Kinetic Study of the Hydrolysis of BNPP by the Cerium(III) Complex

被引：9
|
作者：
Huang, Chun [2 ]
Cai, Shulan [1 ]
Zou, Like [1 ,3 ]
Feng, Jianshen [1 ,3 ]
Xie, Jiaqing [1 ,3 ]
Xie, Bin [1 ,3 ]
机构：
[1] Sichuan Univ Sci & Engn, Inst Funct Mat, Zigong 643000, Peoples R China
[2] Sichuan Univ Sci & Engn, Coll Mat & Chem Engn, Zigong 643000, Peoples R China
[3] Sichuan Inst Higher Educ, Univ Key Lab Green Chem, Zigong, Sichuan, Peoples R China
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2012年 / 33卷 / 09期
关键词：
Cerium(III); hydrolysis kinetics; macrocyclic ligand; phosphate ester; PHOSPHATE DIESTER HYDROLYSIS; SCHIFF-BASE COMPLEX; DNA CLEAVAGE; DINUCLEAR; PHOSPHODIESTER; METALLOMICELLES; REACTIVITY; MICELLES; TRIESTER;
D O I：
10.1080/01932691.2011.605681
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：
5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetraazacyclotetradecane (L) was synthesized and characterized. The kinetics of hydrolysis of bis(p-nitrophenyl) phosphate (BNPP) in the catalytic system containing macrocyclic ligand and cerium(III) was investigated. This catalytic system show high catalytic activity and better reproducibility and stability than other similar systems in the range of pH of around 5.6-7.2. The stoichiometry and spectral analysis showed that the real active species is the macrocyclic complex of cerium(III). Based on the analytical results of the specific absorption spectra, an intramolecular nucleophilic substitution mechanism for the catalytic hydrolysis of BNPP is proposed, a correlative kinetic mathematical model is established, and the corresponding thermodynamic and kinetic constants are calculated.
引用
收藏
页码：1292 / 1296
页数：5
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