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Planta Med 2012; 78(16): 1780-1783
DOI: 10.1055/s-0032-1315372
DOI: 10.1055/s-0032-1315372
Letters
A Phenolic Derivative and Two Diacetylenes from Symphyotrichum subulatum
Further Information
Publication History
received 20 April 2012
revised 27 June 2012
accepted 22 August 2012
Publication Date:
24 September 2012 (online)
![](https://www.thieme-connect.de/media/plantamedica/201216/lookinside/thumbnails/10.1055-s-0032-1315372-1.jpg)
Abstract
A pytochemical study on the constituents of the roots of Symphyotrichum subulatum led to the isolation of three new compounds including two diacetylenes, asterynes A (1) and B (2), and (E)-4-(3-acetoxyprop-1-enyl)-2-methoxyphenyl (S)-2-methylbutanoate (3) along with twelve known compounds. Their structures were elucidated with spectroscopic analyses. Compound 3 showed anti-inflammatory activity on LPS-induced NO production with an EC50 value of 15.0 µM.
Key words
Symphyotrichum subulatum - Asteraceae - asteryne A - asteryne B - (E)-4-(3-acetoxyprop-1-enyl)-2-methoxyphenyl (S)-2-methylbutanoate - anti-inflammatory-
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