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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 729 (1969), S. 139-145 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cyanacetaldehyde Derivatives and Reaction ProductsThe reaction of malondialdehydedioxim (2) with aromatic diazonium salts or nitrous acid leads to derivatives 5 of cyanoacetaldehyde in a quite simple way. The hydrazones of these compounds can be converted into 1-substituted 5-aminopyrazoles 6.
    Notes: Ausgehend vom Malondialdehyddioxim (2) erschließt sich über die Umsetzung mit Aryldiazoniumsalzen oder salpetriger Säure ein einfacher Zugang zu Cyanacetaldehyd-Derivaten 5, von denen sich die Hydrazone in 1-substituierte 5-Amino-pyrazole 6 überführen lassen.
    Type of Medium: Electronic Resource
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