β-diketiminate stabilized magnesium hydroxide, heterobimetallic, and halide complexes: Synthesis and X-ray structural studies

Nembenna S.; Singh S.; Sen S.S.; Roesky H.W.; Ott H.; Stalke D.

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β-diketiminate stabilized magnesium hydroxide, heterobimetallic, and halide complexes: Synthesis and X-ray structural studies

机译：β-二酮稳定的氢氧化镁，杂双金属和卤化物配合物：合成和X射线结构研究

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The controlled hydrolysis of heteroleptic magnesium amide, LMgN(SiMe _3)_2 (L = CH[C(Me)N(2,6-iPr_2C_6H _3)]_2) with water afforded the corresponding hydroxide [LMg(OH)·THF]_2 as air and moisture sensitive compound. The presence of a sterically bulky β-diketiminate ligand prevents the self-condensation reaction of this hydroxide complex. Single crystal X-ray analysis shows that the hydroxide is dimeric in the solid state. Reaction of the magnesium amide or LMg(Me)·OEt_2 with LAlMe(OH) generates the heterobimetallic species containing the Mg-O-Al moiety. Additionally, the reaction of methylmagnesiumchloride with the free ligand leads to complex L′MgCl (L′ = CH[Et_2NCH_2CH_2N(CMe)] _2). As revealed by the crystal structure, L′MgCl is a solvent free monomeric magnesium chloride complex that is analogues to the Grignard reagent.

机译：用水对杂合氨基酰胺镁LMgN（SiMe _3）_2（L = CH [C（Me）N（2,6-iPr_2C_6H _3）] _ 2）进行受控水解，得到相应的氢氧化物[LMg（OH）·THF] _2作为对空气和湿气敏感的化合物。在空间上庞大的β-二酮配体的存在阻止了该氢氧化物络合物的自缩合反应。单晶X射线分析表明，氢氧化物是固态的二聚体。酰胺化镁或LMg（Me）·OEt_2与LAlMe（OH）的反应生成含有Mg-O-Al部分的杂双金属物种。另外，甲基氯化镁与游离配体的反应产生复合物L'MgCl（L'= CH [Et_2NCH_2CH_2N（CMe）] _2）。如晶体结构所示，L'MgCl是无溶剂的单体氯化镁配合物，类似于格利雅试剂。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2011年第2期|共5页
作者
Nembenna S.; Singh S.; Sen S.S.; Roesky H.W.; Ott H.; Stalke D.;
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正文语种 eng
中图分类化学;
关键词
Grignard reagents; Halides; Heterobimetallics; Hydroxides; Magnesium;

机译：格氏试剂卤化物杂双金属氢氧化物镁;

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机译：β-二酮稳定的氢氧化镁，杂双金属和卤化物配合物：合成和X射线结构研究
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β-diketiminate stabilized magnesium hydroxide, heterobimetallic, and halide complexes: Synthesis and X-ray structural studies

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