Chemical Constituents of Acroscyphus sphaerophoroides

Nine compounds,methyl lecanorate(Ⅰ),lecanoric acid(Ⅱ),gyrophoric acid(Ⅲ),orcinol(Ⅳ),methyl orsellinate(Ⅴ),skyrin(Ⅵ),meso-erythritol(Ⅶ),volemitol(Ⅷ),and palmitic acid(Ⅸ) were isolated from Acroscyphus sphaerophoroides Lév.collected from Laojunshan Lijiang in Yunnan province.Their structures were identified by spectroscopic analysis and comparison with the data reported in literature.Compounds Ⅰ,Ⅱ,Ⅳ and Ⅴ were isolated from Acroscyphus sphaerophoroides Lév.for the first time.Compounds Ⅲ and Ⅵ were the main characteristic components of Acroscyphus sphaerophoroides Lév.