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  • New dibenzofurans and depsides from the lichen Bunodophoron patagonicum.

    Author(s)
    Elix, John A.
    Venables, Debra Ann
    Wedin, Mats
    Griffith University Author(s)
    Venables, Debra A.
    Year published
    1994
    Metadata
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    Abstract
    The lichen Bunodophoron patagonicum has been shown to contain five new dibenzofurans: ascomatic acid (I, R1 = H, R2, R3 = Me) and its Me ester (I, R1-R3 = Me); 7-O-methylnorascomatic acid (I, R1 = R2 = H, R3 = Me) and its Me ester (I, R1 = R3 = Me, R2 = H); and norascomatic acid (I, R1-R3 = H). The lichen also contains two new depsides: patagonic acid [II, R4 = Me, R5 = CH2CO(CH2)6Me] and isopatagonic acid [II, R4 = CH2CO(CH2)6Me, R5 = Me]. The structure of all new natural products was confirmed by total synthesis.The lichen Bunodophoron patagonicum has been shown to contain five new dibenzofurans: ascomatic acid (I, R1 = H, R2, R3 = Me) and its Me ester (I, R1-R3 = Me); 7-O-methylnorascomatic acid (I, R1 = R2 = H, R3 = Me) and its Me ester (I, R1 = R3 = Me, R2 = H); and norascomatic acid (I, R1-R3 = H). The lichen also contains two new depsides: patagonic acid [II, R4 = Me, R5 = CH2CO(CH2)6Me] and isopatagonic acid [II, R4 = CH2CO(CH2)6Me, R5 = Me]. The structure of all new natural products was confirmed by total synthesis.
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    Journal Title
    Australian Journal of Chemistry
    Volume
    47
    Issue
    7
    DOI
    https://doi.org/10.1071/CH9941335
    Subject
    Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/68106
    Collection
    • Journal articles

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