Structure of ballotinone, a diterpenoid from Ballota nigra
Abstract
Ballotinone has been shown on the basis of its 13C n.m.r. spectrum to be 7-oxomarrubiin [15,16-epoxy-9-hydroxy-7-oxo-8βH-labda-13(16),14-dien-19,6β-olactone].
Ballotinone has been shown on the basis of its 13C n.m.r. spectrum to be 7-oxomarrubiin [15,16-epoxy-9-hydroxy-7-oxo-8βH-labda-13(16),14-dien-19,6β-olactone].
G. Savona, F. Piozzi, J. R. Hanson and M. Siverns, J. Chem. Soc., Perkin Trans. 1, 1976, 1607 DOI: 10.1039/P19760001607
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