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Metal-promoted hydrolysis of bis(p-nitrophenyl)phosphate by trivalent manganese complexes with Schiff base ligands in Gemini micellar solution
- Source :
-
Colloids & Surfaces A: Physicochemical & Engineering Aspects . Feb2008, Vol. 315 Issue 1-3, p103-109. 7p. - Publication Year :
- 2008
-
Abstract
- Abstract: Two crowned Schiff base manganese(III) complexes (MnL2Cl, L=L1, L2) were used to catalyze the hydrolysis of bis(p-nitrophenyl)phosphate (BNPP) in Gemini surfactants [bis(hexadecyldimethylammonium)hexane bromide (abbreviation 16-6-16, 2Br−)] solution. In comparison with the rate of BNPP spontaneous hydrolysis, a six orders of magnitude in rate enhancement was observed in /16-6-16 and /16-6-16 systems. Owing to the different structure, shows better activity than . Especially, the effects of three different micelles, i.e., 16-6-16 micelles, CTAB (hexadecyltrimethylammonium bromide) micelles, LSS (n-lauroooylsarcosine sodium) micelles, on the hydrolysis of BNPP catalyzed by were evaluated at pH7.50. Experimental observations clearly demonstrate that Gemini 16-6-16 micelle is the best one for BNPP hydrolysis among three kinds of micellar media. [Copyright &y& Elsevier]
- Subjects :
- *HYDROLYSIS
*MANGANESE
*SCHIFF bases
*CONDENSATION products (Chemistry)
Subjects
Details
- Language :
- English
- ISSN :
- 09277757
- Volume :
- 315
- Issue :
- 1-3
- Database :
- Academic Search Index
- Journal :
- Colloids & Surfaces A: Physicochemical & Engineering Aspects
- Publication Type :
- Academic Journal
- Accession number :
- 28072075
- Full Text :
- https://doi.org/10.1016/j.colsurfa.2007.07.018