A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 3543-73-5, Name is Ethyl 4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate, molecular formula is C14H19N3O2. In an article, author is Jiang, Weidong,once mentioned of 3543-73-5, Quality Control of Ethyl 4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate.
Hydrolytic cleavage of p-nitrophenyl picolinate by mononuclear Zn(II) and Co(II) complexes with imidazole derivative in CTAB micellar solution
One new hydroxyl-functionalized imidazole derivative (L) was synthesized and characterized. Further, the related mononuclear zinc(II) and cobalt(II) complexes were prepared and used as mimic hydrolases to catalyze the hydrolytic cleavage of p-nitrophenyl picolinate (PNPP) in buffered aqueous solution and a micellar solution of cetyltrimethylammonium bromide (CTAB). Observations show that for all of catalytic systems, the hydrolysis of PNPP was pH-dependent in the pH range of 7.00-8.20. Besides, hydrolysis rates of PNPP displayed a constant increase with the increasing concentration of substrate. In the case of CoL-containing system, moreover, much greater acceleration for PNPP hydrolysis was observed in comparison with the ZnL-containing system. However, micellar effect of CTAB micelle aggregates on the PNPP hydrolysis was not obvious only showing 1.0 similar to aEuro parts per thousand 1.3 folds rate difference in contrast to buffered aqueous solution.
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