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New Phenylpropanoid-Substituted Flavan-3-ols from the Leaves of Castanopsis sclerophylla

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タイトル: New Phenylpropanoid-Substituted Flavan-3-ols from the Leaves of Castanopsis sclerophylla
著者: Tanaka, Takashi / Huang, Yong-Lin / Matsuo, Yosuke / Kouno, Isao / Li, Dian-Peng / Nonaka, Gen-ichiro
発行日: 2011年 9月26日
出版者: The Japan Institute of Heterocyclic Chemistry
引用: HETEROCYCLES, 83(10), pp.2321-2328; 2011
抄録: In the course of a chemotaxonomical study of Chinese Castanopsis species, two previously unknown flavan-3-ols, named sclerophynins A and B, were isolated from the leaves of C. sclerophylla, together with five related known compounds. On the basis of spectroscopic analysis, the new compounds were characterized to be (4S,8R,9S)-4-(3,4-dihydroxyphenyl)-8-(3,4,5-trihydroxyphenyl)- 3,4,9,10-tetrahydro-5,9-dihydroxy-2H,8H-benzo[1,2-b:3,4-b']dipyran-2- one and (4S,7S,8R)-4,8-bis(3,4-dihydroxyphenyl)-3,4,6,7-tetrahydro-5-glucopyranosyloxy- 7-hydroxy-2H,8H-benzo[1,2-b:5,4-b']dipyran-2-one, respectively.
キーワード: Castanopsis sclerophylla / Fagaceae / Polyphenol / Tannin / Chemotaxonomy
URI: http://hdl.handle.net/10069/26635
ISSN: 03855414
DOI: 10.3987/COM-11-12280
権利: © 2011 The Japan Institute of Heterocyclic Chemistry.
資料タイプ: Journal Article
原稿種類: author
出現コレクション:050 学術雑誌論文

引用URI : http://hdl.handle.net/10069/26635



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