Two new secolignans from the roots of Urtica mairei Levl.

Wei Wang ^a, ,
Xing Guo Yan ^a ,
Li Xin Duan ^b ,
Yuan Zhou ^a ,
Ling Tang ^a ,
Yong Qi Wang ^a ,
Bao Min Feng ^a,c

a College of Bioengineering, Dalian University, Economic and Development Zone, Dalian 116622, China;
b Center for Signal Transduction and Metabolomics, Institute of Botany, Chinese Academy of Sciences, Beijing 10093, China;
c Liaoning Key Laboratory of Bioorganic Chemistry, Dalian University, Economic and Development Zone, Dalian 116622, China

Received Date: 22 January 2008

Fund Project: The authors are grateful to the NSFC project (No. 30572317) and research project of the Educational Department of Liaoning Province (No. 2004F114) for the financial supports.

Twonew secolignans(1 and 2)were isolated from the roots of Urtica mairei Levl.The structures of these two compounds were determined on the basis of extensive spectroscopic methods including HR-E1-MS.1D and 2D NMR experiments.

Two new secolignans from the roots of Urtica mairei Levl.

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