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  • Keywords. Synthesis; Bistrimethylsilyl hydroxy alkynes.  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 130 (1999), S. 333-336 
    ISSN: 1434-4475
    Keywords: Keywords. Synthesis; Bistrimethylsilyl hydroxy alkynes.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung.  Die Synthesen mehrerer Bistrimethylsilylhydroxyalkine und eines Tristrimethylsilylhydroxyalkins werden beschrieben. Addition von Lithiumtrimethylsilylacetylid an mono-oder bistrimethylsilylierte Aldehyde und Ketone ergab die Verbindungen 4a–f in guten bis mäßigen Ausbeuten. Die Produkte sind Mischungen von Diastereomeren und entstehen mit Diastereoselektivitäten von 53 bis 68%.
    Notes: Summary.  The syntheses of several bistrimethylsilyl hydroxy alkynes and one tristrimethylsilyl hydroxy alkyne are described. Addition of lithium trimethylsilyl acetylide to mono- or bistrimethylsilylated aldehydes and ketones afforded compounds 4a–f in good to moderate yields. The products are mixtures of diastereomers; the diastereoselectivity of the reactions amounts to 53 to 68%.
    Type of Medium: Electronic Resource
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