Enthalpic changes on mixing two couples of S- and R-enantiomers which contained amino groups at 298.15 K

被引:9
作者
Kimura, T. [1 ]
Khan, M. A. [1 ]
Kamiyama, T. [1 ]
机构
[1] Kinki Univ, Fac Sci & Technol, Dept Chem, Higashiosaka, Osaka 5778502, Japan
关键词
2-aminobutan-1-ol; 2-aminoheptane; 2-aminohexane; 2-anminononane; 2-aminooctane; chiral compound; 1-(4-chlorophenyl)ethylamine; enthalpy of mixing; 1-(4-fluorophenyl)-ethylamine; R- and S-enantiomers;
D O I
10.1007/s10973-006-7657-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
Enthalpies of mixing of R- and S-enantiomers of liquid chiral compounds such as 2-aminohexane, 2-aminoheptane, 2-aminooctane, 2-aminononane, 1-( 4-chlorophenyl)-ethylamine, 1-(4-fluorophenyl) ethylamine, 2-amino-butane- 1-ol have been measured over the whole range of mole fractions at 298.15 K. Mixing of heterochiral liquids observed, realized enthalpic destabilization over entire compositions. The extreme values of enthalpies of mixing and the intermolecular interaction obtained by the molecular mechanics calculations showed a linear correlation, except the few compounds measured.
引用
收藏
页码:575 / 580
页数:6
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