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New and Bioactive Sesquiterpenes from Schisandra sphenanthera

✍ Scribed by Khongorzul Mendbayar; I-Wen Lo; Chia-Ching Liaw; Yu-Chi Lin; Ahmed E. Fazary; Yuh-Chi Kuo; Hsiu-Ju Wang; Been Huang Chiang; Shorong-Shii Liou; Ya-Ching Shen

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
204 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Three new sesquiterpenes, schisansphenins A (1) and B (2) and (βˆ’)‐γ‐cuparenol (3), were isolated from an acetone extract of the fruits of Schisandra sphenanthera. The known compound 4 was isolated for the frist time from a natural source. The structures of the isolated compounds were elucidated through extensive spectroscopic analyses, particularly 2D‐NMR experiments (^1^H,^1^H‐COSY, HMQC, HMBC, and NOESY). A plausible biogenetic pathway for schisansphenin B (2) is proposed. Compounds 2 and 3 significantly reduced activation of NF‐AT and NF‐__ΞΊ__B in the luciferase‐reporter assay.

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.