Manoyloxide Sesterterpenoids from Salvia mirzayanii

Five new manoyloxide-type sesterterpenes were isolated from aerial parts of Salvia mirzayanii, a species endemic to Iran. The planar structures were established by means of 1D and 2D NMR and HRESIMS. Compounds 1–3 differed only in their configurations at C-13 and C-14. Assignment of relative and abs...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2014-04, Vol.77 (4), p.848-854
Main Authors: Ebrahimi, Samad N, Farimani, M. Moridi, Mirzania, Foroogh, Soltanipoor, Mohammad A, De Mieri, Maria, Hamburger, Matthias
Format: Article
Language:English
Subjects:
Diterpenes - chemistry
Diterpenes - isolation & purification
Iran
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Salvia - chemistry
Sesterterpenes - chemistry
Sesterterpenes - isolation & purification
Stereoisomerism
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Summary:Five new manoyloxide-type sesterterpenes were isolated from aerial parts of Salvia mirzayanii, a species endemic to Iran. The planar structures were established by means of 1D and 2D NMR and HRESIMS. Compounds 1–3 differed only in their configurations at C-13 and C-14. Assignment of relative and absolute configurations was achieved by NOESY experiments and by comparison of experimental and simulated ECD spectra of possible stereoisomers. The absolute configurations of 4 and 5 were established in a similar manner.
ISSN:0163-3864
1520-6025
DOI:10.1021/np400948n