Dimeric guaianolides from Artemisia sieversiana |
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| Authors: | Ferdinand Bohlmann Widayati Ang Carola Trinks Jasmin Jakupovic Siegfried Huneck |
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| Institution: | 1. Institute of Plant Biochemistry, Research Centre for Molecular Biology and Medicine of the Academy of Sciences of the GDR, GDR-4020 Halle/Saale, Weinberg, German Democratic Republic |
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| Abstract: | The aerial parts of Artemisia sieversiana afforded in addition to known compounds five new guaianolides and four dimeric guaianolides, three of them closely related to absinthin and one derived from estafiatin as a monomer. The structures were elucidated by extensive NMR studies, which allowed the assignment of the 14 chiral centres. Artemisia frigida afforded several known compounds and one new guaianolide, 8-desoxy-cumambrin B, the most likely precursor of many guaianolides. |
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| Keywords: | Compositae sesquiterpene lactones guaianolides dimeric guaianolides |
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