Isolation and Structural Study on Carbohydrates from Cynanchum otophyllum and Cynanchum paniculatum

Three new carbohydrates were isolated from the acidic hydrolysis part of the ethyl acetate extract of Cynanchum otophyllum Schneid (Asclepiadaceae) and one new carbohydrate from the ethyl acetate extract of Cynanchum paniculatum Kitagawa. Their structures were determined as methyl 2,6-dideoxy-3-O-me...

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Published in:Journal of carbohydrate chemistry 2008-10, Vol.27 (7), p.401-410
Main Authors: Zhao, Yi-Bin, Fan, Quan-Shui, Xu, Gui-Li, Feng, Zi-Liang, Hao, Xiao-Jiang
Format: Article
Language:English
Subjects:
Asclepiadaceae
Carbohydrates
Cynanchum otophyllum
Cynanchum paniculatum
Hydrolysate
Spectroscopy
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cited_by cdi_FETCH-LOGICAL-c377t-15b5c0ac02c0208b0ce29e6da6d30fccf07869d5ad14031ef1729f236433b73a3
cites cdi_FETCH-LOGICAL-c377t-15b5c0ac02c0208b0ce29e6da6d30fccf07869d5ad14031ef1729f236433b73a3
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container_issue 7
container_start_page 401
container_title Journal of carbohydrate chemistry
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creator Zhao, Yi-Bin
Fan, Quan-Shui
Xu, Gui-Li
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Hao, Xiao-Jiang
description Three new carbohydrates were isolated from the acidic hydrolysis part of the ethyl acetate extract of Cynanchum otophyllum Schneid (Asclepiadaceae) and one new carbohydrate from the ethyl acetate extract of Cynanchum paniculatum Kitagawa. Their structures were determined as methyl 2,6-dideoxy-3-O-methyl-α-D-arabino-hexopyranosyl-(1 → 4)-2,6-deoxy-3-O-methyl-β-D-arabino-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-α-D-arabino-hexopyranoside (1), ethyl 2,6-dideoxy-3-O-methyl-β-D-ribo-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-α-l-lyxo-hexopyranoside (2), met hyl 2,6-dideoxy-3-O-methyl-α-l-ribo-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-β-D-lyxo-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-α-D-arabino-hexopyranoside (3), and 2,6-dideoxy-3-O-methyl-β-D-ribo-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-α-d-arabino-hexopyranosyl-(1 → 4)-2,6-dideoxy-3-O-methyl-α -d-arabino-hexopyranose (4), respectively, by spectral methods.
doi_str_mv 10.1080/07328300802401301
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subjects Asclepiadaceae
Carbohydrates
Cynanchum otophyllum
Cynanchum paniculatum
Hydrolysate
Spectroscopy
title Isolation and Structural Study on Carbohydrates from Cynanchum otophyllum and Cynanchum paniculatum
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