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  • 1995-1999  (2)
  • 3-Deoxy-D-arabino-2-heptulosonic acid  (1)
  • Carbohydrates  (1)
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  • 1995-1999  (2)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 126 (1995), S. 923-931 
    ISSN: 1434-4475
    Keywords: Carbohydrates ; Dendrimers ; Spacer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Ausgehend von den Allyl- und Pent-4-enyl-β-D-glucopyranosiden4–7 können dieD-Glucosederivate8–15 dargestellt werden, welche am anomeren Zentrum unterschiedlich lange Spacereinheiten mit verschiedenen Endgruppen besitzen. Bei Reaktion von vier Äquivalenten des Caesiumsalzes von Propan-4-carboxy-1-yl-2,3,4,6-tetra-O-acetyl-β-D-glucopyranosid15 mit Pentaerythrityltetrabromid entsteht das tetravalente Molekül16.
    Notes: Summary Starting with allyl- and pent-4-enyl-β-D-glucopyranosides4–7, differentD-Glucose units (8–15) containing alkyl spacers of variable lenght and with different end groups can be prepared. Reaction of four equivalents of the caesium salt derived from propan-4-carboxy-1-yl-2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside15 with pentaerythrityltetrabromide yields the tetravalent molecule16.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-4475
    Keywords: 3-Deoxy-D-arabino-2-heptulosonic acid ; 3-Deoxy-D-arabino-2-heptulose (Kamusol) ; Indium mediated allylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine kurzer und ökonomischer Syntheseweg für 3-Desoxy-D-arabino-2-heptulosonsäure (4) und 3-Desoxy-D-arabino-2-heptulose (Kamusol,8) wurde entwickelt. Im Schlüsselschritt der Synthesesequenz wurde die indiumunterstützte Allylierung vonD-Erythrose in wäßrigen Reaktionsmedien angewendet. Das mittels dieser Methode auf sieben Kohlenstoffatome verlängerte Kohlenhydrat-Grundgerüst konnte einfach in die Titelverbindungen übergeführt werden.
    Notes: Summary A short and economical synthesis of 3-deoxy-D-arabino-2-heptulosonic acid (4) and 3-deoxy-D-arabino-2-heptulose (kamusol,8) has been developed. In the key step of the reaction sequence, the indium mediated allylation ofD-erythrose in an aqueous solvent system was utilized generating a seven carbon backbone which was further transformed into the title compounds.
    Type of Medium: Electronic Resource
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