2014; Chemical and Biological Sciences 48 (1 (233): 15–19
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CATALYTIC ACTIVITY OF COBALT(II) ION AND ISOLEUCINE COMPLEX ON DECAY OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION

M.G. Harutyunyan*

Received: 2025-03-12 · Published: 2014-03-17

© 2014 The Author(s) and the original publisher.

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Original title
CATALYTIC ACTIVITY OF COBALT(II) ION AND ISOLEUCINE COMPLEX ON DECAY OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION
Author
M.G. Harutyunyan
Published
2014-03-17
Licence
as stated by the publisher

Abstract

Formation of complex between cobalt ion (Co2+) and isoleucine (Ile) with composition 1:1, which reveals itself as a model catalyst for decay of cumene hydroperoxide (ROOH) in the studied Co2++Ile+ROOH+H2O system, has been established by kinetic method. The kinetic equation of rate of catalytic decay of ROOH under the action of [Cо∙Ile]+ complex catalyst has been derived: W0 = –d[ROOH]0/dt = Kcat [Cо2+]0[Ile]0[ROOH]0 = Keff[ROOH]0. Temperature dependence of the effective rate constant (Keff=Kcat[Cо2+]0[Ile]0) of decay of ROOH in the interval 323–353 K is expressed by Arrhenius equation (Eeff in kJ/mol): Keff = (2.50±0.02)108 exp[–67.0 ± 0.3/RT] min-1.
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