Herbertane sesquiterpenoids from the liverworts Herbertus aduncus and H. borealis

Buchanan, M. S., Connolly, J. D. and Rycroft, D. S. (1996) Herbertane sesquiterpenoids from the liverworts Herbertus aduncus and H. borealis. Phytochemistry, 43(6), pp. 1245-1248. (doi: 10.1016/S0031-9422(96)00512-2)

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Two new herbertane sesquiterpenoids, (−)-1,2-dihydroxyherberten-12-al and methyl 1,2-dihydroxyherberten-12-oate, were isolated from the liverwort Herbertus aduncus ssp. hutchinsiae together with herbertene, α-herbertenol, β-herbertenol, and herbertene-1,2-diol. Their structures were established by spectroscopic methods, especially NMR spectroscopy. Herbertene and α-herbertenol were identified in H. borealis on analysis by GC and 1H NMR. The early development of the identification of herbertane rather than cuparane sesquiterpenoids in H. aduncus is reviewed critically, and attention is drawn to the fact that, despite already being recognized as being obsolete, an early report concerning the occurrence of a cuparenediol in Herbertus species has been promulgated in a recent review.

Item Type:Articles
Keywords:Herbertus aduncus, Herbertus borealis, Herbertaceae, Jungermanniales, Hepaticae, liverwort, herbertane sesquiterpenoids, 1H and 13C NMR parameters.
Glasgow Author(s) Enlighten ID:Connolly, Professor Joseph and Rycroft, Dr David
Authors: Buchanan, M. S., Connolly, J. D., and Rycroft, D. S.
Subjects:Q Science > QD Chemistry
Q Science > QK Botany
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Phytochemistry
Publisher:Elsevier Science
ISSN (Online):1873-3700

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