Isomeric eremophilane lactones from Senecio tsoongianus

Y Zhao, H Jiang, M MacLeod, S Parsons, D W H Rankin, P Wang, C H K Cheng, H Shi, X J Hao, F Gueritte

Research output: Contribution to journalArticlepeer-review

Abstract

From the whole plant of Senecio tsoongianus, two pairs of epimers, tsoongianolides A (1) and B (2), and tsoongianolides C (3) and D (4), and two new sesquiterpene lactones, tsoongianolides E (5) and F (6), all of which possess the eremophilane skeleton, were isolated. Two known eremophilane dimers (7) and (8) were also obtained from this species. Their absolute structures were elucidated by 1D- and 2D-NMR techniques and by X-ray diffraction studies, along with chemical evidence.

Original languageEnglish
Pages (from-to)1546-1559
Number of pages14
JournalChemistry and Biodiversity
Volume1
Issue number10
Publication statusPublished - 2004

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