Catalytic effects of cationic nanoparticle (CTABr/NaX/H2O, X = Cl, Br) for the piperidinolysis of phenyl salicylate ions


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The expression of pseudo-second-order rate constants (kX) for cationic nanoparticle (CN) [CTABr/NaX/H2O, X = Br, Cl, CTABr = cetyltrimethylammonium bromide] catalyzed piperidinolysis-ionized phenyl salicylate (PSa), at constant [CTABr]T, 0.1 M piperidine (Pip), and 35°C, were calculated from the relationship: kobs = (k0 + kX[NaX])/(1 + KX/S[NaX]), in which k0, kX, and KX/S are constant kinetic parameters and kobs represents the pseudo-first-order rate constant for Pip reaction with phenyl salicylate ion in the presence of CN. The source of the large catalytic effect of CN catalyst was shown to be due to the transfer of PSa from pseudo-phase of the CNs to the bulk aqueous phase through X/PSa ion exchange at the surface of the CNs.

Sobre autores

Khalisanni Khalid

Department of Chemistry, Faculty of Science; Agri-Nanotechnology Program, Biotechnology and Nanotechnology Research Centre

Autor responsável pela correspondência
Email: typhloids@gmail.com
Malásia, Kuala Lumpur, 50603; Serdang, Selangor, 43400

Sharifuddin Zain

Department of Chemistry, Faculty of Science

Email: typhloids@gmail.com
Malásia, Kuala Lumpur, 50603

M. Khan

Department of Chemistry, Faculty of Science

Email: typhloids@gmail.com
Malásia, Kuala Lumpur, 50603

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