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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 869-875 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Glycosides of Amino Sugars, IV. Synthesis of Disaccharides of 2-Amino-2-deoxy- and 3-Amino-3-deoxy-D-glucoseThe solvent dependency of the Koenigs-Knorr reaction between two derivatives of 2-amino-2-deoxy-D-glucose (3 and 4) was investigated. The highest yield of the α-disaccharide 5 was obtained in the system toluene/1,2-dimethoxyethane. The condensation of two derivatives of 3-amino-3-deoxy-D-glucose (11 and 13) under similar conditions yielded the 1,6-linked α-and β-disaccharides (15, 14) of this sugar which were unknown until now.
    Notes: Die Koenigs-Knorr-Reaktion zwischen zwei Derivaten der 2-Amino-2-desoxy-D-glucose (3 und 4) wurde in Abhängigkeit vom Lösungsmittel untersucht. Die höchste Ausbeute an α-Disaccharid 5 konnte in einem Gemisch von Toluol und 1,2-Dimethoxyäthan erhalten werden. Die Kondensation zweier Derivate der 3-Amino-3-desoxy-D-glucose (11 und 13) unter ähnlichen Bedingungen führte zu den bisher unbekannten 1,6-verknüpften α- und β-Disacchariden (15 bzw. 14) dieses Zuckers.
    Type of Medium: Electronic Resource
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