Antisweet Natural Products. XIV Structures of Alternosides XI-XIX from Gymnema alternifolium

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概要

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• From the fresh roots of Gymnema alternifolium, nine new oleanane-type triterpenoid glycosides, named alternosides XI-XIX (1-9), were isolated, together with two artificial compounds 10 and 11,and two known compounds, sitakisosides X (12) and XVII (13). Their structures were determined on the basis of spectroscopic data and chemical evidence. Compounds 1-3 are 3-O-glycosides of chichipegenin having a tigloyl group at C-22,28 and 16,respectively. Compounds 4-7 are 3,28-bis-O-glycosides of chichipegenin having a tigloyl group at C-22. Compounds 8 and 9 are 3,28-bis-O-glycosides of longispinogenin. Compounds 1-7 having an acyl group showed antisweet activity.

• 公益社団法人日本薬学会の論文
• 1999-11-15

著者

• Takahashi K

  Faculty Of Pharmaceutical Sciences Hoshi University

• Takahashi K

  School Of Pharmaceutical Sciences Kitasato University

• YOSHIKAWA Kazuko

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• ARIHARA Shigenobu

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• MATSUCHIKA Koji

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• TAKAHASHI Kumiko

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University

• WANG Jen-Der

  Kabusikigaisha Nihon Yobou Igaku Kenkusyo

• Wang J‐d

  Kabushikigaisha Nihon Yobou Igaku Kenkyusyo

• Matsuchika Koji

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Chang H‐c

  Laboratories Of Foods And Drugs Department Of Health Executive Yuan

• CHANG Hsen-Chang

  Laboratories of Foods and Drugs, Department of Health, Executive Yuan

• Arihara S

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Chang Hsen-chang

  Laboratories Of Foods And Drugs Department Of Health Executive Yuan

• Wang Jen-der

  Kabushikigaisha Nihon Yobou Igaku Kenkyusyo

• Arihara Shigenobu

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Yoshikawa K

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Yoshikawa Kazuko

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

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