Two new secolignans (1 and 2) were isolated from the roots of Urtica mairei Levi. The structures of these two compounds were determined on the basis of extensive spectroscopic methods including HR-EI-MS, 1D and 2D N...Two new secolignans (1 and 2) were isolated from the roots of Urtica mairei Levi. The structures of these two compounds were determined on the basis of extensive spectroscopic methods including HR-EI-MS, 1D and 2D NMR experiments.展开更多
基金the NSFC project(No.30572317)research project of the Educational Department of Liaoning Province(No.2004F114)for the financial supports.
文摘Two new secolignans (1 and 2) were isolated from the roots of Urtica mairei Levi. The structures of these two compounds were determined on the basis of extensive spectroscopic methods including HR-EI-MS, 1D and 2D NMR experiments.