Heliangolides,and nerolidol and p-hydroxyacetophenone derivatives from Calea species |
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| Authors: | Ferdinand Bohlmann Christa Zdero Robert M King Harold Robinson |
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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: | A new Calea species afforded a heliangolide, closely related to niveusin C, while from Calea teucrifolia two new nerolidol derivatives and eight p-hydroxyacetophenone derivatives were isolated. The structures were elucidated by spectroscopic methods and a few chemical transformations. The spectral data of 8β-angeloylatripliciolide, the main constituent of C. teucrifolia, are also included. The chemotaxonomic situation is discussed briefly. |
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| Keywords: | Calea new sp Compositae sesquiterpene lactone nerolidol derivatives |
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