A novel eremophilane dimer,named fischelactone（1）,was isolated from the roots of Ligularia fischeri.Complete structural elucidation of this compound was performed by HRESIMS,IR,1D NMR and 2D NMR（;H-;H COSY,HMBC,HMQ...A novel eremophilane dimer,named fischelactone（1）,was isolated from the roots of Ligularia fischeri.Complete structural elucidation of this compound was performed by HRESIMS,IR,1D NMR and 2D NMR（;H-;H COSY,HMBC,HMQC and NOESY） data.展开更多
Two new eremophilane sesquiterpenes, 15β-formic ether-6-oxo-furanoeremophilane （1） and 6α, 15β-epoxy eremophila-7（11）-en-8α, 12-olide （2） were isolation from the roots of Ligularia macrophylla. Their structu...Two new eremophilane sesquiterpenes, 15β-formic ether-6-oxo-furanoeremophilane （1） and 6α, 15β-epoxy eremophila-7（11）-en-8α, 12-olide （2） were isolation from the roots of Ligularia macrophylla. Their structures were deduced from spectroscopic methods and 2D NMR experiments.展开更多
基金financially supported by State Key Laboratory of Applied Organic Chemistry,Lanzhou University, China and Natural Science Foundation of Shandong Province,China(No.Y2008D23).
文摘A novel eremophilane dimer,named fischelactone（1）,was isolated from the roots of Ligularia fischeri.Complete structural elucidation of this compound was performed by HRESIMS,IR,1D NMR and 2D NMR（;H-;H COSY,HMBC,HMQC and NOESY） data.
基金This work was supported by the National Natural Science Foundation of China(No.29972017).
文摘Two new eremophilane sesquiterpenes, 15β-formic ether-6-oxo-furanoeremophilane （1） and 6α, 15β-epoxy eremophila-7（11）-en-8α, 12-olide （2） were isolation from the roots of Ligularia macrophylla. Their structures were deduced from spectroscopic methods and 2D NMR experiments.
