Affiliation:
1. Fachbereich Chemie der Universität Marburg, Hans-Meerwein-Straße, D-35032 Marburg/Lahn
Abstract
Abstract
[Mg3Br2.4Cl1.6(OEt2)6][Ga(CH2Ph)4]2 · 0.5 toluene (1) can be obtained by the reaction of one equivalent of GaCl3 with four equivalents of PhCH2MgBr in Et2O. Recrystallization of the crude product from toluene at 60°C gives colorless crystals of 1. Treatment of GaCl3 with two equivalents 3,5-Me2C6H3CH2MgBr in Et2O gives after recrystallization from toluene the diorganogallium bromide [(3,5-Me2C6H3CH2)2GaBr]2 (2). 1 and 2 were characterized by NMR, IR and MS techniques as well as by X-ray structure analyses. 1 consists in the dication [Mg3Br2.4C1.6(OEt2)6]2+, two gallate units [Ga(CH2Ph)4]- and a toluene molecule, disordered around a center of inversion. 2 forms centrosymmetric dimers [(3,5-Me2C6H3CH2)2GaBr]2.
Cited by
9 articles.
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