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KMID : 0043319960190050429
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Archives of Pharmacal Research
1996 Volume.19 No. 5 p.429 ~ p.431
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A Novel Cycloartane Glycoside from Thalictrum uchiyamai
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Choi Young-Hee
Kim Nan-Gyeong
Lee Ihn-Rhan
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Abstract
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A new cycloartane glycoside (1) was isolated from the aerial part of Thalictrum uchiyamai Nakai (Ranunculaceae). On the basis of chemical and physicochemical evidence, the aglycone structure of this compound was characterized as 116, 25-dihydroxy-3, 24-diacetoxy-9, 19-cycloartane-29-oic acid, a new derivative of cycloartane triterpene. Also the oli-gosaccharide moiety of this glycoside were determined as 29-O--L-rhanmnopyranosyl- ()-[-D-xylofuranosyl-()--D-glucopyranose by application of HMBC technoque. Consequently, the structure of compound 1 was elucidated as 29-O--L-rhanmnopyranosy-()-[-D-xylofuranosyl-()--D-glucopyranosyl-16, 25-dihydroxy-3, 24-diacetoxy-9, 19-cycloartane-29-oic acid ester.
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KEYWORD
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Cycloartane triterpene, 16.25-Dihydroxy-3, 24-diacetoxy-9, 19-cycloartane-29-oicacid, Glycoside, Thalictrum uchiyamai
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