Separation and Identification of Taxifolin 3- O -Glucoside Isomers from Chamaecyparis Obtusa (Cupressaceae)

Taxifolin 3- O -glucoside isomers, [(2R, 3R)-, (2R, 3S)-, (2S, 3R)- and (2S, 3S)-] were isolated from leaves of Chamaecyparis obtuse (Cupressaceae). Their structures were elucidated on the basis of UV, MS, CD, 1 H- and 13 C-NMR spectral data, including 2D shift correlation. It was found that the com...

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Bibliographic Details
Published in:Natural product letters 2002-12, Vol.16 (6), p.383-387
Main Authors: Sakushima, Akiyo, Ohno, Kosei, Coskun, Makusut, Seki, Koh-ichi, Ohkura, Kazue
Format: Article
Language:English
Subjects:
(2R, 3r)-, (2R, 3s)-, (2S, 3r)- And (2S, 3s)-Taxifolin 3- O -glucosides
Chamaecyparis - chemistry
Chamaecyparis Obtusa
Chromatography, High Pressure Liquid
Circular Dichroism
Cupressaceae
Glucosides - chemistry
Glucosides - isolation & purification
Japan
Medicine, Traditional
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Quercetin - analogs & derivatives
Quercetin - chemistry
Quercetin - isolation & purification
Stereoisomerism
Taxifolin 3- O -glucoside Isomers
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Summary:Taxifolin 3- O -glucoside isomers, [(2R, 3R)-, (2R, 3S)-, (2S, 3R)- and (2S, 3S)-] were isolated from leaves of Chamaecyparis obtuse (Cupressaceae). Their structures were elucidated on the basis of UV, MS, CD, 1 H- and 13 C-NMR spectral data, including 2D shift correlation. It was found that the compounds could be distinguished by the use of 1 H- and 13 C-NMR spectral data.
ISSN:1057-5634
DOI:10.1080/10575630290033141