Components of Ether-Insoluble Resin Glycoside (Rhamnoconvolvulin) from Rhizoma Jalapae Braziliensis

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概要

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• Alkaline hydrolysis of the ether-insoluble resin glycoside (convolvulin) fraction of the roots of Ipomoea operculata (GOMES) MART. (Convolvulaceae) afforded a glycosidic acid named operculinic acid H along with isovaleric, tiglic, and exogonic (3,6:6,9-diepoxydecanoic) acids. Operculinic acid H was characterized to be 3S, 12S-dihydroxyhexadecanoic acid 12-O-β-D-glucopyranosyl-(1→3)-O-α-L-rhamnopyranosyl-(1→2)-[O-β-D-glucopyranosyl-(1→3)]-O-β-D-glucopyranosyl-(1→2)-[O-α-L-rhamnopyranosyl-(1→6)]-O-β-D-glucopyranoside on the basis of spectroscopic data and chemical evidence. The absolute configuration of exogonic acid determined from the α-methoxy-α-trifluoromethylphenylacetic acid esters of the hydrogenolysis products revealed that exogonic acid exists as a mixture (ca. 1:1) of two epimers, (3S,6S,9R)- and (3S,6R,9R)-diepoxydecanoic acids.

• 公益社団法人日本薬学会の論文
• 2009-03-01

著者

• ONO Masateru

  School of Agriculture, Tokai University

• MIYAHARA Kazumoto

  Faculty of Pharmaceutical Sciences, Setsunan University

• Ono Masateru

  School Of Agriculture Tokai Univ.

• Kubo Hideo

  Faculty Of Pharmaceutical Sciences Setsunan University

• Ono Masateru

  School Of Agriculture Kyushu Tokai University

• NISHIOKA Hiroko

  Faculty of Pharmaceutical Sciences, Setsunan University

• FUKUSHIMA Tadashi

  Faculty of Pharmaceutical Sciences, Setsunan University

• KUNIMATSU Hiroko

  Faculty of Pharmaceutical Sciences, Setsunan University

• MINE Aiko

  Faculty of Pharmaceutical Sciences, Setsunan University

• Fukushima Tadashi

  Faculty Of Pharmaceutical Sciences Setsunan University

• Mine Aiko

  Faculty Of Pharmaceutical Sciences Setsunan University

• Kunimatsu Hiroko

  Faculty Of Pharmaceutical Sciences Setsunan University

• Miyahara Kazumoto

  Fac. Of Pharmaceutical Sciences Setsunan Univ.

• Miyahara Kazumoto

  Faculty Of Pharmaceutical Sciences Setsunan University

• Nishioka Hiroko

  Faculty Of Pharmaceutical Sciences Setsunan University

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