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KMID : 0043320070300050547
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Archives of Pharmacal Research
2007 Volume.30 No. 5 p.547 ~ p.551
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A New C-10 Acetylene and A New Triterpenoid from Conyza canadensis
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Xie Wei Dong
Gao Xue
Jia Zhong Jian
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Abstract
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From the whole plants of Conyza canadensis (Compositae), a new C-10 acetylene, namely 8R, 9R-dihydroxymatricarine methyl ester (1), and a new triterpenoid, namely 3? 16? 20?trihydroxytaraxast- 3-O-palmitoxyl ester (4), were isolated along with eleven known compounds (2, 3, 5-13). The structures of all 13 compounds were elucidated on the basis of their spectral data. The antibacterial activities of compounds 1-3 were evaluated.
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KEYWORD
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Conyza canadensis, Compositae, Acetylenic compound, Triterpenoid, Antibacterial activity
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