Kinetics and Oxidation of Substituted Benzyl Alcohols by Phenyliodoso AcetateReportar como inadecuado




Kinetics and Oxidation of Substituted Benzyl Alcohols by Phenyliodoso Acetate - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

E-Journal of Chemistry - Volume 8 2011, Issue 1, Pages 264-268

Department of Chemistry, Queen Mary’s College, Chennai-600004, India

Received 5 May 2010; Accepted 18 July 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Oxidation of benzyl alcohol and some meta- and para- substituted alcohols by phenyliodoso acetate PIA in t-butyl alcohol–water medium 50:50 leads to the formation of corresponding benzaldehyde. The stoichiometry of the reaction was found to be 1:1. The reaction was first order each in substrate and oxidant concentrations. This reaction was studied at four different temperatures and the activation parameters were calculated. Correlation analysis was carried out using Taft’s and Swain’s dual substituent parameter DSP equation. The rate data of meta- compounds showed good correlation with F,R values, para-substituted benzyl alcohols showed good correlation with σIσR

A suitable mechanism has been proposed.





Autor: R. Girija and S. Aruna

Fuente: https://www.hindawi.com/



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