Manoyloxide Sesterterpenoids from Salvia mirzayanii

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• 作者：Samad N. Ebrahimi ; M. Moridi Farimani ; Foroogh Mirzania ; Mohammad A. Soltanipoor ; Maria De Mieri ; Matthias Hamburger
• 刊名：Journal of Natural Products
• 出版年：2014
• 出版时间：April 25, 2014
• 年：2014
• 卷：77
• 期：4
• 页码：848-854
• 全文大小：409K
• 年卷期：v.77,no.4(April 25, 2014)
• ISSN：1520-6025

文摘

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鈥?b>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.