Partition constants of α-aminophosphonates in two-phase aqueous-organic solvent systems

被引：3
|
作者：
Garifzyanov, AR [1 ]
Nuriazdanova, GK [1 ]
Zakharov, SV [1 ]
Cherkasov, RA [1 ]
机构：
[1] Kazan VI Lenin State Univ, Kazan 420008, Tatarstan, Russia
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2004年 / 74卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1007/s11176-005-0112-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two-phase potentiometric titration was used to determine partition constants for a series of alpha-aminophosphonates (RO)(2)P(O)(CH2NRR2)-R-1 [R = Alk (C-2-C-5), R-1, R-2 = Me, Et, (CH2)(5)] between water and organic solvents, such as chloroform, carbon tetrachloride, toluene, octane, n-octanol, nitrobenzerie, o-xylene, and cyclohexane. Correlations between the partition constants and the number of carbon atoms in substrate molecules were obtained. Solvent effects on partition constants were discussed, and solution parameters of alpha-aminophosphonates were calculated.
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页码：1885 / 1889
页数：5
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