Schefflerins A—G, New Triterpene Glucosides from the Leaves of Schefflera arboricola

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概要

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• From the 1-BuOH-soluble fraction of a MeOH extract of leaves of Schefflera arboricola, collected in Okinawa, six new lupane glucosides, named schefflerins A—F (1—6) and one new dammarane glucoside, named schefflerin G (7), were isolated together with three known compounds, citroside A (8), and oleanane saponins, oleanolic acid (9) and echinocystic acid (10) 3-O-α-L-rhamnopyranosyl(1→4′)-O-β-D-glucuronopynosides. Their structures were elucidated through a combination of spectroscopic analyses and the structure of schefflerin F (6) was determined by X-ray crystallographic method using SPring-8 synchrotron radiation.

著者

• Matsunaga Keiji

  Graduate School Of Pharmaceutical Sciences Kyoto University

• Matsunami Katsuyoshi

  Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University

• Otsuka Hideaki

  Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University

• Takeda Yoshio

  Faculty of Pharmacy, Yasuda Womens University

• YAMAGUCHI Kentaro

  Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunnri University

• Shinzato Takakazu

  Subtropical Field Science Center, Faculty of Agriculture, University of the Ryukyus

• KAWAHATA Masatoshi

  Faculity of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University

• Otsuka Hideaki

  Division Of Medicinal Chemistry Graduate School Of Biochemical Sciences Hiroshima University

• Otsuka Hideaki

  Department Of Pharmacognosy Graduate School Biomedical Sciences Hiroshima University

• ZHAO Zhimin

  Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University

• Yamaguchi Kentaro

  Faculity Of Pharmaceutical Sciences At Kagawa Campus Tokushima Bunri University

• Kawahata Masatoshi

  Fac. Of Pharmaceutical Sciences Tokushima Bunri Univ. Kagawa Campus

• Kawahata Masatoshi

  Faculity Of Pharmaceutical Sciences At Kagawa Campus Tokushima Bunri University

• Matsunaga Kazuhisa

  Faculty Of Pharmaceutical Sciences Fukuoka University

• Takeda Yoshio

  Faculty Of General Arts And Sciences The Tokushima University

• Matsunaga K

  Faculty Of Pharmaceutical Sciences Fukuoka University

• Otsuka H

  Hiroshima Univ. Hiroshima Jpn

• Matsunami Katsuyoshi

  Department Of Pharmacognosy Graduate School Biomedical Sciences Hiroshima University

• Matsunami Katsuyoshi

  Division Of Organ Transplantation Biomedical Research Center Osaka University Graduate School Of Med

• Shinzato Takakazu

  Subtropical Field Sci. Center Fac. Of Agriculture Univ. Of The Ryukyus

• Yamaguchi Kentaro

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Kagawa Campus

• Kawahata Masatoshi

  Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Kagawa Campus

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