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Three Novel Terpenoids from Schisandra pubescens var. pubinervis

✍ Scribed by Sheng-Xiong Huang; Jing Yang; Wei-Lie Xiao; Yan-Ling Zhu; Rong-Tao Li; Li-Mei Li; Jian-Xin Pu; Xian Li; Sheng-Hong Li; Han-Dong Sun

Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
146 KB
Volume
89
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Three new terpenoids, pubinernoids A–C (1–3), together with six known sesquiterpenoids, were isolated from the leaves and stems of Schisandra pubescens var. pubinervis. The structures of the new compounds were established on the basis of extensive spectroscopic analyses, including application of 2D‐NMR spectroscopic techniques. A plausible formation of the sesquiterpenoid 2 is proposed (Scheme 2), starting from guaianediol (4) as the biogenetic precursor, which was also present in the extract.

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