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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >The Reaction of Dialkylaluminium Chlorides with Bis(trimethylsilyl)hydrazine: Formation of the Adducts R_2AlCl centre dot NH_2NHSiMe_3 Containing the Unstable Monotrimethylsilylhydrazine
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The Reaction of Dialkylaluminium Chlorides with Bis(trimethylsilyl)hydrazine: Formation of the Adducts R_2AlCl centre dot NH_2NHSiMe_3 Containing the Unstable Monotrimethylsilylhydrazine

机译：二烷基氯化铝与双（三甲基甲硅烷基）肼的反应：含不稳定单三甲基甲硅烷基肼的加合物R_2AlCl中心点NH_2NHSiMe_3的形成

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摘要

Bis(trimethylsilyl)hydrazine die not react with dialkylaluminum chlorides R_2AlCl [R = CH_2CMe_3, CMe_3 and CH(SiMe_3)_2] by the formation of trimethylchlorosilane, but by dismutation to yield tris(trimethylsiyl)hydrzine and trimethylsiylhydrazine. The unstable, sterically less shielded NH_2NHSiMe_3 was stabilized by the coordination to the coordinatively unsaturated aluminium compounds. The adducts R_2AlCl centre dot NH_2NHSiMe_3 were formed, which were characterized by crystal structure determinations with R = CMe_3 and CH(SiMe_3)_2. In all cases, the hydrazine derivative binds to the aluminium atoms via the more basic NH_2 nitrogen atom. The adduct Me_3CAlCl_2 centre dot NH_2N(SiMe_3)_2 containing intact 1,1-bis(trimethylsilyl)hydrazine as a ligand was isolated in a trace amount and also characterized by a crystal structure determination.
机译：双（三甲基甲硅烷基）肼不通过形成三甲基氯硅烷而与二烷基氯化铝R_2AlCl [R ＝ CH_2CMe_3，CMe_3和CH（SiMe_3）_2]反应，而是通过歧化得到三（三甲基甲硅烷基）肼和三甲基甲硅烷基肼。通过与配位不饱和铝化合物的配位，使不稳定的，空间屏蔽较少的NH_2NHSiMe_3稳定。形成加合物R_2AlCl中心点NH_2NHSiMe_3，其特征在于通过R ＝ CMe_3和CH（SiMe_3）_2的晶体结构确定。在所有情况下，肼衍生物都通过更碱性的NH_2氮原子与铝原子结合。分离出痕量的含完整1,1-双（三甲基甲硅烷基）肼作为配体的加合物Me_3CAlCl_2中心点NH_2N（SiMe_3）_2，并通过晶体结构测定对其进行表征。

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