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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1983 (1983), S. 1194-1201 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Polyacetylenic compounds, 268. - further Unsaturated Amides From achillea SpeciesThe roots of Achillea ageratifolia afforded in addition to a known C16-acetylenic carbonic acid amides five new ones, the N-isobutylamide 1, the 2,3-didehydropyrrolidides 4-6, and the pyrrolidide 3. Furthermore, the C10-acetylenic carbonic acid coniferyl esters 13 and 14 were isolated. The roots of Achillea falcata contain four known unsaturated C10-carbonic acid amides and two new ones, the piperidide 7 and the 4-hydroxy-2,3-didehydropiperidide 10. The structures were elucidated by spectroscopic methods. The chemotaxonomic significance of the amides is briefly discussed.
    Notes: Wurzeln von Achillea ageratifolia ergeben neben einem bekannten C16-Acetylencarbonsäureamid fünf neue, das N-Isobutylamid 1, die 2,3-Didehydropyrrolidide 4-6 und das Pyrrolidid 3. Außerdem isoliert man die C10-Acetylencarbonsäureconiferylester 13 und 14. Wurzeln von Achillea falcata enthalten vier bekannte ungesättigte C10-Carbonsäureamide und zwei neue, das Piperidid 7 und das 4-Hydroxy-2,3-didehydropiperidid 10. Die Strukturen wurden durch spektroskopische Methoden geklärt. Die chemotaxonomische Bedeutung der Amide wird kurz diskutiert.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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