Soil Bacterial Hydrolysis leading to Genuine Aglycone. IV. Four Acylated Derivatives of Barringtogenol C from Jegosaponin

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概要

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• By virtue of the soil bacterial hydrolysis method applied on jegosaponin (the pericarps saponin of Styrax japonica SIEB. et ZUCC.), new four acylated derivatives of barringtogenol C have been isolated in addition to 21-O-tigloyl-barringtogenol C (I) and barringtogenol C (II). The newly isolated sapogenols have been elucidated respectively as 21-O-tigloyl-28-O-acetyl-barringtogenol C (VI), 21-O-tigloyl-22-O-acetyl-barringtogenol C (VIII), 28-O-acetyl-barringtogenol C (IX), and 21 (or 22)-O-2'-cis-hexenoyl-22 (or 21)-O-acetyl-barringtogenol C (X) on the basis of chemical and physicochemical evidences. Consequently, it has become evident that the tigloyl function initially found in I is a genuine form and the anhydro-structure (III or V) is excluded from the partial structure of jegosaponin.

• 公益社団法人日本薬学会の論文
• 1972-03-25

著者

• 吉岡 一郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 西条 成良

  田辺製薬有機化研

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 西条 成良

  Faculty of Pharmaceutical Sciences, Osaka University

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