Resveratrol Derivatives from Vatica albiramis
スポンサーリンク
概要
- 論文の詳細を見る
Three new stilbene derivatives, albiraminols A (1) (resveratrol hexamer), B (2) (resveratrol dimer), and vatalbinoside F (3) (mono-glucoside of resveratrol dimer), along with malibatol were isolated from acetone soluble portions of the stem of Vatica albiramis. The structures of the isolates were established on the basis of spectroscopic analyses, including a detailed NMR spectroscopic investigation. The biosynthetic aspects of the isolates are discussed in this paper. Compound 1 is composed of tetrameric resveratrol (vaticanol B (1A)) and dimeric resveratrol (1B) and is the first instance of the resveratrol derivative bearing a 5,6,11,12-tetrahydro-5,11-epoxydibenzo[a,e][8]annulene ring system. Compound 2 possesses a novel 4,5-dihydro-13-oxabenzo[3,4]azuleno[7,8,1-jkl]phenanthrene skeleton in the framework.
著者
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TAKAHASHI Yoshikazu
Institute for Super Materials, ULVAC Japan Ltd.
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SAWA Ryuichi
Institute of Microbiol Chemistry
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Abe Naohito
Laboratory of Pharmacognosy, Gifu Pharmaceutical University
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Ito Tetsuro
Laboratory of Pharmacognosy, Gifu Pharmaceutical University
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Oyama Masayoshi
Laboratory of Pharmacognosy, Gifu Pharmaceutical University
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Iinuma Munekazu
Laboratory of Pharmacognosy, Gifu Pharmaceutical University
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Ito T
Dep. Of Bioactive Molecules Pharmacognosy Gifu Pharmaceutical Univ.
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Sawa Ryuichi
Institute Of Microbial Chemistry
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Ohyama M
Cancer Prevenition Division National Cancer Center Research Instiute
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Takahashi Yoshikazu
Institute Of Microbial Chemistry
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Ito Tetsuro
Department Of Bioactive Molecutes Pharmacognosy Gifu Pharmaceutical University
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Ito T
Gifu Prefectrual Inst. Health And Environmental Sci. Kakamigahara Jpn
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Oyama Masayoshi
Laboratory Of Pharmacognosy Gifu Pharmaceutical University
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