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KMID : 0620720090150010012
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Natural Product Sciences
2009 Volume.15 No. 1 p.12 ~ p.16
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Phytochemical Constituents from Metasequoia glyptostroboids Leaves
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Duan Chao-Hui
Lee Jung-No
Lee Chung-Mong
Lee Ghang-Tai
Lee Kun-Kook
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Abstract
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Phytochemical investigation of Metasequoia glyptostroboids leaves resulted in the isolation of ten compounds. The structures were determined to be isoquercitrin (1), quercitrin (2), myricitrin (3), amentoflavone (4), sciadopitysin (5), isoginkgetin (6), 2,3-dihydrosciadopitysin (7), 2,3-dihydroisoginkgetin (8), 3β-acetoxy-8(17),13E-labdadien-15-oic acid (9) and β-sitosterol (10) by spectroscopic analyses. Isoquercitrin (1) was isolated from this plant for the first time.
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KEYWORD
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Metasequoia glyptostroboids, Isoquercitrin
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