Two new secolignans from Selaginella sinensis (Desv.) Spring

Abstract

Two new secolignans, 3,4-trans-3-hydroxymethyl-4-[bis(4-hydroxyphenyl)methyl]butyrolactone (1) and 2,3-trans-3,4-trans-2-methoxy-3-hydroxymethyl-4-[bis(4-hydroxyphenyl)methyl]tetrahydrofuran (2), together with six known compounds, were isolated from the whole grass of Selaginella sinensis (Desv.) Spring. Their structures were elucidated by NMR and MS experiments.

Keywords:

• Selaginella sinensis
• secolignans
• styraxlignolide D
• neolloydosin

Acknowledgements

We thank Prof. Cheng-Ming Dong (Henan University of Traditional Chinese Medicine, China) for making the original plant collections from Xixia County of Henan Province and for the plant identification. We also thank Prof. Jian-Xun Kang and Prof. Wei-Guo Zhu (Zhengzhou University, China) for the NMR spectral experiments and Zhi-Hong Chen and Hai-Yan Gong (Henan University of Traditional Chinese Medicine, China) for the UV and IR experiments.