Chemical comparison of liverworts using NMR spectroscopy

Rycroft, D. S. (1998) Chemical comparison of liverworts using NMR spectroscopy. Journal of the Hattori Botanical Laboratory, 84, pp. 105-111.

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The lipophilic constituents of liverworts have been studied using 1H NMR spectroscopy by extracting small samples of the liverworts with the NMR solvent CDCl3. One application of the technique has been to compare samples of Adelanthus decipiens of different origin, including herbarium specimens: of particular interest is a re-investigation, using a voucher specimen, of material that was the subject of a GC-MS study in 1981. The strength of the technique is demonstrated by the finding that compounds previously thought to be eudesmanolides are actually wettsteins A and B, two of the ten highly oxygenated naphthalenes acetophenones identified in Adelanthus decipiens. The 1H NMR spectrum of the extract of one sample of Cryptothallus mirabilis showed that one compound was predominant in the extract; this compound is 15-acetoxypinguisone, a simple derivative of the sesquiterpene ketone first isolated from Aneura pinguis, a fellow member of the Aneuraceae.

Item Type:Articles
Keywords:Secondary metabolites, natural product chemistry, Hepaticae.
Glasgow Author(s) Enlighten ID:Rycroft, Dr David
Authors: Rycroft, D. S.
Subjects:Q Science > QD Chemistry
Q Science > QK Botany
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Journal of the Hattori Botanical Laboratory
Publisher:Hattori Botanical Laboratory

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