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Isolation of Ellagitannin Monomer and Macrocyclic Dimer from Castanopsis carlesii Leaves

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Title: Isolation of Ellagitannin Monomer and Macrocyclic Dimer from Castanopsis carlesii Leaves
Authors: Huang, Yong-Lin / Tanaka, Takashi / Matsuo, Yosuke / Kouno, Isao / Li, Dian-Peng / Nonaka, Gen-ichiro
Issue Date: 24-Jul-2012
Publisher: 日本複素環化学研究所 / Japan Institute of Heterocyclic Chemistry
Citation: HETEROCYCLES, 86(1), pp.381-389; 2012
Abstract: In a phytochemical and chemotaxonomical investigation of Castanopsis species (Fagaceae), new monomeric and dimeric ellagitannins, named carlesiins A (1) and B (2), were isolated from fresh leaves of Castanopsis carlesii along with 55 known compounds. Carlesiin A was identified as 1-O-galloyl-4,6-(S)- tergalloyl-ß-D-glucose. Carlesiin B is a macrocyclic ellagitannin dimer with a symmetrical structure composed of two tergalloyl and two glucopyranose moieties. Their structures were elucidated based on spectroscopic and chemical evidence.
URI: http://hdl.handle.net/10069/33639
ISSN: 03855414
DOI: 10.3987/COM-12-S(N)29
Rights: © 2012 The Japan Institute of Heterocyclic Chemistry
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/33639

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