Hydrolysis of PNPP Catalyzed by the Dodecyliminodiacetate Nickel(II) Complexes

Abstract:

One novel dodecyliminodiacetate nickel(II) complexes were synthesized and characterized, and these complexes were used as mimic hydrolytic in catalytic hydrolysis of carboxylic ester (PNPP, p-nitrophenyl picolinate). The analysis of specific absorption spectra of the hydrolytic reaction systems indicated that the catalytic hydrolysis involved the key intermediates formed by PNPP with nickel(II) complexes. The kinetic parameter of PNPP catalytic hydrolysis has been calculated and the activation energy for the catalytic hydrolysis is 1.174 kJ•mol-1.

• Periodical: Advanced Materials Research (Volumes 634-638)
• Pages: 531-535
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.634-638.531
• Online since: January 2013
• Authors: Shen Xin Li, Wei Hu, Jian Zhang Li
• Keywords: Carboxylic Ester Hydrolysis, Catalytic Kinetics, Dodecyliminodiacetate Nickel(II) Complexe, Mimic Hydrolase

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