Studies on the Proton Magnetic Resonance Spectra of Aliphatic Systems. IX. Complex Shift and Equilibrium Constant of Association between Excess Amount of Aliphatic Alcohol and Tris (dipivalomethanato) europium
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概要
- 論文の詳細を見る
From the two step equilibria of the complex formation between the shift reagent Eu (DPM)_3 and a large excess of aliphatic alcohol, the two complex shifts Δ_1,Δ_2 and equilibrium constants K_1,K_2 are estimated. Δ_1 and K_1 are comparable with Δ_c and K_c obtained in an equimolar condition, and the magnitudes of K_2 are included within the errors of K_1. The infinite concentration shift Δ_<ic> obtained in the presence of a large excess of the donor is also comparable with Δ_1. These results suggest the role of the solvent molecule occupying an overwhelming majority in the sample solution, where the molecular interaction is a time-averaging 1 : 1 donor-acceptor collision in the nuclear magnetic resonance time scale.
- 社団法人日本薬学会の論文
- 1978-09-25
著者
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川木 秀子
Faculty of Pharmaceutical Sciences, Kinki University
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藤原 英明
大阪大 医
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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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川木 秀子
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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