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  • 1
    ISSN: 0044-2313
    Keywords: Diphosphane(4) ; Triphosphane(5) ; Tetraphosphane(6) ; Polyphosphorus Hydrides ; Clathrate Compounds ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Phosphorus. 235. On the Preparation of Larger Amounts of Diphosphane(4) in the LaboratoryThe preparation of several hundred grammes of diphosphane(4) by hydrolysis of calcium phosphide in a semicontinuous process as well as the handling of larger amounts of this compound are reported. In comparison with earlier results [12], the yield has been raised by 37 percent with simultaneous increase of the accessible total amount. The white solid which is formed in the preparation and purification of diphosphane(4) is not, as was believed in earlier work [25, 8], triphosphane(5) or another, novel phosphorus hydride but is rather a clathrate compound of diphosphane(4) or the phosphanes PnHn+2 (n = 2-4) and water, respectively.
    Notes: Die Herstellung von mehreren hundert Gramm Diphosphan(4) durch Hydrolyse von Calciumphosphid in einer halbkontinuierlichen Arbeitsweise sowie die Handhabung größerer Mengen dieser Verbindung werden beschrieben. Gegenüber früheren Angaben [12] konnte die Ausbeute um 37 Prozent gesteigert werden bei gleichzeitiger Vergrößerung der zugänglichen Gesamtmenge. Der während der Darstellung und Reinigung auftretende weiße Feststoff ist nicht, wie früher angenommen [25, 8], Triphosphan(5) oder ein anderes neues Phosphorhydrid, sondern vielmehr eine Clathratverbindung von Diphosphan(4) bzw. den Phosphanen PnHn+2 (n = 2-4) und Wasser.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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