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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 367 (1969), S. 44-61 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (Cl2Si—CCl2)3 (I) forms with an excess of CH3MgCl the products: (II), (III), (IV), (V), (VI). (II) gives with CH3MgCl (III), with LiAlH4(CH3)3Si—CH2—Si(CH3)2—C≡C—Si(CH3)3. With 6 moles CH3(I) yields (VII). (VII) forms H3Si—Cl2—Si(CH3)2—C≡C—Si(CH3)3 with LiAlH4.(II), (III), (VI) are formed in the reaction of VII with CH3MgCl. The fission of (I) forming the pentacycle (VII) and the cleavage of (VII) to linear products are explained by β-elimination.
    Notes: (Cl2Si—CCl2)3 (I) bildet mit überschüssigem CH3MgCl die Verbindungen (II) reagiert mit CH3MgBr zu (III), mit LiAlH4zu \documentclass{article}\pagestyle{empty}\begin{document}$$ {\rm (CH}_{\rm 3})_3 {\rm Si \hbox{---} CH}_{\rm 2} \hbox{---} {\rm Si(CH}_{\rm 3})_2 \hbox{---} {\rm C} \equiv {\rm C \hbox{---} Si(CH}_{\rm 3})_3 . $$\end{document} Mit 4-6 Mol CH3MgBr entsteht aus (I) das mit LiAlH4 bildet.Aus (VII) entstehen mit CH3MgCl die Verbindungen (II), (III), (VI). Die Aufspaltung von (I) zum Fünfring (VII) und die Spaltung von (VII) zu linearen Verbindungen wird über β-Eliminierungen erklärt.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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