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