Studies on the Constituents of the Root of Polygala tenuifolia WILLDENOW. II. On the Structures of Onjisaponins A, B and E
スポンサーリンク
概要
- 論文の詳細を見る
The structures of three triterpenoidal saponins, onjisaponins A (1), B (2) and E (3), were determined on the basis of spectral and chemical evidence as presenegenin-(3)-β-D-glucopyranosido-(28)-2-O-{[β-D-apio-D-furanosyl (1→3)] [β-D-galactopyranosyl (1→4)-β-D-xylopyranosyl (1→4)]-α-L-rhamnopyranosyl}-3-O-(α-L-rhamnopyranosyl)-4-O-(4'-methoxy-cinnamoyl)-β-D-fucopyranoside, presenegenin-(3)-β-D-glucopyranosido-(28)-2-O-[β-D-galactopyranosyl (1→4)-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl]-3-O-(α-L-rhamnopyranosyl)-4-O-(4'-methoxycinnamoyl)-β-D-fucopyranoside (=senegin III) and presenegenin- (3)-O-β-D-glucopyranosido-(28)-2-O-[β-D-galactopyranosyl (1→4)-β-D-xylopyranosyl (1→4)-α-L-rhamnopyranosyl]-4-O-(3', 4', 5'-trimethoxycinnamoyl)-β-D-fucopyranoside, respectively. The ^<13>C nuclear magnetic resonance spectra of onjisaponins A, B, E and their derivatives were investigated and each carbon signal was assigned as shown in Table I.
- 公益社団法人日本薬学会の論文
- 1982-03-25
著者
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庄司 順三
School Of Pharmaceutical Sciences Showa University
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佐久間 聖一
School of Pharmaceutical Sciences, Showa University
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佐久間 聖一
School Of Pharmaceutical Sciences Showa University
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庄司 順三
昭和大学
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