| Literature DB >> 21375312 |
Hankui Wu1, Frank R Fronczek, Daneel Ferreira, Charles L Burandt, Jordan K Zjawiony.
Abstract
Six new labdane diterpenoids, preleosibirone A (1), 13-epi-preleosibirone A (2), isopreleosibirone A (3), leosibirone A (4), leosibirone B (5), and 15-epi-leosibirone B (6), were isolated from the leaves of Leonurus sibiricus. The absolute configurations of 1, 2, 5, and 6 were established by X-ray crystallographic analyses, and leosibirone A (4) was shown to be an artifact of the isolation process.Entities:
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Year: 2011 PMID: 21375312 PMCID: PMC3081930 DOI: 10.1021/np100956k
Source DB: PubMed Journal: J Nat Prod ISSN: 0163-3864 Impact factor: 4.050