Studies on the Proton Magnetic Resonance Spectra in Aliphatic Systems. VII. Stoichiometry of Lewis Base and Tris (Dipivalomethanato)-europium Complex in Solution
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概要
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The induced paramagnetic shifts between Eu (DPM)_3 and aliphatic amines or alcohols were measured to the stoichiometry, etc., with the following results. 1) The continuous variation and molar ratio methods showed a 1 : 1 stoichiometry between Lewis base and Eu (DPM)_3 complex in CCl_4 solution. 2) The shift parameters S_<0.01> and S_<1.0> corresponded well with each other, and the chemical shifts of equimolar mixtures were of the same magnitudes as S_<1.0>. 3) The chemical shift differences of the 1 : 1 mixture and free base at infinite dilution afforded linear relations between the slope 0.8 and S_<0.01>. 4) The induced paramagnetic shift parameters S_<0.01> do not represent the so-called bound chemical shift △B, but are measures of the equilibrium binding constants K_b of the 1 : 1 complex formed between Lewis base and Eu (DPM)_3.
- 公益社団法人日本薬学会の論文
- 1975-10-25
著者
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岡崎 雄交
Faculty of Pharmaceutical Sciences, Kinki University
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佐々木 喜男
Faculty of Pharmaceutical Sciences, Osaka University
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佐々木 喜男
Faculty Of Pharmaceutical Sciences Osaka University
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岡崎 雄交
近畿大 薬
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岡崎 雄交
Faculty Of Pharmaceutical Sciences Kinki University
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川木 秀子
近畿大 薬学総研
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