Summary
The plantLagochilus pubescens Vved. has yielded seven new diterpenoids, which have been characterized.
An investigation of chemical reactions and IR, mass, and PMR spectra has shows that they belong to the 9,13-epoxylabdane series and are acetylated derivatives of lagochilin.
On the basis of the results of a comparative study of PMR spectra of the diterpenoids isolated and of lagochilin the positions of attachment of the acetyl groups in these compounds have been determined.
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Literature cited
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Additional information
V. I. Lenin Tashkent State University. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 82–87, January–February, 1978.
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Mavlankulova, Z.I., Zainutdinov, U.N., Kamaev, F.G. et al. Acetyllagochilins from Lagochilus pubescens and their investigation by PMR spectroscopy. Chem Nat Compd 14, 66–69 (1978). https://doi.org/10.1007/BF00565879
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DOI: https://doi.org/10.1007/BF00565879