Saponin and Sapogenol. VI. Sapogenol Constituents of Leaves of Pittosporum tobira AIT.

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概要

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• The sapogenol constituents of leaves of Pittosporum tobira AIT. (Pittosporaceae) have been examined. On the basis of chemical and physicochemical evidences, three sapogenols obtained by acid hydrolysis of crude saponin have been shown to be R_1-barrigenol (II), 21β-angeloyloxy-3β, 15α, 16α, 22α, 28-pentahydroxyolean-12-ene (=21-O-angeloyl-R_1-barri-genol) (IV), 21β-angeloyloxy-3β, 16α, 22α, 28-tetrahydroxy-olean-12-ene (=21-O-angeloyl-barringtogenol C) (V) respectively. A_1-barrigenol (I) has not been detected in the total acid hydrolysate of saponin.

• 公益社団法人日本薬学会の論文
• 1972-07-25

著者

• 吉岡 一郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 松田 明子

  Faculty Of Pharmaceutical Sciences Osaka University

• 日野 克彦

  Research Laboratories, Dainippon Pharmaceutical Co., Ltd.,

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 日野 克彦

  Faculty of Pharmaceutical Sciences, Osaka University

• 日野 克彦

  Research Laboratories Dainippon Pharmaceutical Co. Ltd.

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