Studies on the Reduction of 2, 6-Dichlorophenolindophenol by 6-Substituted 3-Hydroxy-4-Pyrones, Using a Stopped-flow Method
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概要
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The reduction of 2, 6-dichlorophenolindophenol (DCIP) by 6-substituted 3-hydroxy-4-pyrones was studied in the pHrange of 3.0 to 7.8, using a stopped-flow apparatus. 1) Kinetic characteristics of 6-substituted 3-hydroxy-4-pyronesare shownas the apparent firstorder rate constant, kapp, or the second-order rate constant, k. The plot of log k against pHwas different from those obtained for the reactions of L-ascorbic acid and triose reductone with DCIP. 2) The log (k/kH) of 6-substituted 3-hydroxy-4-pyrone solutions at acidic pHs have been correlated with Δδc-3 values for 3-hydroxy-4-pyrone.
- 社団法人 日本農芸化学会の論文
著者
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Tokuyama Tai
Department Of Biotechnology Faculty Of Engineering Kansai University
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Obata Hitoshi
Department Of Agricultural Chemistry Faculty Of Bioresources Mie University Department Of Biotechnol
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FUJIWARA Nobuki
Department of Chemistry, Faculty of Engineering, Kansai University
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TANISHITA Jun-ichi
Department of Chemistry, Faculty of Engineering, Kansai University
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