Chemical Studies on the Constituents of Polygonum nodosum
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概要
- 論文の詳細を見る
A new cyclobutane derivative, which may be formed from dehydrokawain by [2+2] cycloaddition, named compound B (8a), mp 226-227℃, C_<28>H_<24>O_6,and a new flavanonol, named compound C (10a), mp 142-143℃, C_<17>H_<14>O_6,together with pinobanksin (1a), taxifolin (2a), quercetin-3β-D-glucopyranoside 2"-gallate (3), pinosylvin (4a), methyl gallate (5a), dehydrokawain (6) and compound A (7a) were isolated from Polygonum nodosum (Polygonaceae). The structures of the new compounds, 8a and 10a, were established to be rel-1,trans-3-bis-(4-methoxy-2-oxopyran-6-yl)-cis-2,trans-4-diphenyl cyclobutane and (2R, 3R)-3-hydroxy-5-methoxy-6,7-methylenedioxy-flavanone, respectively, on the basis of physicochemical evidence. The structure of 7a was also established to be rel-(1R, 6S, 7S, 8S)-5-methoxy-7-phenyl-8-(4-methoxy-2-oxopyran-6-yl)-1-(E) styryl-2-oxabicyclo-[4,2,0]-oct-4-en-3-one and this compound was found to be identical with aniba-dimer-A.
- 公益社団法人日本薬学会の論文
- 1982-05-25
著者
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黒柳 正典
静岡県大・薬
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野呂 忠敬
School Of Pharmaceutical Sciences University Of Shizuoka
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山本 容子
Shiruoka College Of Pharmacy
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黒柳 正典
Shiruoka College of Pharmacy
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福島 清吾
Shiruoka College of Pharmacy
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上野 明
Shiruoka College of Pharmacy
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野呂 忠敬
Shiruoka College of Pharmacy
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宮瀬 敏男
Shiruoka College of Pharmacy
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