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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 110 (1977), S. 1908-1915 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Building Units for Oligosaccharides, IV. Synthesis of DihydrostreptosylstreptidineReaction of the streptosyl chloride 1 with the optically active heptaacetylstreptidine 2 gives the pseudo-disaccharide 3, which can be transformed into the 2,3-O-isopropylidene derivative of streptosylstreptidine (5). Condensation of the chloride 6 with 2 leads to the glycoside 7. Deblocking and hydrogenation of 7 yields the free dihydrostreptosylstreptidine 10.
    Notes: Das Streptosylchlorid 1 reagiert mit chiralem Heptaacetylstreptidin 2 zum Pseudodisaccharid 3, das in das 2,3-O-Isopropyliden-Derivat des Streptosylstreptidins (5) überführbar ist. Das Chlorid 6 kann mit 2 zum Glycosid 7 umgesetzt werden. Hieraus gelingt es, durch Deblockierungs- und Hydrierungsschritte das freie Dihydrostreptosylstreptidin 10 zu gewinnen.
    Type of Medium: Electronic Resource
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