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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 117 (1984), S. 322-335 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Regioselective Lewis Acid-mediated α-sec-Alkylation of Carbonyl CompoundsCarbonyl compounds such as ketones, aldehydes, acyloins, or carboxylic esters can be alkylated at the α-position via the corresponding O-silylated forms using activated alkyl halides or acetates in the presence of Lewis acids. In case of unsymmetrically substituted ketones regiospecificity is observed. The method is mild and does not afford undesired poly-alkylated products.
    Notes: Carbonylverbindungen wie Ketone, Aldehyde, Acyloine oder Carbonsäureester lassen sich über die entsprechenden O-silylierten Formen an der α-Stellung mit aktivierten Alkylhalogeniden oder Acetaten in Gegenwart von Lewis-Säuren alkylieren. Im Fall von unsymmetrisch substituierten Ketonen wird strenge Regioselektivität beobachtet. Die Methode ist mild und liefert keine unerwünschten Polyalkylierungsprodukte.
    Type of Medium: Electronic Resource
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