Planta Med 2012; 78(1): 59-64
DOI: 10.1055/s-0031-1280216
Natural Product Chemistry
Original Papers
© Georg Thieme Verlag KG Stuttgart · New York

Structurally Diverse Terpenoids from the Rhizomes of Cyperus rotundus L.

Jun-Li Yang1 , Yan-Ping Shi1 , 2
  • 1State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, People's Republic of China
  • 2Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
Further Information

Publication History

received June 22, 2011 revised July 30, 2011

accepted August 16, 2011

Publication Date:
16 September 2011 (online)

Abstract

An extract of the rhizomes of Cyperus rotundus L. afforded two new sesquiterpenoids (2 and 3) with rearranged secoeudesmane and germacrane skeletons, and a new 9,10-seco-cycloartane triterpenoid (9), as well as seven previously reported terpenoids, including a monoterpenoid (1), five sesquiterpenoids (48) with guaiane, patchoulane, and eudesmane skeletons, and a 3,4-seco-dammarane nortriterpenoid (10). The structures of 110 were elucidated by extensive spectroscopic methods and comparison with the literature data. The structures of 2 and 6 were confirmed by single-crystal X-ray diffraction analysis. The carbon skeleton of 2 is the third example reported thus far of such a skeleton and the 9,10-seco-cycloartane framework of 9 has rarely been found from a natural source. Compound 7 was a new natural product and compounds 15 and 710 were discovered from the genus Cyperus for the first time. This study may provide some useful information for the chemotaxonomy for the plant Cyperus rotundus.

Supporting Information

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Prof. Dr. Yan-Ping Shi

Lanzhou Institute of Chemical Physics
Chinese Academy of Sciences

Lanzhou 730000

People's Republic of China

Phone: +86 931 4 96 82 08

Fax: +86 931 8 27 70 88

Email: shiyp@licp.cas.cn