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Neo-clerodane diterpenoids from teucrium yemense
Authors:Essam Abdel Sattar   Jaber S. Mossa   Ilias Muhammad  Farouk S. El-Feraly
Affiliation:

Department of Pharmacognosy and Research Center for Medicinal, Aromatic and Poisonous Plants, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia

Abstract:The aerial parts of Teucrium yemense yielded four new neo-clerodane diterpenoids, namely, 6β-O-acetyl-3β-hydroxyteucroxylepin, teucryemin, 19-O-acetylteucryemin and teucryeminone, in addition to the known flavone cirsiliol. The structures of the new compounds were elucidated from their spectral data, by chemical derivatization and by comparison with closely related compounds.
Keywords:
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