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  • Inorganic Chemistry  (1)
  • 2005-2009
  • 1985-1989  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 534 (1986), S. 109-114 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Heteroatomic Silicon-Oxygen Eightmembered Rings - Sn2O4Si2, ElO4Si3 (El = Si, Ge, P, As, Ti) - Synthesis of a Cyclic Silylester of the Phosphorous AcidThe reaction of dilithiated di-tert.-butylsilandiol with Cl2SnMe2 leads in a molar ratio 1:1 to the formation of 1,5-disila-3,7-distanna-2,4,6,8-tetraoxane (1). The dilithium salt of 1,1,5,5-tetra-tert.-butyl-3,3-dimethyltrisiloxane reacts with polyfunctional element halides - Cl2SiMe2, GeCl4, PF3, AsF3, TiCl4 - plainly to eightmembered 1-element-3,5,7-trisila-2,4,6,8-tetrasiloxanes - ElO4Si3 (2-6). The hydrolysis of the PF-containing ring 4 leads to the formation of the stable, cyclic silylester of the phosphorous acid 7.
    Notes: Die Reaktion des dilithiierten Di-tert.-butylsilandiols mit Cl2SnMe2 führt im molaren Verhältnis 1:1 zur Bildung des 1,5-Disila-3,7-distanna-2,4,6,8-tetraoxans (1). Das Dilithiumsalz des 1,1,5,5-Tetra-tert.-butyl-3,3-dimethyltrisiloxans reagiert mit mehrfunktionellen Elementhalogeniden - Cl2SiMe2, GeCl4, PF3, AsF3, TiCl4 - glatt zu den achtgliedrigen 1-Element-3,5,7-trisila-2,4,6,8-tetrasiloxanen - ElO4Si3 (2-6). Die Hydrolyse des PF-haltigen Ringes führt zur Bildung des stabilen, cyclischen Silylesters der Phosphorigen Säure 7.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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