Kinetics of synthesis of monomeric betaines in aqueous solutions

被引：2

作者：

Kazantsev, O. A. ^{[1
,2
]}

Baruta, D. S. ^{[2
]}

Kamorin, D. M. ^{[1
,2
]}

Shirshin, K. V. ^{[2
,3
]}

Shirshin, K. K. ^{[2
]}

Kolosov, E. S. ^{[2
]}

机构：

[1] Nizhnii Novgorod State Univ, Nizhnii Novgorod, Russia

[2] Alekseev Nizhny Novgorod State Tech Univ, Nizhnii Novgorod, Russia

[3] Kargin Res Inst Polymers, Dzerzhinsk, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

aqueous solutions; synthesis; monomeric betaines; concentration effect; equilibrium conversion; NUCLEOPHILIC REACTIONS; TERTIARY-AMINES; ACRYLAMIDE; ALKYLATION;

D O I：

10.1134/S0036024416040129

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：

In the nucleophilic addition of N-(3-dimethylaminopropyl)methacrylamide to acrylic acid (1 : 1) in aqueous solutions, forming monomeric beta-propiobetaine, the dependence of the initial rate on the starting reagent concentration was found to have a pronounced maximum (whose position does not depend on the temperature at 30-70A degrees D). In the case of the addition of N,N-dimethylaminoethyl methacrylate, the dependence was exponential. The dependences of equilibrium conversions on the starting reagent concentrations were of the same type and had a maximum for both systems. The detected concentration effects are related to the peculiarities of the pre-reaction association of the reagents.

引用

页码：943 / 948

页数：6

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