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- W2006340154 abstract "Die CH-aciden Bis(trimethylsilyl)methyl-Verbindungen Me3CAlR2 und Me3CCH2AlR2 (R CH(SiMe3)2) reagieren mit der sterisch sehr hoch abgeschirmten Base LiCH(SiMe3)2 in Gegenwart von 1,3,5-Trimethylhexahydrotriazinan unter Deprotonierung einer Methylgruppe des elementorganischen Substituenten; die dabei gebildeten Carbanionen stabilisieren sich durch eine Wechselwirkung zu dem koordinativ ungesättigten Al-Atom unter Ausbildung von viergliedrigen AlC2Si-Heterozyklen. Beide Produkte wurden durch eine Kristallstrukturbestimmung charakterisiert, die jeweils ein nicht-planares Ringsystem ergab. Synthesis and Molecular Structure of Two 1-Sila-3-alanata-cyclobutane Derivatives with Four-membered AlC2Si-Heterocycles The CH acidic bis(trimethylsilyl)methyl compounds Me3CAlR2 und Me3CCH2AlR2 (R CH(SiMe3)2) are deprotonated by treatment with the sterically high shielded base LiCH(SiMe3)2 in the presence of 1,3,5-trimethylhexahydrotriazinane. The deprotonation occurs at a methyl group of one of the element-organic substituents, and the formed carbanions are stabilized by coordination to the unsaturated Al atoms yielding four-membered heterocycles. Both products were characterized by a crystal structure determination each showing bent ring systems." @default.
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- W2006340154 title "Synthese und Molek�lstruktur zweier 1-Sila-3-alanata-cyclobutan-Derivate mit AlC2Si-Heterozyklus" @default.
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- W2006340154 doi "https://doi.org/10.1002/zaac.19946200921" @default.
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