The reactivity of phosphonic esters in aqueous micellar solutions of cationic surfactants

被引：4
|
作者：
Shagidullina, RA [1 ]
Zakharova, LY [1 ]
Valeeva, FG [1 ]
Kudryavtseva, LA [1 ]
机构：
[1] Russian Acad Sci, Kazan Res Ctr, AE Arbuzov Organ & Phys Chem Inst, Kazan 420088, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2001年 / 50卷 / 07期
关键词：
micelles; cetyl-trimethylammonium bromide; kinetics; hydrolysis; substrate specificity; phosphonic esters;
D O I：
10.1023/A:1014034118296
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The micellar effect of cationic surfactants in alkaline hydrolysis of O-alkyl-O-aryl-chloromethyl phosphonates involves a positive contribution of concentrating the reagents and a negative effect of the micellar environment due to a loss in the activation entropy. The reactivity of substrates in micelles depends on both electronic and hydrophobic characteristics of substituents in the aryl group.
引用
收藏
页码：1181 / 1185
页数：5
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