Kinetics and Mechanism ofmeso-Tetraphenylporphyrin Iron(III) Chloride Catalysed Oxidation of Indole-3-Acetic Acid by Peroxomonosulphate | Zendy

K. Durairaj | Zendy; Kulanthaivel Karunakaran | Zendy

Open Access

Kinetics and Mechanism ofmeso-Tetraphenylporphyrin Iron(III) Chloride Catalysed Oxidation of Indole-3-Acetic Acid by Peroxomonosulphate

Author(s) -

K. Durairaj,

Kulanthaivel Karunakaran

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.436

H-Index - 50

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2013/186168

Subject(s) - chemistry , kinetics , iron(iii) chloride , tetraphenylporphyrin , acetic acid , chloride , mechanism (biology) , indole test , indole 3 acetic acid , medicinal chemistry , organic chemistry , porphyrin , biochemistry , physics , quantum mechanics , philosophy , epistemology , auxin , gene

Mechanistic study on meso-tetraphenylporphyrin iron(III) chloride (TPP) catalysed oxidation of indole-3-acetic acid by peroxomonosulphate (oxone) in aqueous acetonitrile medium has been carried out. The reaction follows a first order with respect to both substrate and oxidant. The order with respect to catalyst was found to be fractional. The order of reaction with respect to catalyst varies with a concentration of catalyst. Increase in percentage of acetonitrile decreased the rate. The reaction fails to initiate polymerization, and a radical mechanism is ruled out. Activation and thermodynamic parameters have been computed. A suitable kinetic scheme based on these observations is proposed. Significant catalytic activity is observed for the reaction system in the presence of TPP

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