Solvent effect on the formation and proton transfer equilibria in the 2,4,6-trichlorophenol-triethylamine system

被引:12
作者
Kuc, T [1 ]
Zeegers-Huyskens, T
Pawelka, Z
机构
[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland
[2] Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium
关键词
D O I
10.1016/S0167-7322(00)90009-6
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The formation constants and dipole moments of hydrogen-bonded complexes of 1:1 and 2:1 stoichiometry formed between 2,4,6-trichlorophenol and triethylamine are determined in various solvents. The solvent effect on formation and proton transfer equilibria is discussed in terms of continuum dielectric models and the Swain et al acidity (A) parameter of the solvent. The cooperative hydrogen-bonding effects of the second phenol molecule and the hydrogen-donating (electron-accepting) effect of the solvent molecules are demonstrated. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:147 / 158
页数:12
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