Indonesian Medicinal Plants. V. Chemical Structures of Calotroposides C, D, E, F, and G, Five Additional New Oxypregnane-Oligoglycosides from the Root of Calotropis gigantea (Asclepiadaceae)

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概要

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• Following the chemical characterization of calotroposides A (1) and B (2), five related oxypregnane-oligoglycosides named calotroposides C (3), D (4), E (5), F (6), and G (7) have benn additionally isolated from the root of Calotropis gigantea (Asclepiadaceae), an Indonesian medicinal plant. The chemical structures of the new calotroposides have been elucidated on the basis of chemical and physicochemical properties as 12-O-benzoyldeacetylmetaplexigenin 3-O-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-cymaropyranosyl(1→4)-β-D-cymaropyranoside for 3,12-O-benzoyllineolon 3-O-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-cymaropyranosyl(1→4)-β-D-cymaropyranoside for 4,12-O-benzoyldeacetylmetaplexigenin 3-O-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-cymaropyranosyl(1→4)-β-D-cymaropyranoside for 5,12-O-benzoyllineolon 3-O-β-D-oleandropyranosyl(1→4)-β-D-oleandropyranosyl(1→4)-β-D-cymaropyranosyl(1→4)-β-D-cymaropyranoside for 6,and 12-O-benzoyllineolon 3-O-β-D-oleandropyranosyl(1→4)-β-D-cymaropyranosyl(1→4)-β-D-cymaropyranoside for 7.

• 社団法人日本薬学会の論文
• 1992-10-25

著者

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 渋谷 博孝

  Faculty of Pharmaceutical Sciences, Osaka University

• 白 南仁

  大阪大学薬学部

• Baek N

  Faculty Of Pharmaceutical Sciences Osaka University

• 吉川 雅之

  Faculty of Pharmaceutical Sciences, Osaka University

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 張 如松

  Faculty of Pharmaceutical Sciences, Osaka University

• 張 如松

  大阪大学薬学部

• 武田 泰幸

  大阪大学薬学部

• 朴 鐘大

  Faculty of Pharmaceutical Sciences, Osaka University

• 白 南仁

  Faculty of Pharmaceutical Sciences, Osaka University

• 武田 泰幸

  Faculty of Pharmaceutical Sciences, Osaka University

• 朴 鐘大

  Faculty Of Pharmaceutical Sciences Osaka University

• Baek N

  Osaka Univ. Osaka Jpn

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