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Guaianolides from Saussurea lappa |
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| Authors: | P S Kalsi S Kumar G S Jawanda and B R Chhabra |
| Institution: | a Department of Chemistry, Punjab Agricultural University, Ludhiana-141 004, India b Department of Chemistry, PAU College of Home Science, Kaoni-152 031, India |
| Abstract: | Two new sesquiterpene lactones with an  ,β-unsaturated aldehyde group have been isolated from the roots of Saussurea lappa. Their stereostructures have been established by the combined use of spectroscopic as well as chemical methods via their synthesis from dehydrocostus lactone. |
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