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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Hydrazine adducts with dialkylindium chlorides - Unexpected structural variability in simple compounds [German]
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Hydrazine adducts with dialkylindium chlorides - Unexpected structural variability in simple compounds [German]

机译：联氨与氯化二烷基铟-简单化合物的意外结构变异[德国]

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摘要

The reaction of dialkylindium chlorides with some hydrazine derivatives afforded adducts in which remarkably different structural motifs were realized. Equimolar quantities of dimethylindium chloride and phenylhydrazine yielded the monoadduct [Me2InCl.NH2NHC6H5] (1) the central indium atom of which is coordinated by the NH2 nitrogen atom of the ligand. I forms a dimer in the solid state via an In-Cl-In bridge. In contrast, the asymmetric cleavage of the indium halide was observed for the corresponding reaction with tert-butylhydrazine. The ionic compound [Me2InCl2](-)[Me2In(NH2NHCMe3)(2)](+) (3) was isolated, which has two NH2 groups attached to the indium atom of the cation. The same hydrazine gave an adduct 2 analogous to 1 when the sterically more shielded (Me3C)(2)InCl was employed. In contrast to 1, the di(tert-butyl) compound 2 remains monomeric in the solid state. An excess of Me2InCl yielded the product (Me2InCl)(4)[NH2N(H)C6H5](2) (4), in which part of the ladder structure of the indium starting compound comprising four formula units is stabilized by two terminal hydrazine ligands. Only few crystals were isolated of the corresponding adduct 5 with tert-butylhydrazine, which has a complicated three-dimensional solid state structure. Furthermore, the crystal structure of In(CMe3)(3) (6) is reported. [References: 52]
机译：二烷基铟氯化物与一些肼衍生物的反应提供了加合物，其中实现了显着不同的结构基序。等摩尔量的二甲基铟氯化物和苯肼生成单加合物[Me2InCl.NH2NHC6H5]（1），其中心铟原子由配体的NH2氮原子配位。我通过一个In-Cl-In桥形成固态的二聚体。相反，对于与叔丁基肼的相应反应，观察到卤化铟的不对称裂解。分离出离子化合物[Me2InCl2]（-）[Me2In（NH2NHCMe3）（2）]（+）（3），该离子化合物具有两个与阳离子的铟原子相连的NH2基团。当使用在空间上更受保护的（Me3C）（2）InCl时，相同的肼得到的加合物2类似于1。与1相反，二（叔丁基）化合物2在固态下保持单体状态。过量的Me2InCl生成产物（Me2InCl）（4）[NH2N（H）C6H5]（2）（4），其中包含四个通式单元的铟起始化合物的部分梯形结构被两个末端肼配体稳定。叔丁基肼与相应的加合物5仅分离出很少的晶体，其具有复杂的三维固态结构。此外，还报道了In（CMe3）（3）（6）的晶体结构。 [参考：52]

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