Studies on the Agalwood (Jinko). VII. : Structures of Phenylethyl-chromone Derivatives AH_7,AH_8 and AH_9

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概要

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• Three new phenylethylchromone derivatives, tentatively named AH_7,AH_8 and AH_9,were isolated from acetone and pyridine extracts of agalwood (jinko) from Kalimantan. AH_7 from the pyridine extract was characterized as 5,8-dihydroxy-2-(2-phenylethyl)chromone, and AH_8 from the acetone extract was elucidated to be 6,7-dimethoxy-2-[2-(4-methoxyphenyl)chromone. AH_9,acetylated in order to separate it from the mixture, was concluded to be (5S, 6S, 7R)-5a', 6a, 7a-triacetoxy-2-[2-(2-acetoxyphenyl)ethyl]-5,6,7,8,8-pentahydrochromone on the basis of the proton nuclear magnetic resonance (^1H-NMR) spectrum, dihedral angle and circular dichroism (CD) spectral data.

• 公益社団法人日本薬学会の論文
• 1988-07-25

著者

• 川崎 敏男

  Faculty of Pharmaceutical Sciences of Kyushu University

• 小西 天二

  京都薬科大学

• 宮原 一元

  Faculty of Pharmaceutical Sciences, Setsunan University

• 川崎 敏男

  九大薬

• 清沢 脩

  Kyoto College of Pharmacy

• 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

• 宮原 一元

  Faculty Of Pharmaceutical Sciences Setsunan University

• 小西 天二

  Kyoto Pharmaceutical University

• 岩越 淳

  Kyoto Pharmaceutical University

• 嶋田 康男

  Mituboshi Seiyaku Company

• 清沢 修

  Kyoto Pharmaceutical University

• 岩越 淳

  京都薬科大学

• 嶋田 康男

  三星製薬株式会社

• 嶋田 康男

  三星製薬

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