthetic routes, as well as the designed structures, from discrete binuclear complexes to extended chain-like compounds, are reviewed in this contribution.
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