Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Notes
Four New Cycloartane Glycosides from Thalictrum fortunei
Xian-Tao ZhangLei-Hong ZhangWen-Cai YeXiao-Ling ZhangZhi-Qi YinShou-Xun ZhaoXin-Sheng Yao
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2006 Volume 54 Issue 1 Pages 107-110

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Abstract
Four new cycloartane glycosides were isolated from the aerial parts of Thalictrum fortunei (Ranunculaceae). The chemical structures of these new glycosides were elucidated as 3-O-β-D-glucopyranosyl-(1→4)-β-D-fucopyranosyl (22S,24Z)-cycloart-24-en-3β,22,26-triol 26-O-β-D-glucopyranoside, 3-O-β-D-glucopyranosyl-(1→4)-β-D-fucopyranosyl (22S,24Z)-cycloart-24-en-3β,22,26-triol 26-O-β-D-quinovopyranosyl-(1→6)-β-D-glucopyranoside, 3-O-β-D-glucopyranosyl-(1→4)-β-D-fucopyranosyl (22S,24Z)-cycloart-24-en-3β,22,26-triol 26-O-β-D-xylopyranosyl-(1→6)-β-D-glucopyranoside, and 3-O-β-D-glucopyranosyl-(1→4)-β-D-fucopyranosyl (22S,24Z)-cycloart-24-en-3β,22,26-triol 26-O-α-L-arabinopyranosyl-(1→6)-β-D-glucopyranoside by extensive NMR methods, HR-ESI-MS, and hydrolysis. This is the first report of (22S,24Z)-3β,22,26-trihydroxycycloartan-24-ene (thelictogenin A, 5) being glycosylated at C-26.
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© 2006 The Pharmaceutical Society of Japan
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