Germacranolides from Piptolepis Ericoides and Vanillosmopsis species |
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| Authors: | Ferdinand Bohlmann Christa Zdero Harold Robinson Robert M King |
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| Institution: | 1. Institute for Organic Chemistry, Technical University of Berlin, Strasse des 17. Juni 135, D-1000 Berlin 12, West Germany;2. Smithsonian Institution, Washington, DC 20560, U.S.A. |
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| Abstract: | The aerial parts of Piptolepis ericoides afforded in addition to known compounds two new germacranolides, a zexbrevanolide and piptolepolide, tentatively characterized as a germacranolide with a trans-disubstituted double bond. From the aerial parts of two Vanillosmopis species in addition to goyazensolide, a new isomer with an exocyclic double bond was isolated. |
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| Keywords: | Vernonieae Compositae sesquiterpene lactones germacranolides |
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