The isolation of methyl β-orsellinate from Stereocaulon alpinum and comments on the isolation of 4,6-dihydroxy-2- methoxy-3-methylacetophenone from stereocaulon species |
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| Authors: | Peter J. Hylands Kristin Ingolfsdottir |
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| Affiliation: | Pharmacognosy Research Laboratories, Department of Pharmacy, Chelsea College, University of London, Manresa Road, London SW3 6LX, U.K. |
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| Abstract: | Methyl β-orsellinate has been isolated from chloroform extracts of Stereocaulon alpinum. It is shown that methyl β-orsellinate was probably previously misidentified as 4,6-dihydroxy-2-methoxy-3-methylacetophenone during work on Stereocaulon vesuvianum. Reports of the isolation of the latter thus appear to be erroneous. The status of methyl β-orsellinate as a naturally occurring metabolite is discussed. |
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| Keywords: | Stereocaulaceae phenolic carboxylic acids depsides atranorin 4,6- dihydroxy-2-methoxy-3-methylacetophenone methyl β-orsellinate |
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