Chemical investigation of the lichen (Nyl.) Hale led to the isolation of two new phenolic compounds, 2-ethylhexyl orsellinate () and tinctorinone (). The structures were determined by analysis of their MS and NMR data as well as by comparison with literature data. The 2-ethylhexyl ester group of 2-ethylhexyl orsellinate is uncommon among lichen metabolites. Tinctorinone revealed strong inhibition towards α-glucosidase.

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http://dx.doi.org/10.1080/14786419.2020.1864367DOI Listing

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