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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1983 (1983), S. 2008-2020 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Clerodane Derivatives and Novel Diterpenes From Conyza scabrida DCThe careful separation of the extract of the aerial parts of Conyza scabrida afforded in addition to known compounds 12 new clerodane derivatives and 9 diterpenes with unusal carbon skeletons which most likely were formed in part by electrocyclic transformations of the clerodanes. The structures were elucidated by NMR studies. The chemotaxonomic situation is discussed briefly.
    Notes: Die sorgfältige Trennung des Extraktes der oberirdischen Teile von Conyza scabrida ergibt neben bereits bekannten Verbindungen 12 neue Clerodan-Derivate und 9 Diterpene mit ungewöhnlichen Kohlenstoffgerüsten, die wahrscheinlich teilweise durch elektrocyclische Umwandlungen der Clerodane gebildet werden. Die Strukturen werden durch NMR-Untersuchungen geklärt. Die chemotaxonomische Situation wird kurz diskutiert.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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