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Isolation of Ellagitannin Monomer and Macrocyclic Dimer from Castanopsis carlesii Leaves
| 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
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Citable URI :
http://hdl.handle.net/10069/33639
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