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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1974 (1974), S. 821-834 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of Amide AcetalsReactions of amide acetals, e. g. ketalisation of carbonyl compounds, esterification of carboxylic acids, formation of phenolic ethers and inversion of 3-hydroxy steroids are described and their mechanisms and side reactions discussed. - The dimethyl acetal of N-formyl- pyrrolidine esterifies 4-nitrobenzoic acid not only faster but, owing to diminished side reactions, also in higher yields compared to the commonly used dimethyl acetal of dimethyl- formamide.
    Notes: Reaktionen von Amidacetalen wie Ketalisierung von Carbonylverbindungen, Veresterung von Carbonsäuren, Bildung von Phenoläthern sowie Konfigurationsumkehr von 3-Hydroxysteroiden werden beschrieben sowie ihre Mechanismen und Nebenreaktionen diskutiert. - Das Dimethylacetal des N-Formylpyrrolidins verestert 4-Nitrobenzoesäure nicht nur schneller, sondern wegen der verminderten Nebenreaktionen auch in höheren Ausbeuten als das gewöhnlich benutzte Dimethylacetal des Dimethylformamids.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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