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  • 1970-1974  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 741 (1970), S. 109-116 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Isomerization of 2H-Pyranes by Grignard Compounds2H-Pyrans are isomerized in the presence of Grignard compounds to form the butadiene ketones 8 which in turn react with an excess of metalorganic compound to the tertiary butadiene alcohols 3. The mechanism of this reaction is established by starting with the 2H-pyrane 2c substituted in position 3, or with 13C-Methyl magnesium iodide.
    Notes: 2H-Pyrane isomerisieren in Gegenwart von Grignard-Verbindungen zu den Butadienketonen 8, die mit überschüssiger metallorganischer Verbindung die tertiären Butadienalkohole 3 ergeben. Der Reaktionsablauf wird durch Verwendung des in 3-Stellung substituierten 2H-Pyrans 2c bzw. von 13C-markiertem Methylmagnesiumjodid aufgeklärt.
    Type of Medium: Electronic Resource
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