Steroid Saponins and Sapogenins of Underground Parts of Trillium kamtschaticum PALL. IV. Additional Oligoglycosides of 18-Norspirostane Derivatives and Other Steroidal Constituents

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概要

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• Three oligoglycosides of 18-norspirostane derivatives, Ty-2,Ty-3,and Ty-4,along with two steroidal compounds, Tm and Tj, were isolated from the underground parts of Trillium kamtschaticum PALL. These five compounds and two other compounds, Th and Tz acetate, which had been obtained previously but remained unidentified, were characterized as follows. Ty-2,mp 235-240°(dec.), [α]D-110° : deapio-trillenoside A (II) (named trillenoside B). Ty-3,mp 182-185°(dec.), [α]D-98.7° : 3,21-di-O-acetyl-24-epitrillenogenin 1-O-(2', 3', 4'-tri-O-acetyl-α-L-rha・pyr)-(1-2)-α-L-ara・pyranoside (IV) (epitrillenoside C-PA). Ty-4,mp 226-230°(dec.), [α]D-105°; 21-deoxytrillenoside A (VII) (deoxytrillenoside A). Tm, mp 326-329°(dec.), [α]D-99.4° : 24β-hydroxypennogenin (V). Tj, mp 205-212°(dec.), [α]D-66.5° : prototype compound (VIII) of pennogenin 3-O-β-chacotrioside. Th, mp 194-200°(dec.), [α]D-90° : prototype compound (IX) of pennogenin 3-O-α-L-rha・pyr-β-chacotrioside. Tz acetate : crude ecdysterone triacetate (X). This is the first report of the natural occurrence of these compounds, except for IX and X ; the occurrence of IV is particularly interesting. VIII and IX had been expected to coexist with the corresponding pennogenin glycosides.

• 社団法人日本薬学会の論文
• 1981-02-25

著者

• 野原 稔弘

  Faculty of Pharmaceutical Sciences, Kumamoto University

• 川崎 敏男

  Faculty of Pharmaceutical Sciences of Kyushu University

• 野原 稔弘

  Faculty Of Pharmaceutical Sciences Kyushu University

• 福田 直通

  Faculty of Pharmaceutical Sciences, Kyushu University

• 今村 成子

  Faculty of Pharmaceutical Sciences, Kyushu University

• 斉藤 英子

  Faculty of Pharmaceutical Sciences, Kyushu University

• 川崎 敏男

  九大薬

• 野原 稔弘

  Faculty Of Pharmaceutical Sciences Kumamoto University

• 川崎 敏男

  Faculty Of Pharmaceutical Sciences Setsunan University

• 川崎 敏男

  Faculty Of Pharmaceutical Sciences Kyushu University

• 川崎 敏夫

  Faculty Of Pharmaceutical Sciences Setsunan University

• 斉藤 英子

  Faculty Of Pharmaceutical Sciences Kyushu University

• 今村 成子

  Faculty Of Pharmaceutical Sciences Kyushu University

• 福田 直通

  第一薬科大学生薬学教室

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