Saponin and Sapogenol. XLI. : Reinvestigation of the Structures of Soyasapogenols A, B, and E, Oleanene-Sapogenols from Soybean. Structures of Soyasaponins I, II, and III

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概要

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• A full account of the structure revision of soyasapogenols is presented. The structures of soyasapogenols A, B, and E have been confirmed to be expressed as 3β, 21β, 22β, 24-tetrahydroxy-olean-12-ene (1), 3β, β22β, 24-trihydroxyolean-12-ene (2), and 3β, 24-dihydroxyolean-12-en-22-one (5), respectively, rather than the previously reported 3β, 21α, 22α, 24-tetrahydroxyolean-12-ene (1'), 3β, 21α, 24-trihydroxyolean-12-ene (2'), and 3β, 24-dihydroxyolean-12-en-21-one (5'). In consequence, the structures of soyasaponins I, II, and III are formulated as 3-O-[α-Lrhamnopyranosyl(1→2)-β-D-galactopyranosyl(1→2)-β-D-glucuronopyranosyl]soyasapogenol B (8), 3-O-[α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl(1→2)-β-D-glucuronopyranosyl]soyasapogenol B (9), and 3-O-[β-D-galactopyranosyl(1→2)-β-D-glucuronopyranosyl]soyasapogenol B (10), respectively.

• 公益社団法人日本薬学会の論文
• 1988-01-25

著者

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 谷山 登志男

  小城製薬研究所

• 谷山 登志男

  Kyoto Pharmaceutical Univ. Kyoto Jpn

• 谷山 登志男

  生薬品質集談会

• 吉川 雅之

  Faculty of Pharmaceutical Sciences, Osaka University

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 王 恵康

  Department Of Chinese Material Medica Shanghai College Of Traditional Chinese Medicine

• 谷山 登志男

  Faculty of Pharmaceutical Sciences, Osaka University

• 王 恵康

  Faculty of Pharmaceutical Sciences, Osaka University

• 谷山 登志男

  Faculty Of Pharmaceutical Sciences Osaka University

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