The kinetics of oxidation of 1-octene and heptanal by 18-crown-6-ether-solubilized KMnO₄ in benzene and CH₂Cl₂ have been investigated. In benzene, the oxidation of 1-octene is first order with respect to the oxidant and zero order with respect to the substrate, whereas in CH₂Cl₂ the reaction is first order with respect to both substrate and oxidant. The reaction of heptanal followed different kinetics being first order with respect to both substrate and oxidant, regardless of whether benzene or CH₂Cl₂ was employed as the solvent. The values of activation energy E _a, standard enthalpy ΔH ^*, standard entropy change ΔS ^*, and standard free energy ΔG ^*, for the reaction, are reported. Mechanistic pathways for the studied reactions are also proposed.

Title

Transition Metal Chemistry March 2002, Volume 27, Issue 2, pp 223-227

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Publisher Country

Palestine

Publication Type

Both (Printed and Online)

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Year

2002

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