Kinetic Study of the Hydrolysis of Schiff Bases Derived from 2-Aminothiophenol

被引：21

作者：

Hassib, Hekmat B. ^{[1
]}

Abdel-Kader, Nora S. ^{[1
]}

Issa, Yousry M. ^{[1
]}

机构：

[1] Cairo Univ, Fac Sci, Dept Chem, Giza, Egypt

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2012年 / 41卷 / 11期

关键词：

Kinetic hydrolysis; Hydrolysis of thio Schiff bases; Hydrolysis rate; Thermodynamic parameters; pH rate profile; PYRIDOXAL; COMPLEXES; MECHANISM; ESTERS; RATES;

D O I：

10.1007/s10953-012-9920-6

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 kinetics of the hydrolysis of Schiff bases derived from 2-aminothiophenol have been studied in aqueous sodium hydroxide media containing 40 % (v/v) methanol in the temperature range 22-45 A degrees C. The Schiff base molecular structure-hydrolysis reactivity relationship has been investigated and discussed. Suitable reaction mechanisms have been suggested. From the effect of temperature on the rate constant, various activation parameters have been evaluated. The work has been extended to study the hydrolysis mechanism in buffer solutions of pH = 2-13 at 22 A degrees C for Schiff base I (H). A rate profile diagram of pH-rate constant has been proposed.

引用

页码：2036 / 2046

页数：11

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