A neo-clerodane diterpenoid from Teucrium asiaticum
1997
Rodriguez, B. | Torre, M.C. de la | Bruno, M. | Piozzi, F. | Vassallo, N. | Ciriminna, R. | Servettaz, O.
A novel neo-clerodane diterpene, teucrasiolide, was isolated from the aerial parts of Teucrium asiaticum as a mixture of C-15 epimers. Its structure, (15R and 15S, 20R)-15,19-diacetoxy-4 alpha, 18-epoxy-6-oxo- 20, 7 alpha-(20-O-acetyl)-hemicetal-neo-cleroda-11E, 13Z-dien-16,15-olide, was established by spectroscopic means.
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