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  • 1
    Electronic Resource
    Electronic Resource
    Neuartige Triterpen-Lactone aus Helenium autumnale L. (1987)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 70 (1987), S. 342-346 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Novel Triterpene Lactones of Helenium autumnale L.Three novel triterpene lactones 1-3 could be detected by investigating a pentane extraxt of the Helenium autumnale L. (Asteraceae) roots. The structures are especially elucidated by 1H- and 13C-NMR spectroscopy. The lactones 1-3 formally represent Diels-Alder products of a reaction between a sesquiterpene lactone and an α,β-unsaturated sequiterpene aldehyde.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19870700211
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