Soil Bacterial Hydrolysis leading to Genuine Aglycone. X. On the Structure of a Genuine Sapogenol of Meteogenin, an A-Ring Aromatized Spirostanol from Metanarthecium luteo-viride MAXIM.

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概要

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• By using the soil bacterial hydrolysis method for a glycoside mixture isolated from the subterranean part of Metanarthecium luteo-viride MAXIM. (Liliaceae), a mixture of prosapogenols has been isolated. Purification of the mixture by repeated chromatography and acetylation, a prosapogenol has been isolated as its peracetate. On the basis of chemical and physicochemical evidence, the structure of the peracetate has been established as a pentaacetate of 11-α-L-arabinopyranosyloxy-2β, 3β-dihydroxy-25R-spirost-4-ene (=11-O-α-L-arabinopyranosyl-protometeogenin) (8a) and it has been shown that protometeogenin is a genuine sapogenol of meteogenin (3) which is one of nine spirostane-type sapogenols hitherto isolated from the titled plant and is characterized by having an A-ring aromatized spirostanol skeleton.

• 社団法人日本薬学会の論文
• 1977-09-25

著者

• 吉岡 一郎

  Tsumura Laboratory

• 吉岡 一郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 中西 勤

  Faculty of Pharmaceutical Sciences, Setsunan University

• 中西 勤

  Faculty Of Pharmaceutical Sciences Osaka University

• 森井 良伸

  Faculty of Pharmaceutical Sciences, Osaka University

• 中西 勤

  大阪大学薬学部

• 森井 良伸

  Faculty Of Pharmaceutical Sciences Osaka University:(present Address)fujisawa Pharm. Co.

• 中西 勤

  Faculty of Pharmaceutical Sciences, Osaka University

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