不飽和ケトステロイドの硫酸中のNMRスペクトル
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概要
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4-エン-3-オン,4,6-ジエン-3-オン,4,6,8(14)-トリエン-3-オン構造を有する3種のアンドロスタン系不飽和ケトステロイドの硫酸中の挙動を吸収スペクトル法, (VI,λ_<max>=294nm) ,hydroxyalkadienyl cation (VII,λ_<max>=360nm) ,及びhydroxyalkatrienyl cation (VIIIa,VIIIb,λ_<max>=484 nm)として存在することが明らかとなった.又,VIIIa,VIIIbはVI,VIIと異なり,80%重硫酸中でビニルプロトンの重水素交換が進行すること,及びVIIIaにおいてのみ,80%以上の濃度の硫酸中で脱共役反応が進行することを示し,これらのcationの反応性の差と不飽和ケトステロイドのpK_<BH+>の間に良い対応関係があることを明らかにした.
- 社団法人日本分析化学会の論文
- 1981-04-05
著者
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木村 道也
北海道大学薬学部
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三浦 敏明
Faculty Of Pharmaceutical Sciences Hokkaido University
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木村 道也
Faculty of Pharmaceutical Sciences, Hokkaido University
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高木 英利
Faculty of Pharmaceutical Sciences, Hokkaido University
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高木 英利
Faculty Of Pharmaceutical Sciences Hokkaido University
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木村 道也
北海道大学医学部薬学科
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