A conductometric study on the phenylglyoxylic acid-strychnine complex.
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概要
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In order to elucidate the mechanism by which phenylglyoxylic acid (PGA) is reduced electrochemically in the presence of strychnine (SC) to form mandelic acid (MA), which exhibits an optically active property, conductometric studies were carried out. The formation of a 1:1 complex between PGA (or MA) and SC was suggested from the results that equimolar mixture of PGA (or MA) and SC showed a maximum decrease of conductivity. Equilibrium constants of the 1:1 complex of PGA–SC or MA–SC were determined from the results of conductivity measurements at various temperatures. The thermodynamic data were calculated. Δ<I>H</I> and Δ<I>S</I> were found to be +22 kJ mol<SUP>−1</SUP> and +1.1×10<SUP>2</SUP> J K<SUP>−1</SUP> mol<SUP>−1</SUP> for both the PGA–SC complex and MA–SC complex.
- 公益社団法人 日本化学会の論文
著者
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Sakai Yasuzo
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Takahashi Fujio
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Sato Kenichi
Department Of Chemistry The University Of Tokyo
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Ito Ikuko
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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Sato Kenichi
Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University
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