Supramolecular catalytic systems based on anionic amphiphiles and polyethyleneimine for hydrolytic cleavage of phosphorus ester bonds

被引:5
|
作者
Zakharova, L. Ya. [1 ]
Valeeva, F. G. [1 ]
Ibragimova, A. R. [1 ]
Voronin, M. A. [1 ,2 ]
Kudryavtseva, L. A. [1 ]
Syakaev, V. V. [1 ]
Kazakova, E. Kh. [1 ]
Morozova, Yu. E. [1 ]
Makarova, N. A. [1 ]
Mel'nikova, N. B. [3 ]
Zemnyakova, O. E. [3 ]
Konovalov, A. I. [1 ]
机构
[1] Russian Acad Sci, AE Arbuzov Organ & Phys Chem Inst, Kazan Res Ctr, Kazan 420088, Russia
[2] Kazan State Technol Univ, Kazan 420015, Russia
[3] Nizhny Novgorod State Med Acad, Nizhnii Novgorod 603600, Russia
基金
俄罗斯基础研究基金会;
关键词
amphipilic sulfonatocalix[4]resorcinarenes; polyethyleneimine; lanthanum ions; self-organization; esters of phosphorus acids; hydrolysis; kinetics; supramolecular catalysis;
D O I
10.1007/s11172-008-0057-0
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Self-organization in individual and binary systems based on polyethyleneimine (PEI) and amphiphilic sulfonatocalix[4]resorcinarene was studied by conductometry, tensiometry, dynamic light scattering, and H-1 NMR spectroscopy. The critical concentrations of micelle formation and aggregate sizes were determined. The enhancement of the catalytic effect on the hydrolysis of O-ethyl O-p-nitrophenyl chloromethylphosphonate was shown in the following series of the systems: PEI-water < PEI-calixarene-water < PEI-calixarene-La-III-water.
引用
收藏
页码:374 / 382
页数:9
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