The effects of cetylpyridinium bromide micelles on the kinetics of alkaline hydrolysis of alkyl p-nitrophenyl chloromethylphosphonate

被引：0

作者：

Shagidullina, RA ^{[1
]}

Zakharova, LY ^{[1
]}

Kudryavtseva, LA ^{[1
]}

机构：

[1] Russian Acad Sci, AE Arbuzov Organ & Phys Chem Inst, Kazan Res Ctr, Kazan 420088, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 1999年 / 48卷 / 02期

关键词：

kinetics; hydrolysis; phosphonates; micellar catalysis; hydrophobic effect; binding constant;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Study of the kinetics of alkaline hydrolysis of alkyl p-nitrophenyl chloromethylphosphonates in micellar solutions of cetylpyridinium bromide showed that the observed rate constant depends an the hydrophobicity of the substrates. A minor increase in the length of the alkyl chain in the substituent increases the catalytic effect in the series Et < Bu < C6H13. Further increase in the substrate hydrophobicity results in a decrease in the bimolecular rate constant in the micellar phase.

引用

页码：278 / 281

页数：4

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