Résumé
Un nouveau diterpène, barbatol (1), a été isolé d'une sous-espèce de laSideritis arborescens Salzm. (Labiées) et sa structure a été établie comme étantent-8, 13 β-epoxylabdane-14S, 15-diol.
Literatur
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Satisfactory elemental analysis have been obtained for all the products here described.
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Part XXV in the series ‘Studies on diterpenes from genusSideritis’. For part XXIV seeB. Rodríguez, S. Valverde, R. Cuesta andA. Peña, Phytochemistry, in press.
The authors thank Dr.J. Borja, Botany Department, Faculty of Pharmacy, Madrid, for the collection and botanical classification of the plant material and Dr.B. M. Fraga, Department of Organic Chemistry, University of La Laguna (Tenerife, Canary Isles) for a sample of (−)-13-epimanoyl oxide.
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von Carstenn-Lichterfelde, C., Rodríguez, B. & Valverde, S. Barbatol, a new diterpenoid from aSideritis arborescens Salzm. subspecie. Experientia 31, 757–758 (1975). https://doi.org/10.1007/BF01938444
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DOI: https://doi.org/10.1007/BF01938444