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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 346-358 
    ISSN: 0044-2313
    Keywords: Organoindium bromides ; solvate complexes ; trimagnesiumpentahalogen cation ; crystal structures ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Properties of Organoindium Bromidesi-Pr3In gives with InBr3 (molar ratio 2:1, toluene, 50°C) i-Pr2InBr (1) and (molar ratio 1:2, toluene, 80°C) i-PrInBr2 (2). The corresponding reaction of (PhCH2)3In and InBr3 (2:1) gives (PhCH2)2InBr (3), while PhCH2InBr2 could be isolated only as ether adduct [PhCH2InBr2(OEt2)n] (4). With DME/MeCN and 2 and 4 with THF, respectively, yields the solvate complexes [InBr3(DME)(MeCN)] (5), [i-PrInBr2(THF)2] (6) and [PhCH2InBr2(THF)2] (7). The compounds 1-7 were investigated with NMR-, IR- and MS-techniques. Pyrolysis of the raw material of i-Pr3In, which contains “MgBrCl” and additional treatment with Et2O yields the salt [Mg3Cl4,65Br0,35(Et2O)6][i-PrInBr2,7Cl0,3] (8). The cation, a trinuclear magnesium complex, possesses local D3h-symmetric of the Mg3X5 backbone (X = Cl, Br).
    Notes: i-Pr3In ergibt mit InBr3 (Molverhältnis 2:1, Toluol, 50°C) i-Pr2InBr (1) und (Molverhältnis 1:2, Toluol, 80°C) i-PrInBr2 (2). (PhCH2)3In und InBr3 (2:1) ergeben entsprechend (PhCH2)2InBr (3), während PhCH2InBr2 nur als Etherat [PhCH2InBr2(OEt2)n] (4) erhalten wurde. Mit DME/MeCN bzw. 2 und 4 mit THF werden die Solvatkomplexe [InBr3(DME)(MeCN)] (5) bzw. [i-PrInBr2(THF)2] (6) und [PhCH2InBr2(THF)2] (7) erhalten. 1-7 wurden mittels NMR-und IR-Spektroskopie bzw. Massenspektrometrie untersucht. Pyrolyse des „MgBrCl“-enthaltenden Rohproduktes von i-Pr3In und nachträgliches Behandeln mit Et2O liefert das Salz [Mg3Cl4,65Br0,35(Et2O)6][i-PrInBr2,7Cl0,3] (8), welches ein dreikerniges, Magnesium-haltiges Kation mit lokaler D3h-Symmetrie des Mg3X5-Gerüstes (X = Cl, Br) enthält.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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