Hydrolysis kinetics of p-nitrophenylpicolinate catalyzed by schiff base Mn(III) complexes in Gemini 16-2-16 micellar solutiony-Reference-Cited by-同舟云学术

Hydrolysis kinetics of p-nitrophenylpicolinate catalyzed by schiff base Mn(III) complexes in Gemini 16-2-16 micellar solutiony

Published:2009-09-01 Issue:3 Volume:7 Page:542-549
ISSN:2391-5420
Container-title:Open Chemistry
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Author:

Xu Bin¹,Jiang Weidong¹,Zhang Jin²,Fan Guangyin³,Li Jianzhang¹

Affiliation:

1. 1Key Laboratory of Green Chemistry & Technology, School of Chemistry and Pharmaceutical Engineering, Sichuan University of Science & Engineering, Sichuan Zigong, 643000, China

2. 2Department of Chemistry and Environment Science, Chongqing University of Arts and Science, Chongqing Yongchuan, 402160, China

3. 3College of Chemistry and Chemical Engineering, West China Normal University, Sichuan Nanchong, 637002, China

Abstract

AbstractTwo mono-Schiff base Mn(III) complexes (MnL2Cl, L=L1 and L2) were synthesized and employed as artificial hydrolases in catalyzing the hydrolysis of p-nitrophenylpicolinate (PNPP) in Gemini 16-2-16 micellar solution. The effect of different micelles and their complex structures on the catalytic hydrolysis of PNPP is discussed in detail. The observations showed that MnL 22Cl exhibited higher catalytic activity over MnL 12Cl under a comparable condition, which confirmed that an open active centre is essential for modulating the activities of the two enzyme mimics. Moreover, under the conditions employed, hydrolytic rates of PNPP induced by these Mn(III) complexes were faster in Gemini 16-2-16 micelles than that in the micellar solution of cetyltrimethylammonium bromide (CTAB), a conventional analogue of Gemini 16-2-16.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,General Chemistry

Link

http://link.springer.com/content/pdf/10.2478/s11532-009-0043-x.pdf

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