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Synthese von Oligosaccharid-L-Asparagin-Verbindungen, VII Derivate des 2-Acetamido-3-O-(2-acetamido-2-desoxy-β-D-glucopyranosyl)-N-(1-benzyloxy-L-aspartoyl)-2-desoxy-β-D-glucopyranosylamins1)

✍ Scribed by Walker-Nasir, Evelyne ;Jeanloz, Roger W.

Book ID: 102900647
Publisher: Wiley (John Wiley & Sons)
Year: 1976
Weight: 912 KB
Volume: 1976
Category: Article
ISSN: 0074-4617
DOI: 10.1002/jlac.197619760713

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✦ Synopsis

Abstract

Die Koenigs‐Knorr‐Kondensation von 2‐Acetamido‐3,4,6‐tri‐O‐acetyl‐2‐desoxy‐α‐D–glucopyranosylbromid (1) mit 2‐Acetamido‐4,6‐0‐benzyliden‐2‐desoxyβ‐D‐glucopyranosylazid (2) führt nicht zum erwarteten (1→3)‐verknüpften Aminozuckerdisaccharid. Deshalb sind weitere Möglichkeiten zur Synthese dieser Substanz untersucht worden. Dabei erhaltene neue, kristalline Zwischenprodukte haben schließlich die Herstellung des β‐(l→3)‐verknüpften Aminozuckerdisaccharid‐asparagins 24 erlaubt.

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