Summary
Compounds synthesized previously — di-O-isopropylidenelagochilin, di-O-acetyl-3,18-O-isopropylidenelagochilin, and 3,18-O-isopropylidenelagochilin — have been isolated for the first time from the plantLagochilus pubescens, and some supplementations have been made to their physicochemical constants.
A new diterpene compound has been isolated for which, on the basis of IR, PMR, and mass spectra and chemical transformations, the structure of 16-O-acetyl-3,18-O-isopropylidenelagochilin is proposed.
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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. 46–49, January–February, 1977.
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Mavlyankulova, Z.I., Zainutdinov, U.N. & Aslanov, K.A. Diterpenes ofLagochilus pubescens . Chem Nat Compd 13, 39–41 (1977). https://doi.org/10.1007/BF00566167
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DOI: https://doi.org/10.1007/BF00566167