Alkyl glycosides from the flowers of magnolia obovata

Eun Ji Oh; Kyeong Hwa Seo; Jung Hwa Kwon; Dae Young Lee; Nam In Baek

doi:10.3839/jabc.2015.036

Alkyl glycosides from the flowers of magnolia obovata

Eun Ji Oh, Kyeong Hwa Seo, Jung Hwa Kwon, Dae Young Lee, Nam In Baek

School of Life Science and Biotechnology

Kyung Hee University

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

Abstract

The flowers of Magnolia obovata were extracted with aqueous MeOH and fractionated into EtOAc, n-BuOH, and H2O fractination. Three alkyl glycosides were isolated from the EtOAc fraction through repeated silica gel and ODS column chromatography. The structures were identified to be 2-methylbutan-1-ol-β-Dgalacto- pyranoside (1), 2-methylbutan-1-ol-β-D-glucopyranoside (2), and 2-methylpropan-1-ol-β-D-glucopyranoside (3) on the basis of spectroscopic analyses such as fast atom bombardment mass spectrometry, infrared spectroscopy, 1D nuclear magnetic resonance (NMR) (¹H and ¹³C-NMR), and 2D NMR (gCOSY, gHSQC, and gHMBC). These compounds were isolated for the first time from the flower of M. obovata in this study.

Original language	English
Pages (from-to)	233-236
Number of pages	4
Journal	Journal of Applied Biological Chemistry
Volume	58
Issue number	3
DOIs	https://doi.org/10.3839/jabc.2015.036
State	Published - 22 Sep 2015

Keywords

2-methylbutan-1-ol-β-D-galactopyranoside
2-methylbutan-1-ol-β-D-glucopyranoside
2-methylpropan-1-ol-β-D-glucopyranoside
Flower
Magnolia obovata

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@article{163d30ed64c34c8c9a637da46701449b,

title = "Alkyl glycosides from the flowers of magnolia obovata",

abstract = "The flowers of Magnolia obovata were extracted with aqueous MeOH and fractionated into EtOAc, n-BuOH, and H2O fractination. Three alkyl glycosides were isolated from the EtOAc fraction through repeated silica gel and ODS column chromatography. The structures were identified to be 2-methylbutan-1-ol-β-Dgalacto- pyranoside (1), 2-methylbutan-1-ol-β-D-glucopyranoside (2), and 2-methylpropan-1-ol-β-D-glucopyranoside (3) on the basis of spectroscopic analyses such as fast atom bombardment mass spectrometry, infrared spectroscopy, 1D nuclear magnetic resonance (NMR) (1H and 13C-NMR), and 2D NMR (gCOSY, gHSQC, and gHMBC). These compounds were isolated for the first time from the flower of M. obovata in this study.",

keywords = "2-methylbutan-1-ol-β-D-galactopyranoside, 2-methylbutan-1-ol-β-D-glucopyranoside, 2-methylpropan-1-ol-β-D-glucopyranoside, Flower, Magnolia obovata",

author = "Oh, {Eun Ji} and Seo, {Kyeong Hwa} and Kwon, {Jung Hwa} and Lee, {Dae Young} and Baek, {Nam In}",

note = "Publisher Copyright: {\textcopyright} The Korean Society for Applied Biological Chemistry 2015.",

year = "2015",

month = sep,

day = "22",

doi = "10.3839/jabc.2015.036",

language = "English",

volume = "58",

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AU - Oh, Eun Ji

AU - Seo, Kyeong Hwa

AU - Kwon, Jung Hwa

AU - Lee, Dae Young

AU - Baek, Nam In

N1 - Publisher Copyright: © The Korean Society for Applied Biological Chemistry 2015.

PY - 2015/9/22

Y1 - 2015/9/22

N2 - The flowers of Magnolia obovata were extracted with aqueous MeOH and fractionated into EtOAc, n-BuOH, and H2O fractination. Three alkyl glycosides were isolated from the EtOAc fraction through repeated silica gel and ODS column chromatography. The structures were identified to be 2-methylbutan-1-ol-β-Dgalacto- pyranoside (1), 2-methylbutan-1-ol-β-D-glucopyranoside (2), and 2-methylpropan-1-ol-β-D-glucopyranoside (3) on the basis of spectroscopic analyses such as fast atom bombardment mass spectrometry, infrared spectroscopy, 1D nuclear magnetic resonance (NMR) (1H and 13C-NMR), and 2D NMR (gCOSY, gHSQC, and gHMBC). These compounds were isolated for the first time from the flower of M. obovata in this study.

AB - The flowers of Magnolia obovata were extracted with aqueous MeOH and fractionated into EtOAc, n-BuOH, and H2O fractination. Three alkyl glycosides were isolated from the EtOAc fraction through repeated silica gel and ODS column chromatography. The structures were identified to be 2-methylbutan-1-ol-β-Dgalacto- pyranoside (1), 2-methylbutan-1-ol-β-D-glucopyranoside (2), and 2-methylpropan-1-ol-β-D-glucopyranoside (3) on the basis of spectroscopic analyses such as fast atom bombardment mass spectrometry, infrared spectroscopy, 1D nuclear magnetic resonance (NMR) (1H and 13C-NMR), and 2D NMR (gCOSY, gHSQC, and gHMBC). These compounds were isolated for the first time from the flower of M. obovata in this study.

KW - 2-methylbutan-1-ol-β-D-galactopyranoside

KW - 2-methylbutan-1-ol-β-D-glucopyranoside

KW - 2-methylpropan-1-ol-β-D-glucopyranoside

KW - Flower

KW - Magnolia obovata

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U2 - 10.3839/jabc.2015.036

DO - 10.3839/jabc.2015.036

M3 - Article

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VL - 58

SP - 233

EP - 236

JO - Journal of Applied Biological Chemistry

JF - Journal of Applied Biological Chemistry

IS - 3

ER -

Alkyl glycosides from the flowers of magnolia obovata

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Keywords

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