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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1364-1366 
    ISSN: 0044-2313
    Keywords: Halogenation of [tBu2P]2P—SiMe3, tBu2P—P=P(X)tBu2 Ylide (X = Cl, Br, I) ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: tBu2P—P=P(X)tBu2 Ylides (X = Cl, Br, I) by Halogenation of [tBu2P]2P—SiMe3[tBu2P]2P—SiMe3 1 with halogenating agents as Br2, I2, Br-succinimide, CCl4, CBr4, CI4 or C2Cl6 via cleavage of the Si—P bond in 1 produces the ylides tBu2P—P=P(X)tBu2 (X = Cl, Br, I). This proceeds independent from the formerly known pathway - [tBu2P]2PLi + 1,2-dibromoethane - and shows that the Li-phosphide must not be present as a necessary requirement for the formation of ylides.
    Notes: [tBu2P]2P—SiMe3 1 reagiert mit Halogenierungsmitteln (Br2, I2, Bromsuccinimid, CCl4, CBr4, CI4, C2Cl6) über die Spaltung der Si—P-Bindung in 1 zu den Yliden tBu2P—P=P(X)tBu2 (X = Cl, Br, I). Dieser Weg ist unabhängig von dem bisher bekannten - [tBu2P]2PLi + 1,2-Dibromethan [1] - und zeigt, daß das Li-Phosphid nicht eine unabdingbare Voraussetzung für die Ylidbildung darstellt.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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