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01-10-2009 | Original Paper

Lignan and neolignan glucosides, and tachioside 2′-O-4″-O-methylgallate from the leaves of Glochidion rubrum

Authors: Wen-Hu Cai, Katsuyoshi Matsunami, Hideaki Otsuka, Takakazu Shinzato, Yoshio Takeda

Published in: Journal of Natural Medicines | Issue 4/2009

Abstract

Thirteen compounds (1–13) were isolated from a MeOH extract of leaves of Glochidion rubrum. The structures of four new compounds were elucidated to be (−)-isolariciresinol 2a-O-β-d-glucopyranoside (1), (7R,8S)- and (7R,8R)-4,7,9,9′-tetrahydroxy-3,3′-dimethoxy-8-O-4′-neolignan 7-O-β-d-glucopyranosides (2 and 3, respectively), and tachioside 2′-O-4″-O-methylgallate (4) on detailed inspection of one- and two-dimensional NMR spectral data.

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Title: Lignan and neolignan glucosides, and tachioside 2′-O-4″-O-methylgallate from the leaves of Glochidion rubrum
Authors: Wen-Hu Cai
Katsuyoshi Matsunami
Hideaki Otsuka
Takakazu Shinzato
Yoshio Takeda
Publication date: 01-10-2009
Publisher: Springer Japan
Published in: Journal of Natural Medicines / Issue 4/2009
Print ISSN: 1340-3443
Electronic ISSN: 1861-0293
DOI: https://doi.org/10.1007/s11418-009-0344-6

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Lignan and neolignan glucosides, and tachioside 2′-O-4″-O-methylgallate from the leaves of Glochidion rubrum

Abstract

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