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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 105 (1972), S. 969-974 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Sugar-Siloxanes, II Synthesis of some Silicium-containing Sugar DerivativesSome sugar-silicium compounds have been synthesized by addition of methyldiethoxysilane to unsaturated monosaccharide derivatives. Among others the hitherto unknown compounds 6.7-Dideoxy-1.2;3.4-di-O-isopropylidene-α-D-galacto-hept-6-enopyranose (2) with a straight carbon chain and 3-O-acetyl-3-C-ethynyl-1.2;5.6-di-O-isopropylidene-α-D-allofuranose (8b) as well as ethynediyl-3-C.3′-C-bis(3-O-acetyl-1.2;5.6-di-O-isopropylidene-α-D-allofuranose) (9b) with branched carbon chains were used as starting materials. No addition, probably due to steric hindrance, was observed with 9b.
    Notes: Eine Reihe von Zucker-Siliciumverbindungen wurde durch Addition von Methyldiäthoxysilan an ungesättigte Monosaccharidderivate dargestellt. Als Ausgangsprodukte dienten unter anderen die bisher unbekannten Verbindungen 6.7-Didesoxy-1.2;3.4-di-O-isopropyliden-α-D-galakto-hept-6-enopyranose (2) mit unverzweigtem sowie 3-O-Acetyl-3-C-äthinyl-1.2;5.6-di-O-isopropyliden-α-D-allofuranose (8b) und Äthindiyl-3-C-.3′-C-bis-[3-O-acetyl-1.2;5.6-di-O-isopropyliden-α-D-allofuranose] (9b) mit verzweigtem Kohlenstoffgerüst. An die Verbindung 9b ließ sich, offenbar aus sterischen Gründen, kein Silan addieren.
    Type of Medium: Electronic Resource
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