Tannins and Related Polyphenols of Rosaceous Medicinal Plants. IV.1)Roxbins A and B from Rosa roxburghii Fruits

Takashi Yoshida; Tsutomu Hatano; Makoto Fukushima; Xin Min Chen; Takuo Okuda

doi:10.1248/cpb.35.1817

Tannins and Related Polyphenols of Rosaceous Medicinal Plants. IV.1)Roxbins A and B from Rosa roxburghii Fruits

Takashi Yoshida, Tsutomu Hatano, Makoto Fukushima, Xin Min Chen, Takuo Okuda

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

From the unripe fruits of Rosa roxburghii tratt., two new hydrolyzable tannins, roxbin A (1) (a dimeric ellagitannin) and roxbin B (9), were isolated along with rugosin F (2), pedunculagin (3), casuarictin (4), alnusiin (5), stachyurin (6), tellimagrandin II (7), 2,3-O-(S)-hexahydroxydiphenoyl-D-glucose and (+)-catechin. The structures of new tannins were elucidated on the basis of chemical and spectral evidence.

Original language	English
Pages (from-to)	1817-1822
Number of pages	6
Journal	Chemical and Pharmaceutical Bulletin
Volume	35
Issue number	5
DOIs	https://doi.org/10.1248/cpb.35.1817
Publication status	Published - 1987

Keywords

Rosa roxburghii
Rosaceae
centrifugal partition chromatography
ellagitannin
roxbin A
roxbin B
tannin

ASJC Scopus subject areas

Chemistry(all)
Drug Discovery

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10.1248/cpb.35.1817

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abstract = "From the unripe fruits of Rosa roxburghii tratt., two new hydrolyzable tannins, roxbin A (1) (a dimeric ellagitannin) and roxbin B (9), were isolated along with rugosin F (2), pedunculagin (3), casuarictin (4), alnusiin (5), stachyurin (6), tellimagrandin II (7), 2,3-O-(S)-hexahydroxydiphenoyl-D-glucose and (+)-catechin. The structures of new tannins were elucidated on the basis of chemical and spectral evidence.",

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author = "Takashi Yoshida and Tsutomu Hatano and Makoto Fukushima and Chen, {Xin Min} and Takuo Okuda",

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T1 - Tannins and Related Polyphenols of Rosaceous Medicinal Plants. IV.1)Roxbins A and B from Rosa roxburghii Fruits

AU - Yoshida, Takashi

AU - Hatano, Tsutomu

AU - Fukushima, Makoto

AU - Chen, Xin Min

AU - Okuda, Takuo

PY - 1987

Y1 - 1987

N2 - From the unripe fruits of Rosa roxburghii tratt., two new hydrolyzable tannins, roxbin A (1) (a dimeric ellagitannin) and roxbin B (9), were isolated along with rugosin F (2), pedunculagin (3), casuarictin (4), alnusiin (5), stachyurin (6), tellimagrandin II (7), 2,3-O-(S)-hexahydroxydiphenoyl-D-glucose and (+)-catechin. The structures of new tannins were elucidated on the basis of chemical and spectral evidence.

AB - From the unripe fruits of Rosa roxburghii tratt., two new hydrolyzable tannins, roxbin A (1) (a dimeric ellagitannin) and roxbin B (9), were isolated along with rugosin F (2), pedunculagin (3), casuarictin (4), alnusiin (5), stachyurin (6), tellimagrandin II (7), 2,3-O-(S)-hexahydroxydiphenoyl-D-glucose and (+)-catechin. The structures of new tannins were elucidated on the basis of chemical and spectral evidence.

KW - Rosa roxburghii

KW - Rosaceae

KW - centrifugal partition chromatography

KW - ellagitannin

KW - roxbin A

KW - roxbin B

KW - tannin

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Tannins and Related Polyphenols of Rosaceous Medicinal Plants. IV.1)Roxbins A and B from Rosa roxburghii Fruits

Abstract

Keywords

ASJC Scopus subject areas

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