Sesquiterpene-coumarin ethers and polyacetylenes from Bfrocchia cinerea |
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| Authors: | Harald Greger Otmar Hofer |
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| Institution: | 1. Institute of Botany, University of Vienna, A-1030 Vienna, Austria;2. Institute of Organic Chemistry, University of Vienna, A-1090 Vienna, Austria |
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| Abstract: | The roots of Brocchia cinerea afforded, in addition to known spiroketalenolether polyynes and sesquiterpene-coumarin ethers, two new isofraxidin-derived sesquiterpene ethers as well as the new 8-farnesyl-scopoletin. The structures of the new compounds were elucidated on the basis of spectroscopic evidence. The chemotaxonomic significance of sesquiterpene-coumarin ether and spiroketalenolether accumulation within the tribe Anthemideae is discussed. |
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| Keywords: | Compositae sesquiterpene-coumarin ethers 8-farnesylscopoletin spiroketalenolether polyynes chemotaxonomy |
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