A new lignan ligballinone 1 with the know ligbaUinol 2 were isolated from plant Gynostemma pentaphyllum. Their structures were determined through spectroscopic methods including ESI-MS, 1D and 2D NMR (^1H, ^13C, DEPT...A new lignan ligballinone 1 with the know ligbaUinol 2 were isolated from plant Gynostemma pentaphyllum. Their structures were determined through spectroscopic methods including ESI-MS, 1D and 2D NMR (^1H, ^13C, DEPT, ^1H-^1H COSY, HMQC, HMBC) and X-ray diffraction experiment for 2.展开更多
基金supported by Shanxi Scholarship Council of China.
文摘A new lignan ligballinone 1 with the know ligbaUinol 2 were isolated from plant Gynostemma pentaphyllum. Their structures were determined through spectroscopic methods including ESI-MS, 1D and 2D NMR (^1H, ^13C, DEPT, ^1H-^1H COSY, HMQC, HMBC) and X-ray diffraction experiment for 2.