Issue 14, 1976

Structure of icetexone, a diterpene quinone from Salvia ballotaeflorae

Abstract

The title compound, a diterpenoid quinone isolated from Salvia ballotaeflorae Benth, crystallizes in space group P212121 with cell dimensions a= 20.991(7), b= 10.359(7) and c= 7.738(4)Å, with Z= 4. The structure was determined from diffractometer data by direct methods, and the model refined by least-squares techniques to R 0.037 for 1 331 observed reflections. The molecule contains a cyclohexane ring, a cycloheptadiene ring, a quinone moiety, and a γ-lactone. It is the first natural product of this structural type.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1976, 1728-1730

Structure of icetexone, a diterpene quinone from Salvia ballotaeflorae

Z. Taira, W. H. Watson and X. A. Dominguez, J. Chem. Soc., Perkin Trans. 2, 1976, 1728 DOI: 10.1039/P29760001728

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