Enhanced Hydrolysis of p-Nitrophenyl Picolinate by Schiff Base Mn(III) Complexes in Gemini 16-6-16 Micelles

被引：10
|
作者：
Xu, Bin [1 ]
Jiang, Weidong [1 ]
Li, Jianzhang [1 ]
Lin, Qi [2 ]
Liu, Fuan [1 ]
机构：
[1] Sichuan Univ Sci & Engn, Dept Chem, Key Lab Green Chem & Technol, Sichuan Zigong 643000, Peoples R China
[2] Minjiang Univ, Dept Chem & Chem Engn, Fujian Fuzhou, Peoples R China
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2008年 / 29卷 / 09期
关键词：
Gemini surfactant; hydrolysis; PNPP; Schiff base Mn(III) complexes; structural differences;
D O I：
10.1080/01932690701866781
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：
Hydrolysis of p-nitrophenyl picolinate (PNPP) catalyzed by three Schiff base Mn(III) complexes (MnL2Cl) were investigated in Gemini 16-6-16 micelle media. MnL21 Cl/16 - 6 - 16, MnL22 Cl/16 - 6 - 16 and MnL23 Cl/16 - 6 - 16 systems give 835-, 969-, and 1931-fold rate enhancements in the hydrolysis of PNPP under the comparable conditions, respectively. Moreover, Effects of varied micelles on the reactivity of PNPP hydrolysis were especially studied. The results obtained indicate that rates of hydrolysis of PNPP are approximately 1.5- and 4-fold larger in Gemini 16-6-16 micelles than in CTAB micelles and Brij35 micelles, respectively. Effects of ligand structure on the activities of these three complexes are discussed in detail.
引用
收藏
页码：1319 / 1324
页数：6
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