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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 509 (1984), S. 38-52 
    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. 134. On the Triphosphanes H(t-BuP)3H' Li(t-BuP)3Li, and Me3Si(t-BuP)3SiMe3The reaction of 1,3-diiodo-1,2,3-tri-tert-butyltriphosphane, I(t-BuP)3I, with lithium aluminium hydride leads to 1,2,3-tri-tert-butyltriphosphane, H(t-BuP)3H (1). 1 reacts with n-butyllithium to 1,3-dilithium-1,2,3-tri-tert-butyltriphosphide, Li(t-BuP)3Li (2), which reacts further with trimethylchlorosilane yielding 1,3-bis(trimethylsilyl)-1,2,3-tri-tert-butyltriphosphane, Me3Si(t-BuP)3SiMe3 (3). The triphosphanes 1, 2 and 3 could be isolated in a pure state. In solution 1 forms the threo, threo and the threo,erythro configurated diastereomers 1a and 1b in a ratio of about 2:1. 3 predominantly exists in form of the threo,erythro configurated diastereomer 3b by steric reasons.
    Notes: Die Umsetzung von 1,3-Diiod-1,2,3-tri-tert-butyltriphosphan, I(t-BuP)3I, mit Lithiumaluminiumhydrid führt zu 1,2,3-Tri-tert-butyltriphosphan, H(t-BuP)3H (1). 1 reagiert mit n-Butyllithium zu 1,3-Dilithium-1,2,3-tri-tert-butyltriphosphid, Li(t-BuP)3Li (2), das mit Trimethylchlorsilan weiter zu 1,3-Bis(trimethylsilyl)-1,2,3-tri-tert-butyltriphosphan, Me3Si(t-BuP)3SiMe3 (3), umgesetzt werden kann. Die Triphosphane 1, 2 und 3 konnten in reiner Form isoliert werden. In Lösung bildet 1 die threo, threo- und threo,erythro-konfigurierten Diastereomere 1 a und 1 b im Verhältnis von etwa 2:1. 3 liegt aus sterischen Gründen hauptsächlich in Form des threo, erythro-konfigurierten Diastereomers 3 b vor.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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