Three New Sesquiterpenoids and One New Sesquiterpenoid Derivative from Chinese Eaglewood

Author: Zhao Huan   Peng Qinghua   Han Zhuzhen   Yang Li   Wang Zhengtao  

Publisher: MDPI

E-ISSN: 1420-3049|21|3|281-281

ISSN: 1420-3049

Source: Molecules, Vol.21, Iss.3, 2016-02, pp. : 281-281

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Abstract

Three new sesquiterpenoids (13) and one new sesquiterpenoid derivative (4), along with three known sesquiterpenoids (57), were isolated from the 95% ethanolic extract of Chinese eaglewood [Aquilaria sinensis (Lour.) Gilg]. The structures of these compounds were elucidated through extensive analysis of spectroscopic data including IR, NMR, HRESIMS, and X-ray diffraction experiments. In addition, the above new compounds were detected for their bioactivities against LPS-induced NO production in RAW 264.7 cells. Among them, compound 2 exhibited obvious anti-inflammatory activity with an IC50 value of 8.1 μM.