Triterpenoidal Saponins Acylated with Two Monoterpenic Acids from Gleditsia sinensis

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概要

• 論文の詳細を見る

• The isolation and characterization of three new oleanane-type triterpenoidal saponins, called gleditsiosides E-G, along with two known ones, from the anomalous fruits of Gleditsia sinensis LAM. are described. Their structural details were unambiguously determined by using a combination of modern NMR techniques, including distortionless enhancement by polarization transfer (DEPT), double-quantum filtered ^1H-^1H correlated spectroscopy (DQF-COSY), homonuclear hartmann-hahn (HOHAHA), ^1H-^<13>C heteronuclear correlation (HETCOR), heteronuclear multiple-bond connectivity (HMBC) and rotating-frame overhauser enhancement spectroscopy (ROESY) experiments as well as some chemical methods. The five bisdesmosidic triterpenoidal saponins consisting of the same sugar sequence were all acylated with two different or identical monoterpenic acids to the C-2 and C-3 positions of rhamnose moiety.

• 公益社団法人日本薬学会の論文
• 1999-03-15

著者

• Koike K

  Faculty Of Pharmaceutical Sciences Toho University

• Koike Kazuo

  Toho University School Of Pharmaceutical Sciences

• Guo D

  Peking Univ. Beijing Chn

• Guo Dean

  School Of Pharmaceutical Sciences And Modern Research Center For Traditional Chinese Medicine Peking

• Jia Zhonghua

  School Of Pharmaceutical Sciences Toho University

• NIKAIDO Tamotsu

  Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Toho University

• ZHANG Zhizhen

  Department of Pharmacognosy, School of Pharmaceutical Sciences, Toho University

• ZHENG Junhua

  School of Pharmaceutical Sciences, Beijing Medical University

• Jia Zhonghua

  Department Of Pharmacognosy School Of Pharmaceutical Sciences Toho University

• Koike Kazuo

  Department Of Mechanical Engineering Tohoku Gakuin University

• Koike Kazuo

  Department Of Geosciences Mining Engineering And Materials Processing Mining College Akita Universit

• Zheng J

  Peking Univ. Beijing Chn

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