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KMID : 0620720060120040193
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Natural Product Sciences
2006 Volume.12 No. 4 p.193 ~ p.196
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Cerebrosides and Triterpenoids from the Roots of Synurus deltoides
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Lee Hyun-Young
Min Byung-Sun
Son Kun-Ho
Chang Hyun-Wook
Kim Hyun-Pyo
Kang Sam-Sik
Bae Ki-Hwan
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Abstract
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A mixture of cerebrosides (1) and four triterpenoids (2 - 5) have been isolated from the hexane- and EtOAc-soluble fractions of the roots of Synurus deltoides (Ait.) Nakai (Compositae). Triterpenoid structures were determined as lupeol (2),β-amyrin (3),α-amyrin (4), and ursolic acid (5). Synurus cerebrosides (1) were characterized as a common long chain base (2S,3S,4R,8E)-2-amino-8-octadecene-1,3,4-triol and fatty acyl chains; palmitic acid, (2R)-2-hydroxybehenic acid, (2R)-2-hydroxytricosanoic acid, (2R)-2-hydroxylignoceric acid, (2R)-2-hydroxypentacosanoic acid, and (2R)-2-hydroxyhexacosanoic acid. The synurus cerebrosides (1) were the first isolation from a natural source.
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KEYWORD
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Synurus deltoides, cerebroside, sturcture determination, triterpenoid
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