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Sesquiterpene lactone and diterpene constituents of helianthus annuus



Sesquiterpene lactone and diterpene constituents of helianthus annuus



Phytochemistry 24(7): 1537-1540



One new furanoheliangolide derivative, 4,5-dihydroniveusin A, as well as the known compounds niveusin B and argophyllin A and B, were isolated from a Texas [USA] population of H. annuus. Three previously characterized diterpene acids, grandifloric acid, ciliaric acid and 17-hydroxy-ent-isokaur-15-(16)-en-19-oic acid were the principal constituents of this population.

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Accession: 006404416

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DOI: 10.1016/s0031-9422(00)81061-4


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