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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 114 (1981), S. 3115-3125 
    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, XXXI. Synthesis of the Repeating-Unit of the O-Specific Chain of the Lipopolysaccharide from Escherichia coli O 75Reaction of the trisaccharidehalide-block 12 with the benzyl rhamnoside 13 gave a tetrasaccharide which, after complete removal of the protecting groups, yielded the branched tetrasaccharid 1 (see german summary). This represents the repeating-unit of the O-specific chain of the lipopolysaccharide from Escherichia coli O 75. A simular reaction between the block 12 and the 8-ethoxycarbonyloctyl rhamnoside 19 leads to the tetrasaccharide 20 which contains a suitable spacer-unit for coupling with a protein to give a synthetic antigen.
    Notes: Durch eine Synthese, bei der der Trisaccharidhalogenid-Block 12 verwendet wird, läßt sich nach vollständiger Entblockierung das verzweigte Tetrasaccharid erhalten, das die repeating-unit der O-spezifischen Kette des Bakteriums Escherichia coli O 75 darstellt. Durch Verknüpfung des Blocks 12 mit dem Rhamnosid 19, einem Glycosid des 8-Ethoxycarbonyloctanols, wurde das spacer-haltige Tetrasaccharid 20 synthetisiert. Dieses ist ein Hapten, das zur Anknüpfung an ein Protein und somit zur Gewinnung eines synthetischen Antigens geeignet ist.
    Type of Medium: Electronic Resource
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