Studies of the Substituent Effect on the Stability Constants of Bis(2-hydroxy-4 or 5-substituted acetophenonato)copper(II)

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概要

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• The dissociation constants of eleven 2-hydroxy-4 or 5-substituted acetophenones were determined in a 22.5% water–dioxane-mixed solvent system at 25 and 40°C by potentiometric titration. They were then discussed in terms of the electronic effect of the substituents and the linear-free-energy relationship. The stability constants bis(2-hydroxy-4 or 5-substituted acetophenonato)copper(II) were also determined under the same experimental conditions; a linear relationship between the dissociation constants and the stability constants was obtained for bis(2-hydroxy-4 or 5-substituted acetophenonato)copper(II). No significant difference has been found in the effects of 4- and 5-substituted groups on the stability constants.

• 公益社団法人 日本化学会の論文

著者

• Yoshida Zen-ichi

  Department Of Applied Chemistry Faculty Of Science And Engineering Kinki University

• OGOSHI Hisanobu

  Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University

• OGOSHI Hisanobu

  Department of Chemistry, Faculty of Engineering, Technical University of Nagaoka

• Haruta Masami

  Research Laboratory for Chemical Fibers, Nitto Boseki Co., Ltd.

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