Three New Aliphatic Acids from Lichens of Genus Parmelia (Subgenus Xanthoparmelia)

Three New Aliphatic Acids from Lichens of Genus Parmelia (Subgenus Xanthoparmelia) The identification of further new depsidones in the lichen Parmelia notata A new dibenzofuran and diphenyl ether from the lichen Gymnoderma melacarpum Chemistry of Australian Lichens. I. Some Constituents of Parmelia conspersa (Ehrh.) Ach., Ramalina fraxinea (L.) Ach., Usnea barbata (L.) Wigg., and U. ceratina Ach., from the New England Region 2,4-Di-O-methylgyrophoric acid and 2,4,5-tri-O-methylhiascic acid. New tridepsides from Parmelia damaziana 2,5-Dichloro-6-O-Methylnorlichexanthone and 4,5-Dichloro-6-O-Methylnorlichexanthone, Two New Xanthones From an Australian Dimelaena Lichen New metabolites from Australian lichens 3-Methoxy-2,4-di-O-methylgyrophoric acid: a novel tridepside from the lichen Parmelia subfatiscens 5-O-Methylhiascic acid, a new tridepside from Australian lichens Condidymic acid, a new dibenzofuran from the lichen Cladonia squamosula