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  • 2000-2004
  • 1985-1989  (1)
  • 1965-1969
  • 1,3-Dicarbonyl compounds  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1989 (1989), S. 247-254 
    ISSN: 0170-2041
    Keywords: Carbohydrates ; Chain elongation ; 1,3-Dicarbonyl compounds ; C-Nucleosides ; Pyrazoles ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Chain Elongation of Carbohydrates: Synthesis of C-Glycosides and C-Nucleosides from Glyconic and Glycaric AcidsBy chain elongation using the C-phenylglycine method allyl residues can be attached to peracetylated glyconic and glycaric acids. Oxidative cleavage of the allylic double bond leads to 1,3-dicarbonyl compounds, which can be converted into optically pure C-glycosides and C-nucleosides by reaction with 1,2-dinucleophiles.
    Notes: Durch Kettenverlängerung mit Hilfe von C-Phenylglycin lassen sich peracetylierte Glyconsäuren und Glycarsäuren mit Allylresten C - C-verknüpfen. Oxidative Spaltung der Allyl-Doppelbindung ergibt 1,3-Dicarbonylverbindungen, aus denen sich durch Ringschlußreaktionen mit 1,2-Dinucleophilen stereochemisch einheitliche C-Glycoside und C-Nucleoside darstellen lassen.
    Type of Medium: Electronic Resource
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