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1	Author	Nils Wiberg, Kerstin Amelunxen, Hans-Wolfram Lemer, Heinrich Nöth, Jörg Knizek, Ingo Krossing	Requires cookie*
	Title	Supersilylverbindungen der Borgruppenelemente
	Abstract	, IV [1]. Supersilylelementhalogenide fBu3SiEX2 und (fBu3Si)2EX mit E = Al, Ga, In: Synthesen, Eigenschaften, Strukturen [2] Supersilylated Compounds of the Thirteenth Group, IV [I]. Supersilylelement Halides rBu3SiEX2 and (/Bu3Si)2EX with E = Al, Ga, In: Syntheses, Properties, Structures [2] Water and oxygen sensitive compounds (rBu3SiEX2)2, fBu3SiEX2 Do and (rBu3Si)2EX (E = AI, Ga, In; X = (F), Cl, Br; Do = OR2, NR3) have been synthezised by reaction of EX3 with rBu3SiNa in the absence or presence of donors. In addition, (?Bu3Si)AlBr2, (fBu3Si)2InF and rBu3SiInBr2 were prepared by reaction of AlBr3 with (rBu3Sij2Zn or of (/Bu3Si)2In-In(Si/Bu3)2 with AgF2 and HBr, respectively. The adduct [rBu3SiAlBr2 AlBr3 '/ 2M gBr2]2 is formed from AlBr3 and (fBu3Si)2Mg(THF)2. Thermal decomposition of the compounds in solution or in the gas phase leads to the formation of ?Bu3SiEX2 (from the dimers or the donor adducts) and of fBu3SiX. The Lewis acidity of ?Bu3SiEX2 against donors incre ases in the direction Do = Et20 < THF < NEtM e2. Dehalogenation of (/Bu3Si)2ECl with /Bu3SiNa(THF)2 in pentane at room temperature leads to clusters (rBu3Si)4Al2, (fBu3Si)3Ga2*, (fBu3Si)4In2 and (rBu3Si)3Ga2Na(THF)3, reduction of rBu3SiGaCl2 with Na or K in heptane at 100°C to the tetrahedran (rBu3Si)4Ga4. The structures of (rBu3SiGaCl2)2, (fBu3Si)2GaCl, and [/Bu3SiAlBr2 AlBr3-'/2MgBr2]2 have been determined by X-ray structure analysis.
	Reference	Z. Naturforsch. 53b, 333—348 (1998); eingegangen am 7. November 1997
	Published	1998
	Keywords	Supersilylaluminum Halides, Supersilylgallium Halides, Supersilylindium Halides, Acid-base Reactions, Redox-Reactions, X-Ray Data
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	TEI-XML for	default:Reihe_B/53/ZNB-1998-53b-0333.pdf
	Identifier	ZNB-1998-53b-0333
	Volume	53