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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 569 (1989), S. 7-15 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Phosphorus. 191. On the Reaction Behavior of Sodium Tetraphosphinoborate NaB(PH2)4Sodium tetraphosphinoborate rearranges to sodium heptaphosphinodiborate, Na[(PH2)3B—PH2—B(PH2)3] (1), at moderate temperatures in the presence of tetrahydrofuran. By reacting NaB(PH2)4 with BH3 ß THF sodium tetrakis(boranephosphino)borate, NaB(PH2BH3)4 (2), is formed, which has a remarkable thermal stability, but is not stable without solvent. With methyl iodide, the easily decomposible triphosphinoborane-methylphosphane, B(PH2)3PH2CH3 (3), has been obtained. The 31P- and 11B-NMR data of 1-3 are reported and discussed.
    Notes: Natriumtetraphosphinoborat lagert sich in Gegenwart von Tetrahydrofuran schon bei mäßigen Temperaturen in Natrium-heptaphosphinodiborat, Na[(PH2)3B—PH2—B(PH2)3] (1), um. Bei der Reaktion von NaB(PH2)4 mit BH3 · THF entsteht Natriumtetrakis(boranphosphino)borat, NaB(PH2BH3)4 (2), das eine bemerkenswerte thermische Stabilität aufweist, lösungsmittelfrei aber nicht beständig ist. Mit Methyliodid wird das leicht zersetzliche Triphosphinoboranmethylphosphan, B(PH2)3PH2CH3 (3), gebildet. Die 31P- und 11B-NMR-Daten von 1-3 werden mitgeteilt und diskutiert.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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