A new depsidone,diffractione A(1),as well as six known phenolic compounds(2-7)were isolated from Usnea diffracta.Their structures were elucidated by 1D and 2D NMR spectroscopy together with HRESIMS analysis.All compon...A new depsidone,diffractione A(1),as well as six known phenolic compounds(2-7)were isolated from Usnea diffracta.Their structures were elucidated by 1D and 2D NMR spectroscopy together with HRESIMS analysis.All components were obtained for the first time from U.diffracta.展开更多
基金supported by the National 863 Program of China(No.2007AA09Z403)National Key Technology Research and Development Program of China(No.2007BAI37B05)Natural Science Foundation of Gansu Province(No.0710RJZA120).
文摘A new depsidone,diffractione A(1),as well as six known phenolic compounds(2-7)were isolated from Usnea diffracta.Their structures were elucidated by 1D and 2D NMR spectroscopy together with HRESIMS analysis.All components were obtained for the first time from U.diffracta.
