Hydrolysis of BNPP Catalyzed by Metallomicelles Made of Pr(III) Complexes |
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| Authors: | Shulan Cai Jianzhang Li Bin Xie Leijin He Xiaolan Zhang |
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| Institution: | 1. Institute of Functional Materials , Sichuan University of Science &2. Engineering , Zigong , Sichuan , P. R. China;3. University Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education , Zigong , Sichuan , P. R. China;4. University Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education , Zigong , Sichuan , P. R. China;5. Engineering , Zigong , Sichuan , P. R. China |
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| Abstract: | A macrocyclic ligand was synthesized and characterized. The kinetics of hydrolysis of bis(p-nitrophenyl)phosphate (BNPP) in the catalytic system containing macrocyclic ligand and praseodymium(III) was investigated. The analysis of specific absorption spectrums of the hydrolytic reaction systems indicated that key intermediates made up of BNPP and praseodymium(III) complexes are formed in the reaction process of BNPP catalytic hydrolysis. In this, the mechanism of BNPP catalytic hydrolysis proposed is based on the analytic result of specific absorption spectrum, and the corresponding kinetic constants are calculated. The results showed that the praseodymium(III) complexes as hydrolase mimics exhibit good catalytic activity and similar catalytic character to natural enzyme. |
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| Keywords: | Catalytic kinetics mimic hydrolase phosphate diesters praseodymium(III) |
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