Phosphate diester hydrolysis by dinuclear Tb(III) complexes with BDBPH in second-order dependence

被引：0
|
作者：
Shangguan, GQ [1 ]
Zhu, J
Wang, N
Ni, JZ
机构：
[1] Jining Med Coll, Dept Chem, Jining 272013, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2006年 / 17卷 / 01期
关键词：
Tb(III)-BDBPH; phosphate diester; hydrolysis; rate constant;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The kinetic study on the hydrolysis reaction of bis(4-nitrophenyl) phosphate (BNPP) catalyzed by Tb-BDBPH system(2:1) was carried out in 50% ethanol solution (pH 7.0-10.0) at 35 degrees C with 1=0.10NaNO(3). The second-order rate constant k(BNPP), 2.3x 10(-3) (mol(-1)L S-1), was determined. The dinuclear monohydroxo species, L-2Tb-OH, is kinetically mainly active species. The hydrolysis rate of BNPP by the complex is increased almost 2.6 million-fold compared with the background hydroxide rate at the same condition.
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页码：89 / 92
页数：4
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