Conclusions
1. From the neutral fraction of the oleoresin ofPinus sibirica R. Mayr have been isolated new macrocyclic diterpene compounds-isocembrene (I) and isocembrol (VI).
2. It has been shown that isocembrol is readily dehydrated into cembrene and isocembrene.
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References
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Khimiya Prirodnykh Soedinenii, Vol. 5, No. 1, pp. 10–14, 1969
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Kashtanova, N.K., Lisina, A.I. & Pentegova, V.A. Composition of the neutral fraction from the oleoresin ofPinus sibirica . Chem Nat Compd 5, 7–9 (1969). https://doi.org/10.1007/BF00564908
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DOI: https://doi.org/10.1007/BF00564908