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).
A new phenolic lactone, named phellolactone (1) was isolated from the bark of Phellodendron chinense Schneid and its structure was elucidated by means of extensively spectroscopic methods, including IR, UV, HRESI-MS...
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).
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....