Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Abstract:
A new depsidone,diffractione A(1),as well as six known phenolic compounds(2-7)were isolated from Usnea diffracta.Their structures were ducidated by ID and 2D NMR spectroscopy together with HRESIMS analysis.All components were obtained for the first time from U.diffracta.